Search: 934 results found for "Natural Coagulation Factors"

Description:

Glycoprotein Ib Platelet Subunit Beta Human Recombinant

GPIBB, glycoprotein Ib platelet subunit beta, BDPLT1,GP-Ib beta, BS, CD42C ,GPIbbeta, Antigen CD42b-beta, GPIb-beta, GPIbB, Platelet glycoprotein Ib beta chain.

Product # :

PRO-2774

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Description

GP1BB Human Recombinant is a single, glycosylated, polypeptide chain (26-147 a.a) containing a total of 131 amino acids, having a molecular mass of 14.0 kDa. GP1BB is fused to a 6 amino acid His-tag at C-terminus and is purified by proprietary chromatographic techniques.

Source

HEK293 Cells.

Formulation

The GP1BB solution (0.25mg/ml) contains 10% Glycerol and Phosphate-Buffered Saline (pH 7.4).

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Synonyms
GPIBB, glycoprotein Ib platelet subunit beta, BDPLT1,GP-Ib beta, BS, CD42C ,GPIbbeta, Antigen CD42b-beta, GPIb-beta, GPIbB, Platelet glycoprotein Ib beta chain.
Physical Appearance
Sterile Filtered colorless solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
DGSCPAPCSC AGTLVDCGRR GLTWASLPTA FPVDTTELVL TGNNLTALPP GLLDALPALR TAHLGANPWR CDCRLVPLRA WLAGRPERAP YRDLRCVAPP ALRGRLLPYL AEDELRAACA PGPLCHHHHH H.
Background
Glycoprotein 1b beta (GP1BB) is a crucial component of the platelet glycoprotein Ib-IX-V complex, playing a pivotal role in platelet function and hemostasis. This research aims to explore the structure, function, and implications of GP1BB protein in platelet adhesion, aggregation, and the development of thrombotic disorders. Understanding the molecular mechanisms and regulatory roles of GP1BB can provide valuable insights into its potential as a therapeutic target for thrombotic diseases.
Structure and Expression of GP1BB Protein:
GP1BB is a transmembrane protein consisting of an extracellular domain, a single transmembrane region, and a short cytoplasmic tail. It is predominantly expressed on the surface of platelets, where it interacts with von Willebrand factor (VWF) and other components of the glycoprotein Ib-IX-V complex. GP1BB is crucial for mediating platelet adhesion to damaged endothelium and the formation of stable platelet aggregates at the site of injury.
GP1BB and Platelet Adhesion:
GP1BB interacts with VWF, which is exposed upon vascular injury. This interaction facilitates the initial attachment of platelets to the damaged endothelium. GP1BB also participates in the formation of high-affinity bonds between platelets and VWF, contributing to the stabilization of platelet adhesion and the initiation of platelet aggregation. Dysregulation of GP1BB-mediated platelet adhesion can lead to abnormal clot formation and thrombotic disorders.
Implications of GP1BB in Thrombotic Disorders:
Defects or mutations in the GP1BB gene can result in Bernard-Soulier syndrome (BSS), a rare inherited bleeding disorder characterized by giant platelets, thrombocytopenia, and impaired platelet adhesion. BSS patients often experience excessive bleeding and bruising due to defective GP1BB function. On the other hand, abnormal activation or overexpression of GP1BB has been associated with increased risk of thrombotic events, such as myocardial infarction and stroke.
Therapeutic Strategies Targeting GP1BB:
Given its crucial role in platelet function and thrombotic disorders, GP1BB represents a potential target for therapeutic interventions. Strategies aimed at modulating GP1BB expression or function have been explored. This includes the development of monoclonal antibodies or small molecule inhibitors that selectively target GP1BB and interfere with its interaction with VWF or other binding partners. Such approaches aim to prevent excessive platelet adhesion and aggregation, reducing the risk of thrombotic events.
Challenges and Future Directions:
While targeting GP1BB shows promise, several challenges need to be addressed. The development of specific inhibitors or modulators of GP1BB that do not interfere with its physiological functions is crucial. Additionally, understanding the complex interplay between GP1BB and other platelet receptors and signaling pathways is essential for the development of effective therapeutic strategies.
Conclusion:
The study of GP1BB protein provides valuable insights into its central role in platelet adhesion, aggregation, and thrombotic disorders. Understanding the molecular mechanisms and functional implications of GP1BB opens avenues for the development of targeted therapies for thrombotic diseases. Further research on GP1BB protein, its interactions, and its modulation in pathological conditions will contribute to the development of novel therapeutic interventions to mitigate the risk of thrombotic events and improve patient outcomes.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Kruppel-Like Factor 4 Human Recombinant, His Tag

Kruppel-Like Factor 4 (Gut), GKLF, EZF, Epithelial Zinc Finger Protein EZF, Gut-Enriched Krueppel-Like Factor, Endothelial Kruppel-Like Zinc Finger Protein, Krueppel-Like Factor 4, Krueppel-like factor 4, Epithelial zinc finger protein EZF, Gut-enriched krueppel-like factor.

Product # :

PRO-2186

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Description

KLF4 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 422 amino acids (11-395 a.a) and having a molecular mass of 44.2kDa. KLF4 is fused to a 37 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

E.coli.

Formulation

KLF4 protein solution (1mg/ml) containing 20mM Tris-HCl buffer (pH 8.0) and 10% glycerol.

Purity

Greater than 85% as determined by SDS-PAGE.

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Introduction
KLF4 is a transcription factor that performs as both an activator and repressor. KLF4 is expressed mainly in erythroid tissues and found mostly in gut. KLF4 is takes part in the differentiation of epithelial cells in addition to skeletal and kidney development.
Synonyms
Kruppel-Like Factor 4 (Gut), GKLF, EZF, Epithelial Zinc Finger Protein EZF, Gut-Enriched Krueppel-Like Factor, Endothelial Kruppel-Like Zinc Finger Protein, Krueppel-Like Factor 4, Krueppel-like factor 4, Epithelial zinc finger protein EZF, Gut-enriched krueppel-like factor.
Physical Appearance
Sterile Filtered colorless solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
MRGSHHHHHH GMASMTGGQQ MGRDLYDDDD KDRWGSMAVS DALLPSFSTF ASGPAGREKT LRQAGAPNNR WREELSHMKR LPPVLPGRPY DLAAATVATD LESGGAGAAC GGSNLAPLPR RETEEFNDLL DLDFILSNSL THPPESVAAT VSSSASASSS SSPSSSGPAS APSTCSFTYP IRAGNDPGVA PGGTGGGLLY GRESAPPPTA PFNLADINDV SPSGGFVAEL LRPELDPVYI PPQQPQPPGG GLMGKFVLKA SLSAPGSEYG SPSVISVSKG SPDGSHPVVV APYNGGPPRT CPKIKQEAVS SCTHLGAGPP LSNGHRPAAH DFPLGRQLPS RTTPTLGLEE VLSSRDCHPA LPLPPGFHPH PGPNYPSFLP DQMQPQVPPL HYQELMPPGS CMPEEPKPKR GRRSWPRKRT AT.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Vascular Endothelial Growth Factor Rat Recombinant

Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, MGC70609.

Product # :

CYT-392

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Description

Vascular Endothelial Growth Factor Rat Recombinant produced in E.Coli is a double, non-glycosylated, polypeptide chain containing 165 amino acids and having a molecular mass of 38,750 Dalton. The VEGF is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The protein was lyophilized from 10mM NaP, pH 7.5.

Purity

Greater than 97.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Biological Activity

Determined by the dose-dependent stimulation of the proliferation of human umbilical vein endothelial cells (HUVEC) using a concentration range of 4.0-8.0 ng/ml.

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Introduction
Vascular endothelial growth factor is an important signaling protein involved in both vasculogenesis and angiogenesis. As its name implies, VEGF activity has been mostly studied on cells of the vascular endothelium, although it does have effects on a number of other cell types (e.g. stimulation monocyte/ macrophagemigration, neurons, cancer cells, kidney epithelial cells ).VEGF mediates increased vascular permeability, induces angiogenesis, vasculogenesis and endothelial cell growth, promotes cell migration, and inhibits apoptosis. In vitro, VEGF has been shown to stimulate endothelial cell mitogenesisand cell migration. VEGF is also a vasodilator and increases microvascular permeability and was originally referred to as vascular permeability factor.
Elevated levels of this protein are linked to POEMS syndrome, also known as Crow-Fukase syndrome. Mutations in this gene have been associated with proliferative and nonproliferative diabetic retinopathy.
Synonyms
Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, MGC70609.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Vascular Endothelial Growth Factor although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution VEGF should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Vascular Endothelial Growth Factor in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
MAPTTEGEQK AHEVVKFMDV YQRSYCRPIE TLVDIFQEYP DEIEYIFKPS CVPLMRCAGC CNDEALECVP TSESNVTMQI MRIKPHQSQH IGEMSFLQHS RCECRPKKDR TKPEKHCEPC SERRKHLFVQ DPQTCKCSCK NTDSRCKARQ LELNERTCRC DKPRR.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Platelet Factor-4 Human Recombinant (CXCL4), His Tag

CXCL4, PF-4, PF4, Iroplact, Oncostatin-A, SCYB4, MGC138298.

Product # :

CHM-015

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Description

PF4 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 91 amino acids (32-101 a.a) and having a molecular mass of 10kDa.PF4 is fused to a 21 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

PF4 protein solution (0.25mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 0.2M NaCl, 50% glycerol and 2mM DTT.

Purity

Greater than 85.0% as determined by SDS-PAGE.

SDS-PAGE

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Introduction
Platelet factor-4 is a 70-amino acid protein that is released from the alpha-granules of activated platelets and binds with high affinity to heparin. Its major physiologic role appears to be neutralization of heparin-like molecules on the endothelial surface of blood vessels, thereby inhibiting local antithrombin III activity and promoting coagulation. As a strong chemoattractant for neutrophils and fibroblasts, PF4 probably has a role in inflammation and wound repair. Oncostatin-A is a member of the CXC chemokine family. Human PF4 is used for the proof of heparin-induced thrombocytopenia. Furthermore it is used as an inhibitor in the angiogenesis during tumor therapy.
Synonyms
CXCL4, PF-4, PF4, Iroplact, Oncostatin-A, SCYB4, MGC138298.
Physical Appearance
Sterile Filtered colorless clear solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please avoid freeze thaw cycles.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MEAEEDGDLQ CLCVKTTSQV RPRHITSLEV IKAGPHCPTA QLIATLKNGR KICLDLQAPL YKKIIKKLLE S.
Background
What is the molecular weight/Mw of CXCL4 HUMAN, HIS Protein?
CXCL4 HUMAN, HIS Protein has a total Mw of 10kDa.

What is the source or expression system of CXCL4 HUMAN, HIS Protein?
Escherichia Coli.

What is the Purity of CXCL4 HUMAN, HIS Protein?
CXCL4 HUMAN, HIS Protein is > 85% pure as determined by SDS-PAGE.

What is the Biological Activity of CXCL4 HUMAN, HIS Protein?
The biological functionality of CXCL4 HUMAN, HIS Protein will be determined in the future.

What is the amino acid sequence of CXCL4 HUMAN, HIS Protein?
MGSSHHHHHH SSGLVPRGSH MEAEEDGDLQ CLCVKTTSQV RPRHITSLEV IKAGPHCPTA QLIATLKNGR KICLDLQAPL YKKIIKKLLE S.

What applications can CXCL4 HUMAN, HIS Protein be used in?
CXCL4 HUMAN, HIS Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for CXCL4 HUMAN, HIS Protein?
The endotoxin level is minimal, CXCL4 HUMAN, HIS Protein was purified using conventional chromatography techniques.

Who supplies recombinant CXCL4 HUMAN, HIS that is in stock and available to order?
ProSpec has the protein in stock and available for immediate delivery.

Where can I order bulk mg quantities of CXCL4 HUMAN, HIS?
ProSpec supplies bulk mg quantities at affordable prices that meets research and academic budgets.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Visfatin Human Recombinant

PBEF, Pre-B cell colony-enhancing factor, Nicotinamide phosphoribosyltransferase NAmPRTase, Nampt, MGC117256, DKFZP666B131, 1110035O14Rik.

Product # :

CYT-318

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Description

Visfatin Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 466 amino acids. The total molecular mass is 52.6kDa (calculated). The Visfatin is purified by Flag-affinity chromatography.

Source

Escherichia Coli.

Formulation

Visfatin was lyophilized with no additives.

Purity

Greater than 90.0% as determined by SDS-PAGE.

Biological Activity

The activity is determined by its ability to induce IL-6, IL-1 beta and TNF alpha production from human PBMCs at 100ng/ml.

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Introduction
Excess adiposity is the most important risk in the development of type 2 diabetes mellitus (T2DM). Adipose tissue produces several proteins (adipocytokines) such as leptin, adiponectin, resistin, tumor necrosis factor-a, and IL-6, that modulate sensitivity and appear to play an important role in the pathogenesis, diabetes, dyslipidemia, inflammation, and atherosclerosis. Visfatin, also known as pre-B cell colony-enhancing factor (PBEF), is a cytokine that is highly expressed in visceral fat and was originally isolated as a secreted factor that synergizes with IL-7 and stem cell factors to promote the growth of B cell precursors. Visfatin homologs have been identified in carp, invertebrate mollusks, and bacteria, as well as in vertebrates, including humans and the mouse. It has been postulated to play a role in innate immunity.
Visfatin exerts mimetic effects that are dose-dependent and quantitatively similar to stimulating muscle and adipocyte glucose transport, and in inhibiting hepatocyte glucose production. Intravenous injection of recombinant visfatin in mice decreased plasma glucose in a dose-dependent fashion. In keeping with its mimetic effects, visfatin was as effective in reducing hyperglycemia in deficient diabetic mice. Visfatin was also found to be bound to and activate receptor, causing receptor phosphorylation and the activation of downstream signaling molecules. However, visfatin did not compete for binding to the receptor, indicating that the two proteins were recognized by different regions of the receptor. Thus, visfatin might play a role in glucose homeostasis and dysregulation in biosynthesis or signal transduction, and might contribute to the pathogenesis of diabetes.
Synonyms
PBEF, Pre-B cell colony-enhancing factor, Nicotinamide phosphoribosyltransferase NAmPRTase, Nampt, MGC117256, DKFZP666B131, 1110035O14Rik.
Physical Appearance
Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Visfatin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Visfatin should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Solubility
Centrifuge vial before opening. When reconstituting the product, gently pipet and wash down the sides of the vial to ensure full recovery of the protein into solution. It is recommended to reconstitute the lyophilized product with 20 mM HCl at a concentration of 0.1 mg/mL, which can be further diluted into other aqueous solutions. Wait several minutes for full reconstitution and solubility.
Amino Acid Sequence
MPPNTSKVYS YFECREKKTE NSKLRKVKYE ETVFYGLQYI LNKYLKGKVV TKEKIQEAKD VYKEHFQDDV FNEKGWNYIL EKYDGHLPIE IKAVPEGFVI PRGNVLFTVE NTDPECYWLT NWIETILVQS WYPITVATNS REQKKILAKY LLETSGNLDG LEYKLHDFGY RGVSSQETAG IGASAHLVNF KGTDTVAGLA LIKKYYGTKD PVPGYSVPAA EHSTITAWGK DHEKDAFEHI VTQFSSVPVS VVSDSYDIYN ACEKIWGEDL RHLIVSRSTQ APLIIRPDSG NPLDTVLKVL EILGKKFPVT ENSKGYKLLP PYLRVIQGDG VDINTLQEIV EGMKQKMWSI ENIAFGSGGG LLQKLTRDLL NCSFKCSYVV TNGLGINVFK DPVADPNKRS KKGRLSLHRT PAGNFVTLEE GKGDLEEYGQ DLLHTVFKNG KVTKSYSFDE IRKNAQLNIE LEAAHH.
Background
About Visfatin Human

Visfatin is a cytokine expressed in visceral fat that was originally isolated as a secreted
element that synergized with stem cell factors and IL-7. One of its main functions is to
enhance the development of B cell precursors.
The cytokine is also known as the “Pre-B Cell Colony-Enhancing Factor (PBEF).” It has been
identified in vertebrates, including mice and humans, and it’s being studied due to its link
to inflammatory conditions, beta cell function, and cardiovascular disease.

What’s the Function of Visfatin Human Recombinant?
Visfatin human recombinant is produced in E. Coli. It’s a single, non-glycosylated,
polypeptide chain that contains 466 amino acids, it’s purified by FLAG-affinity
chromatography, and it contains a total molecular mass of 52.6 kDa.

What Are the Main Applications of Visfatin Human Recombinant?
The cytokine is being researched because of its involvement in glucose homeostasis,
dysregulation in biosynthesis and signal transduction, and the pathogenesis of diabetes.
Visfatin human recombinant is tailored exclusively for laboratory research, ensuring
experts can get further answers regarding the cytokine’s involvement in different
processes, including pathogenesis, diabetes, inflammation, dyslipidemia, and
atherosclerosis.
Findings can also help during the identification of high-risk people for cardiovascular
disease and diabetes.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

TRAIL / APO2 Ligand Human Recombinant

Tumor necrosis factor ligand superfamily member 10, TNF-related apoptosis-inducing ligand, Protein TRAIL, Apo-2 ligand, Apo-2L, CD253 antigen, TL2, APO2L, TNFSF10.

Product # :

CYT-443

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Description

TRAIL/APO 2 Ligand Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 168 amino acids (Met+Arg115-Gly281) and having a molecular mass of ~21kDa. The sTRAIL is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

Lyophilized from a filtered (0.2µm) solution containing 20mM Tris-HCl pH 8.0 and 150mM NaCl.

Purity

Greater than 95.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Biological Activity

The activity is determined by the cytolysis of Murine L929 cells in the presence of Actinomycin D, ED₅₀ for this effect is less than 2ng/ml, corresponding to a specific activity of 5,000,000IU/mg.

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Introduction
TNF-related apoptosis-inducing ligand (TRAIL) is a ligand molecule which induces apoptosis. It is a type II transmembrane protein with homology to other members of the tumor necrosis factor family.
In humans, the gene that encodes for TRAIL is located at chromosome 3q26. TRAIL binds to the death receptors, DR4 and DR5. The process of apoptosis is caspase-8-dependent. This protein preferentially induces apoptosis in transformed and tumor cells, but does not appear to kill normal cells although it is expressed at a significant level in most normal tissues.
Synonyms
Tumor necrosis factor ligand superfamily member 10, TNF-related apoptosis-inducing ligand, Protein TRAIL, Apo-2 ligand, Apo-2L, CD253 antigen, TL2, APO2L, TNFSF10.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized APO 2 Ligand although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution TRAIL should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized TRAIL in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
MRERGPQRVA AHITGTRGRS NTLSSPNSKN EKALGRKINS WESSRSGHSF LSNLHLRNGE LVIHEKGFYY IYSQTYFRFQ EEIKENTKND KQMVQYIYKY TSYPDPILLM KSARNSCWSK DAEYGLYSIY QGGIFELKEN DRIFVSVTNE HLIDMDHEAS FFGAFLVG.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Tumor Necrosis Factor-Alpha Rhesus Macaque Recombinant

Tumor necrosis factor, Cachectin, TNF-alpha, Tumor necrosis factor ligand superfamily member 2, TNF-a, TNF, TNFA, TNFSF2.

Product # :

CYT-737

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Description

TNF-a Rhesus Macaque Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 157 amino acids and having a molecular mass of 17.3kDa.The TNFA Rhesus Macaque is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

Lyophilized from a 0.2µm filtered concentrated solution in PBS, pH 7.4 and 5% trehalose.

Purity

Greater than 97.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Biological Activity

The ED₅₀ as determined by a cytotoxicity assay using murine L929 cells is less than 0.05 ng/ml, corresponding to a specific activity of > 2.0 × 10⁷ IU/mg in the presence of actinomycin D.

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Introduction
Tumor necrosis factor is a cytokine involved in systemic inflammation and is a member of a group of cytokines that all stimulate the acute phase reaction. TNF is mainly secreted by macrophages.
TNF causes apoptotic cell death, cellular proliferation, differentiation, inflammation, tumorigenesis and viral replication, TNF is also involved in lipid metabolism, and coagulation. TNF's primary role is in the regulation of immune cells.
Dysregulation and, in particular, overproduction of TNF have been implicated in a variety of human diseases- autoimmune diseases, insulin resistance, and cancer.
Synonyms
Tumor necrosis factor, Cachectin, TNF-alpha, Tumor necrosis factor ligand superfamily member 2, TNF-a, TNF, TNFA, TNFSF2.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Tumor Necrosis Factor-a although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution TNF-a should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Tumor Necrosis Factor-alpha in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
VRSSSRTPSD KPVAHVVANP QAEGQLQWLN RRANALLANG VELTDNQLVV PSEGLYLIYS QVLFKGQGCP SNHVLLTHTI SRIAVSYQTK VNLLSAIKSP CQRETPEGAE AKPWYEPIYL GGVFQLEKGD RLSAEINLPD YLDFAESGQV YFGIIAL.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Peroxisomal Biogenesis Factor 19 Human Recombinant

Peroxisomal biogenesis factor 19, Peroxisomal farnesylated protein, HK33, 33kDa housekeeping protein, PXF, PMP1, PXMP1, Peroxin-19, D1S2223E, FLJ55296.

Product # :

PRO-925

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Description

PEX19 Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 316 amino acids (1-296) and having a molecular mass of 34.6 kDa.The PEX19 is fused to a 20 amino acid His-Tag at N-terminus and purified by proprietary chromatographic techniques.

Source

E.coli.

Formulation

The PEX19 solution (1mg/ml) contains 20mM Tris-HCl buffer (pH 8.0) and 10% glycerol.

Purity

Greater than 90% as determined by SDS-PAGE.

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Introduction
PEX19 is vital for peroxisome biogenesis in Saccharomyces cerevisiae. PEX19 is limited to the outer surface of peroxisomes in liver cells and is has a part in the early stage of peroxisome membrane assembly, prior to the import of matrix protein.
Synonyms
Peroxisomal biogenesis factor 19, Peroxisomal farnesylated protein, HK33, 33kDa housekeeping protein, PXF, PMP1, PXMP1, Peroxin-19, D1S2223E, FLJ55296.
Physical Appearance
Sterile Filtered colorless solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MAAAEEGCSV GAEADRELEE LLESALDDFD KAKPSPAPPS TTTAPDASGP QKRSPGDTAK DALFASQEKF FQELFDSELA SQATAEFEKA MKELAEEEPH LVEQFQKLSE AAGRVGSDMT SQQEFTSCLK ETLSGLAKNA TDLQNSSMSE EELTKAMEGL GMDEGDGEGN ILPIMQSIMQ NLLSKDVLYP SLKEITEKYP EWLQSHRESL PPEQFEKYQE QHSVMCKICE QFEAETPTDS ETTQKARFEM VLDLMQQLQD LGHPPKELAG EMPPGLNFDL DALNLSGPPG ASGEQC

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

D-Dimer Human

Product # :

PRO-2795

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Quantity :

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Shipped at Room temp

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Description

D-Dimer Human produced in Human Plasma is a specific degradation product of cross-linked fibrin and is used as a marker of hypercoagulation state that causes cardio-vascular diseases. D-Dimer is purified by proprietary chromatographic technique.

Source

Human plasma.

Formulation

D-Dimer was lyophilized from 10mM Tris-HCl and 0.15M NaCl.

Purity

Greater than 90.0% as determined by SDS-PAGE.

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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized D-Dimer although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution D-Dimer should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized D-Dimer in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Background
D-dimer, a small protein fragment present in the blood after a blood clot dissolves, is a vital marker in the realms of hematology and vascular medicine. Its presence signifies the ongoing process of fibrinolysis, where clots formed in blood vessels are broken down. Beyond its diagnostic significance, understanding the roles of D-dimer in human physiology and pathology is essential for comprehending coagulation disorders and cardiovascular diseases. This research delves into the multifaceted aspects of D-dimer, exploring its physiological functions, diagnostic applications, and implications in various medical conditions.
Physiological Functions:
In physiological conditions, coagulation and fibrinolysis are finely regulated processes, ensuring hemostasis and preventing excessive bleeding or clot formation. D-dimer is a natural byproduct of fibrinolysis, created when plasmin, an enzyme, breaks down fibrin clots. In this context, D-dimer acts as a marker of the body's intricate balance between clot formation and dissolution. It reflects the ongoing maintenance of vascular integrity, showcasing the body's ability to prevent unnecessary clotting.
Diagnostic Significance:
D-dimer holds significant diagnostic value, especially in the context of thrombotic disorders. Elevated levels of D-dimer in the blood are indicative of increased fibrinolysis, potentially signaling an underlying clotting disorder. Clinically, D-dimer assays are widely used to rule out thromboembolic events, such as deep vein thrombosis (DVT) or pulmonary embolism (PE). Moreover, D-dimer levels are crucial in risk stratification and decision-making processes in emergency departments, aiding in the timely diagnosis and treatment of thrombotic conditions.
Cardiovascular Implications:
Research has indicated a strong correlation between elevated D-dimer levels and cardiovascular diseases. In conditions like coronary artery disease (CAD) and stroke, where abnormal clot formation contributes to pathogenesis, D-dimer serves as a prognostic marker. Its presence hints at the ongoing vascular damage and the potential risk of acute events. Studying these correlations provides valuable insights into the progression of cardiovascular diseases, aiding in the development of targeted therapeutic strategies.
Beyond Coagulation Disorders:
Interestingly, recent research has begun to explore D-dimer's involvement in conditions beyond coagulation disorders. Studies suggest links between elevated D-dimer levels and inflammatory diseases, such as sepsis and rheumatoid arthritis. This expanding scope highlights the intricate interplay between coagulation, inflammation, and immune responses, shedding light on novel avenues for therapeutic interventions.
Conclusion:
D-dimer, once a simple marker of fibrinolysis, has evolved into a multifaceted indicator in the realm of medicine. Its physiological role as a byproduct of clot dissolution is intertwined with its diagnostic significance in thrombotic events and cardiovascular diseases. Furthermore, emerging research is uncovering its involvement in inflammatory processes, broadening its clinical implications. By delving into the complexities of D-dimer, scientists and clinicians pave the way for a deeper understanding of coagulation disorders and associated conditions, driving advancements in diagnostics and therapies.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Leukemia Inhibitory Factor Human Recombinant, His tag

CDF, HILDA, D-FACTOR, Differentiation- stimulating factor, Melanoma-derived LPL inhibitor, MLPLI, Emfilermin, Leukemia inhibitory factor, LIF, DIA.

Product # :

CYT-1082

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Quantity :

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Description

LIF Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain (a.a 23-202) containing 189 amino acids including a 9 a.a N-terminal His tag. The total molecular mass is 20.9kDa (calculated).

Source

Escherichia Coli.

Formulation

LIF filtered (0.4 µm) and lyophilized from 0.5mg/ml solution in 20 mM Tris buffer, 20 mM NaCl and 5% w/v trehalose, pH 7.5.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Introduction
Leukemia Inhibitory Factor also called LIF is a lymphoid factor that promotes long-term maintenance of embryonic stem cells by suppressing spontaneous differentiation. Leukemia Inhibitory Factor has several functions such as cholinergic neuron differentiation, control of stem cell pluripotency, bone & fat metabolism, mitogenesis of factor dependent cell lines & promotion of megakaryocyte production in vivo. Human and mouse LIF exhibit a 78% identity in its amino acid sequence.
Synonyms
CDF, HILDA, D-FACTOR, Differentiation- stimulating factor, Melanoma-derived LPL inhibitor, MLPLI, Emfilermin, Leukemia inhibitory factor, LIF, DIA.
Physical Appearance
Filtered White lyophilized (freeze-dried) powder.
Stability
Store lyophilized protein at -20°C. Aliquot the product after reconstitution to avoid repeated freezing/thawing cycles. Reconstituted protein can be stored at 4°C for a limited period of time; it does not show any change after two weeks at 4°C.
Solubility
It is recommended to add deionized water to prepare a working stock solution of approximately 0.5mg/ml and let the lyophilized pellet dissolve completely.
Amino Acid Sequence
MKHHHHHHAS PLPITPVNAT CAIRHPCHNN LMNQIRSQLA QLNGSANALF ILYYTAQGEP FPNNLDKLCG PNVTDFPPFH ANGTEKAKLV ELYRIVVYLG TSLGNITRDQ KILNPSALSL HSKLNATADI LRGLLSNVLC RLCSKYHVGH VDVTYGPDTS GKDVFQKKKL GCQLLGKYKQ IIAVLAQAF.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Heparin Sodium Porcine

Heparin, Porcine Heparin, Heparin Pig.

Product # :

PRO-2811

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Quantity :

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Description

Heparin Sodium Porcine is a natural native protein.

Source

Porcine Mucosa.

Formulation

The protein (1mg/ml) was lyophilized with no additives.

Biological Activity

200IU/mg.

More Info

Synonyms
Heparin, Porcine Heparin, Heparin Pig.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Heparin Sodium Porcine although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Heparin Sodium Porcine should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Heparin Sodium Porcine in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Background
Heparin sodium, a highly sulfated glycosaminoglycan, has long been recognized for its pivotal role as an anticoagulant. In porcine systems, the study of Heparin Sodium takes on significance not only for its therapeutic applications in veterinary medicine but also for its potential translational impact on human health. This research embarks on an exploration of Heparin Sodium in porcine contexts, unraveling its structural intricacies, pharmacological attributes, and broader implications for health and biomedical interventions. By delving into the properties of Heparin Sodium in porcine models, scientists aim to deepen our understanding of its anticoagulant mechanisms, therapeutic potential, and the potential avenues for cross-species applications in healthcare.
Structural Insights into Porcine Heparin Sodium:
Porcine-derived Heparin Sodium, similar to its counterparts in other species, possesses a complex and highly sulfated structure. Understanding the nuances of its structure is fundamental for deciphering how Heparin Sodium interacts with antithrombin, leading to the inhibition of clotting factors and preventing the formation of blood clots. Structural insights contribute to optimizing its therapeutic efficacy.
Pharmacological Attributes and Anticoagulant Mechanisms:
Heparin Sodium's pharmacological attributes are central to its anticoagulant effects. In porcine systems, Heparin Sodium acts as an indirect anticoagulant by accelerating the activity of antithrombin, a natural inhibitor of clotting factors. Elucidating the specific mechanisms by which porcine Heparin Sodium modulates coagulation pathways contributes to refining its dosage and application in veterinary medicine.
Therapeutic Potential in Veterinary Medicine:
Porcine Heparin Sodium holds significant therapeutic potential in veterinary medicine, where clotting disorders and thrombotic events are prevalent. Understanding its pharmacokinetics, dosage requirements, and potential interactions with other drugs is crucial for optimizing its use in porcine healthcare. Additionally, exploring its safety profile in porcine models contributes to ensuring the well-being of animals under treatment.
Cross-Species Applications and Translational Insights:
Beyond its veterinary applications, porcine Heparin Sodium provides insights into potential cross-species applications, particularly in translational medicine. Understanding the similarities and differences in its anticoagulant mechanisms between porcine and human systems may open avenues for therapeutic innovations with relevance to both animal and human health.
Challenges and Future Directions:
While porcine Heparin Sodium presents opportunities for advancements in veterinary medicine and translational research, challenges persist. Fine-tuning its applications, addressing potential variations in its anticoagulant properties across different porcine breeds, and ensuring its safety and efficacy in diverse clinical scenarios are critical considerations for translational success.
Porcine Heparin Sodium emerges as a key player in the landscape of anticoagulation, offering a bridge between veterinary and translational medicine. Its structural insights, pharmacological attributes, and therapeutic potential in porcine systems contribute not only to veterinary care but also offer translational insights with implications for human health. As researchers continue to unravel the molecular intricacies of porcine Heparin Sodium, they not only deepen our understanding of anticoagulation in veterinary contexts but also pave the way for innovative biomedical applications, shaping the future of healthcare for both animals and humans.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Hepatoma Derived Growth Factor-Like 1 Human Recombinant

Hepatoma-derived growth factor-like protein 1, DJ309H15.1, PWWP1, PWWP domain-containing protein 1.

Product # :

CYT-850

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Description

HDGFL1 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 274 amino acids (1-251 a.a) and having a molecular mass of 29.6kDa.HDGFL1 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

HDGFL1 protein solution (0.25mg/ml) containing Phosphate buffered saline, (pH7.4) and 10% glycerol.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Introduction
Hepatoma Derived Growth Factor-Like 1 (HDGFL1) is a member of the HDGF family and contains 1 PWWP domain.
Synonyms
Hepatoma-derived growth factor-like protein 1, DJ309H15.1, PWWP1, PWWP domain-containing protein 1.
Physical Appearance
Sterile Filtered clear solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMSAYGMP MYKSGDLVFA KLKGYAHWPA RIEHMTQPNR YQVFFFGTHE TAFLSPKRLF PYKECKEKFG KPNKRRGFSA GLWEIENNPT VQASDCPLAS EKGSGDGPWP EPEAAEGDED KPTHAGGGGD ELGKPDDDKP TEEEKGPLKR SAGDPPEDAP KRPKEAAPDQ EEEAEAERAA EAERAAAAAA ATAVDEESPF LVAVENGSAP SEPGLVCEPP QPEEEELREE EVADEEASQE WHAEAPGGGD RDSL.
Background
What is the molecular weight/Mw of HDGFL1 HUMAN Protein?
HDGFL1 HUMAN Protein has a total Mw of 29.6kDa.

What is the source or expression system of HDGFL1 HUMAN Protein?
Escherichia Coli.

What is the Purity of HDGFL1 HUMAN Protein?
HDGFL1 HUMAN Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of HDGFL1 HUMAN Protein?
The biological functionality of HDGFL1 HUMAN Protein will be determined in the future.

What is the amino acid sequence of HDGFL1 HUMAN Protein?
MGSSHHHHHH SSGLVPRGSH MGSMSAYGMP MYKSGDLVFA KLKGYAHWPA RIEHMTQPNR YQVFFFGTHE TAFLSPKRLF PYKECKEKFG KPNKRRGFSA GLWEIENNPT VQASDCPLAS EKGSGDGPWP EPEAAEGDED KPTHAGGGGD ELGKPDDDKP TEEEKGPLKR SAGDPPEDAP KRPKEAAPDQ EEEAEAERAA EAERAAAAAA ATAVDEESPF LVAVENGSAP SEPGLVCEPP QPEEEELREE EVADEEASQE WHAEAPGGGD RDSL.

What applications can HDGFL1 HUMAN Protein be used in?
HDGFL1 HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for HDGFL1 HUMAN Protein?
The endotoxin level is minimal, HDGFL1 HUMAN Protein was purified using conventional chromatography techniques.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Vascular Endothelial Growth Factor (121 a.a.) Mouse Recombinant

Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, MGC70609.

Product # :

CYT-574

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Description

Vascular Endothelial Growth Factor-121 Mouse Recombinant produced in E.Coli is a homodimer, non-glycosylated, polypeptide chain containing 121 amino acids and having a molecular mass of 28.4 kDa.Recombinant Mouse VEGF-121 is a truncated version of Murine VEGF-165.The VEGF-121 is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The protein was lyophilized from a concentrated (1mg/ml) solution with no additives.

Purity

Greater than 97.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

More Info

Introduction
Vascular endothelial growth factor is an important signaling protein involved in both vasculogenesis and angiogenesis. As its name implies, VEGF activity has been mostly studied on cells of the vascular endothelium, although it does have effects on a number of other cell types (e.g. stimulation monocyte/macrophage migration, neurons, cancer cells, kidney epithelial cells ).VEGF mediates increased vascular permeability, induces angiogenesis, vasculogenesis and endothelial cell growth, promotes cell migration, and inhibits apoptosis. In vitro, VEGF has been shown to stimulate endothelial cell mitogenesis and cell migration. VEGF is also a vasodilator and increases microvascular permeability and was originally referred to as vascular permeability factor.
Elevated levels of this protein is linked to POEMS syndrome, also known as Crow-Fukase syndrome. Mutations in this gene have been associated with proliferative and nonproliferative diabetic retinopathy.
Synonyms
Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, MGC70609.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized VEGF-121 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution VEGF-121 should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized VEGF-121 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
MAPTTEGEQK SHEVIKFMDV YQRSYCRPIE TLVDIFQEYP DEIEYIFKPS CVPLMRCAGC CNDEALECVP TSESNITMQI MRIKPHQSQH IGEMSFLQHS RCECRPKKDR TKPEKCDKRPR R.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Leukemia Inhibitory Factor Human Recombinant, Sf9

Leukemia Inhibitory Factor, Differentiation Inhibitory Activity, Cholinergic Differentiation Factor, Differentiation-Stimulating Factor, Hepatocyte-Stimulating Factor III, Differentiation-Inducing Factor, Melanoma-Derived LPL Inhibitor, Human Interleukin In DA Cells, D Factor, HILDA, MLPLI, Emfilermin, DIA, CDF, Leukemia inhibitory factor, LIF, Differentiation-stimulating factor, D factor, Melanoma-derived LPL inhibitor, MLPLI, Emfilermin.

Product # :

CYT-1003

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Quantity :

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Description

LIF Human Recombinant produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 189 amino acids (23-202a.a.) and having a molecular mass of 20.8kDa (Molecular size on SDS-PAGE will appear at approximately 18-40kDa). LIF is expressed with a 6 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.

Source

Sf9, Baculovirus cells.

Formulation

LIF protein solution (0.25mg/ml) contains Phosphate Buffered Saline (pH 7.4) and 10% glycerol.

Purity

Greater than 90.0% as determined by SDS-PAGE.

Biological Activity

Measured in a cell proliferation assay using TF-1 human erythroleukemic cell. The ED50 for this effects is less or equal to 0.5 ng/ml.

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Introduction
Leukemia Inhibitory Factor also called LIF is a lymphoid factor that promotes long-term maintenance of embryonic stem cells by suppressing spontaneous differentiation. Leukemia Inhibitory Factor has several functions such as cholinergic neuron differentiation, control of stem cell pluripotency, bone & fat metabolism, mitogenesis of factor dependent cell lines & promotion of megakaryocyte production in vivo. Human and mouse LIF exhibit a 78% identity in its amino acid sequence.
Synonyms
Leukemia Inhibitory Factor, Differentiation Inhibitory Activity, Cholinergic Differentiation Factor, Differentiation-Stimulating Factor, Hepatocyte-Stimulating Factor III, Differentiation-Inducing Factor, Melanoma-Derived LPL Inhibitor, Human Interleukin In DA Cells, D Factor, HILDA, MLPLI, Emfilermin, DIA, CDF, Leukemia inhibitory factor, LIF, Differentiation-stimulating factor, D factor, Melanoma-derived LPL inhibitor, MLPLI, Emfilermin.
Physical Appearance
Sterile filtered colorless solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
ADPSPLPITP VNATCAIRHP CHNNLMNQIR SQLAQLNGSA NALFILYYTA QGEPFPNNLD KLCGPNVTDF PPFHANGTEK AKLVELYRIV VYLGTSLGNI TRDQKILNPS ALSLHSKLNA TADILRGLLS NVLCRLCSKY HVGHVDVTYG PDTSGKDVFQ KKKLGCQLLG KYKQIIAVLA
QAFHHHHHH.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Vascular Endothelial Growth Factor Mouse Recombinant, His Tag

Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, Vegf120, Vegf164, Vegf188, Vegfa.

Product # :

CYT-680

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Quantity :

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Shipped with Ice Packs

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Description

VEGF Mouse Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 141 amino acids (205-324 a.a.) and having a total molecular mass of 16.3kDa. Mouse VEGF is fused to 20 amino acid His Tag at N-terminus and purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The Mouse VEGF contains 20mM Tris-HCl buffer (pH8.0) and 10% glycerol.

Purity

Greater than 90.0% as determined by SDS-PAGE.

Biological Activity

Measured in a cell proliferation assay using NIH-3T3 mouse embryonic fibroblast. The ED50 for this effect is 0.5-1.5ng/ml.

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Introduction
Vascular endothelial growth factor is an important signaling protein involved in both vasculogenesis and angiogenesis. As its name implies, VEGF activity has been mostly studied on cells of the vascular endothelium, although it does have effects on a number of other cell types (e.g. stimulation monocyte/macrophage migration, neurons, cancer cells, kidney epithelial cells ).VEGF mediates increased vascular permeability, induces angiogenesis, vasculogenesis and endothelial cell growth, promotes cell migration, and inhibits apoptosis. In vitro, VEGF has been shown to stimulate endothelial cell mitogenesis and cell migration. VEGF is also a vasodilator and increases microvascular permeability and was originally referred to as vascular permeability factor.
Elevated levels of this protein is linked to POEMS syndrome, also known as Crow-Fukase syndrome. Mutations in this gene have been associated with proliferative and nonproliferative diabetic retinopathy.
Synonyms
Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, Vegf120, Vegf164, Vegf188, Vegfa.
Physical Appearance
Sterile Filtered colorless solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MAPTTEGEQK SHEVIKFMDV YQRSYCRPIE TLVDIFQEYP DEIEYIFKPS CVPLMRCAGC CNDEALECVP TSESNITMQI MRIKPHQSQH IGEMSFLQHS RCECRPKKDR TKPEKCDKPR R.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Tumor Necrosis Factor-Alpha Human Recombinant

TNF-alpha, Tumor necrosis factor ligand superfamily member 2, TNF-a, Cachectin, DIF, TNFA, TNFSF2.

Product # :

CYT-223

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Quantity :

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Shipped at Room temp

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Description

Tumor Necrosis Factor-a Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 158 amino acids (157 a.a. of the mature human TNF-alpha and an N-terminal methionine) and having a molecular mass of 17.5kDa. The TNF-alpha is purified by standard chromatographic techniques.

Source

Escherichia Coli.

Formulation

TNF-a Human was lyophilized from a concentrated 1mg/ml solution containing 20mM PB, pH-7.2, and 100mM NaCl.

Purity

Greater than 95.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Biological Activity

The Specific Activity is >5.0×10⁷ IU/mg as determined by the cytolysis of murine L929 cells in the presence of Actinomycin D.

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Introduction
Tumor necrosis factor is a cytokine involved in systemic inflammation and is a member of a group of cytokines that all stimulate the acute phase reaction. TNF is mainly secreted by macrophages.
TNF causes apoptotic cell death, cellular proliferation, differentiation, inflammation, tumorigenesis and viral replication, TNF is also involved in lipid metabolism, and coagulation. TNF's primary role is in the regulation of immune cells.
Dysregulation and, in particular, overproduction of TNF have been implicated in a variety of human diseases- autoimmune diseases, INS resistance, and cancer.
Synonyms
TNF-alpha, Tumor necrosis factor ligand superfamily member 2, TNF-a, Cachectin, DIF, TNFA, TNFSF2.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Tumor Necrosis Factor-a although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution TNF-a should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Tumor Necrosis Factor-alpha in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
MVRSSSRTPS DKPVAHVVAN PQAEGQLQWL NRRANALLAN GVELRDNQLV VPSEGLYLIY SQVLFKGQGC PSTHVLLTHT ISRIAVSYQT KVNLLSAIKS PCQRETPEGA E AKPWYEPIY LGGVFQLEKG DRLSAEINRP DYLDFAESGQ VYFGIIAL.
Background
TNF Alpha Human: An Overview of Its Role and Importance in Immunology
TNF alpha human, also known as Tumor Necrosis Factor-alpha, is a critical cytokine in the immune system. Macrophages mainly produce this protein, and it plays a key role in inflammation and the acute phase reaction.
This protein is involved in various cellular functions, including cell death, differentiation, proliferation, and immune regulation.
Production and Properties
Tumor Necrosis Factor-alpha is produced recombinantly in E. coli and consists of a single, non-glycosylated polypeptide chain. It includes 157 amino acids of the mature human TNF-alpha and an N-terminal methionine, resulting in a molecular mass of approximately 17.5 kDa.
Furthermore, the protein is purified through standard chromatographic techniques to ensure high purity and biological activity.
Solubility and Usage
The lyophilized form of TNF appears as a sterile, white powder. It is recommended to reconstitute this powder in sterile water to achieve a solution of no less than 100µg/ml.
This solution can then be further diluted for various experimental applications. TNF alpha is used extensively in research, particularly for studying its effects on cell signaling and immune response.
Storage and Stability
For long-term storage, TNF should be kept desiccated below -18°C. Once reconstituted, it should be used within a week if stored at 4°C or kept below -18°C for future use. Avoiding freeze-thaw cycles is crucial to maintain the protein's functionality.
Biological Role and Implications
TNF alpha human is involved in the regulation of immune cells and is known for its role in inflammatory processes.
Dysregulation of TNF alpha production is linked to various diseases, such as autoimmune disorders, insulin resistance, and cancer. It is also a target for therapeutic interventions, particularly in conditions like rheumatoid arthritis and inflammatory bowel disease.
Mechanism of Action
TNF alpha can induce fever, apoptotic cell death, and can inhibit tumorigenesis and viral replication. Moreover, it is a potent mediator of the acute phase reaction, which influences the activity of various cells involved in systemic inflammation.
Research and Clinical Importance
Scientific research on TNF has provided insights into its complex role in disease mechanisms. Its interaction with receptors such as TNFRSF1A underscores its multifaceted effects across different organ systems, from liver function to brain activity.
Ongoing studies continue to explore its therapeutic potential, especially how it can be modulated to treat diseases without harmful side effects.
In essence, TNF alpha human is a versatile and powerful component of the immune system, important for both health and disease. Understanding its pathways and functions helps scientists develop better treatments for various inflammatory and autoimmune diseases.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Platelet Factor-4 Mouse Recombinant (CXCL4)

CXCL4, PF-4, PF4, Iroplact, Oncostatin-A, SCYB4, MGC138298.

Product # :

CHM-245

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Shipped at Room temp

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Description

CXCL4 Mouse Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 76 amino acids and having a molecular mass of 8.2kDa.

Source

Escherichia Coli.

Formulation

The Mouse CXCL4 protein was lyophilized from a 0.2µm filtered concentrated solution in 20mM PB, pH 7.4 and 1.5M NaCl.

Purity

Greater than 97.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Biological Activity

Determined by its ability to chemoattract human neutrophils using a concentration range of 10-100ng/ml.

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Introduction
Platelet factor-4 is a 70-amino acid protein that is released from the alpha-granules of activated platelets. Its major physiologic role appears to be neutralization of molecules on the endothelial surface of blood vessels, thereby inhibiting local activity and promoting coagulation. As a strong chemoattractant for neutrophils and fibroblasts, PF4 probably has a role in inflammation and wound repair. Oncostatin-A is a member of the CXC chemocinfamily.
Synonyms
CXCL4, PF-4, PF4, Iroplact, Oncostatin-A, SCYB4, MGC138298.
Physical Appearance
Sterile Filtered white lyophilized powder.
Stability
Lyophilized CXCL4 Mouse Recombinant although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Mouse CXCL4 should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized CXCL4 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
VTSAGPEESD GDLSCVCVKT ISSGIHLKHI TSLEVIKAGR HCAVPQLIAT LKNGRKICLD RQAPLYKKVI KKILES.
Background
What is the molecular weight/Mw of CXCL4 MOUSE Protein?
CXCL4 MOUSE Protein has a total Mw of 8.2kDa.

What is the source or expression system of CXCL4 MOUSE Protein?
Escherichia Coli.

What is the Purity of CXCL4 MOUSE Protein?
CXCL4 MOUSE Protein is > 97% pure as determined by SDS-PAGE.

What is the Biological Activity of CXCL4 MOUSE Protein?
Determined by its ability to chemoattract human neutrophils using a concentration range of 10-100ng/ml.

What is the amino acid sequence of CXCL4 MOUSE Protein?
VTSAGPEESD GDLSCVCVKT ISSGIHLKHI TSLEVIKAGR HCAVPQLIAT LKNGRKICLD RQAPLYKKVI KKILES.

What applications can CXCL4 MOUSE Protein be used in?
CXCL4 MOUSE Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for CXCL4 MOUSE Protein?
The endotoxin level is minimal, CXCL4 MOUSE Protein was purified using conventional chromatography techniques.

Who supplies recombinant CXCL4 MOUSE that is in stock and available to order?
ProSpec has the protein in stock and available for immediate delivery.

Where can I order bulk mg quantities of CXCL4 MOUSE?
ProSpec supplies bulk mg quantities at affordable prices that meets research and academic budgets.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Super Leptin Antagonist Ovine Recombinant

Product # :

CYT-1245

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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Description

Super Leptin Antagonist Ovine Recombinant is a single polypeptide chain containing 146 amino acids, an additional Ala at N-terminus acids and having a molecular mass of ~ 16 kDa. Super Ovine Leptin Antagonist was mutated, resulting in D23L/L39A/D40A/F41A that was purified by proprietary chromatographic techniques.

Source

Escherichia coli.

Formulation

The protein was lyophilized from a concentrated (1mg/ml) solution with 0.003mM NaHCO3.

Purity

Greater than 98.0% as determined by:

(a) Gel filtration analysis.

(b) Analysis by SDS-PAGE.

Biological Activity

ProSpec’s super Ovine leptin antagonist is capable of inhibiting leptin-induced proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Super Ovine leptin antagonist also inhibits various leptin effects in several in vitro bioassays.

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Physical Appearance
White lyophilized (freeze-dried) powder.
Stability
Lyophilized Super Leptin Antagonist although stable at room temperature for several weeks, should be stored desiccated below -18°C. Upon reconstitution of super Ovine leptin antagonist at > 0.1 mg/ml and up to 2 mg/ml and filter sterilization super Ovine leptin antagonist can be stored at 4C or even room temperature for several weeks making it suitable for long term infusion studies using osmotic pumps. At lower concentration addition of a carrier protein (0.1% HSA or BSA) is suggested. Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Super Leptin Antagonist in sterile water or sterile 0.4% NaHCO3 adjusted to pH 10, not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Val-Pro-Ile-Arg.
Background
Leptin is a hormone which mainly produced by adipocytes. Leptin’s main part is to regulate long-term energy balance. Leptin is encoded by the LEP gene. Leptin receptors are expressed by various brain and peripheral cell types. leptin levels influence satiety, appetite and triggers behaviours which save energy. When leptin levels are high, the brain interprets that energy reserves are high, whereas low leptin levels means that energy reserves are low, in the process adapting the organism to starvation through a variety of metabolic, neurobiochemical, endocrine and behavioral change.
Protein content
Protein quantitation was carried out by UV spectroscopy at 280 nm using the absorbency value of 0.2 as the extinction coefficient for a 0.1% (1mg/ml) solution at pH 8.0. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Connective Tissue Growth Factor Human Recombinant

CCN2, NOV2, HCS24, IGFBP8, MGC102839, CTGF, Connective Tissue Growth Factor.

Product # :

CYT-541

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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Description

CTGF Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 98 amino acids and having a molecular mass of 11.2 kDa. The CTGF is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

CTGF was Lyophilized from a sterile filtered aqueous solution containing 0.1% Trifluoroacetic Acid (TFA).

Purity

Purity of CTGF is greater than 90% as determined by SDS-PAGE.

Biological Activity

Determined by the dose-dependent stimulation of the proliferation of HUVEC cells. The expected ED50 for this effect is 1-2µg/ml, corresponding to a specific activity of 500-1000units/mg.

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Introduction
Connective Tissue Growth Factor belongs to the CCN family of proteins. The CCN family presently consists of six members in human also known as: Cyr61 (Cystein rich 61), CTGF (Connective Tissue Growth Factor), Nov (Nephroblastoma Overexpressed gene), WISP-1, 2 and 3 (Wnt-1 Induced Secreted Proteins). The CCN genes encode secreted proteins associated with the Extracellular Matrix (ECM) and cell membrane.
CCN proteins are matricellular proteins which are involved in the regulation of various cellular functions including: proliferation, differentiation, survival, adhesion and migration. They are expressed in derivatives of the three embryonic sheets and are implicated in the development of kidney, nervous system, muscle, bone marrow, cartilage and bone. During adulthood, they are implicated in wound healing, bone fracture repair, and pathologies such as: fibrosis, vascular ailments and tumorigenesis.
Full length secreted CCN proteins can show an antiproliferative activity, whereas truncated isoforms are likely to stimulate proliferation and behave as oncogenes.
The full length protein consists of four modulesModule I shares partial identity with the N-terminal part of the IGFBPs.
Module II includes a stretch of 70amino acid residues – which shares sequence identity with the Von Willebrand Factor Type C repeat (VWC).
Module III contains sequences sharing identity with the Thrombospondin type 1 repeat (TSP1) (WSXCSXXCG), which is thought to be implicated in the binding of sulfated glycoconjugates and to be important for cell adhesion.
Module IV, also designated CT, is encoded by exon5. It is the leasts conserved one of the four domains at the level of nucleotide sequence, but it appears to be critical for several of the biological functions attributed to the CCN proteins. Module IV resembles the CT domain of several extracellular protein including, Von Willebrand's factor and mucins. Sequence similarities to binding motifs are also found within this domain.
Proteolysis of the secreted full-length CCN proteins that has been reported in the case of CCN2 and CCN3 might result in the production of CCN-derived peptides with high affinity for ligands that full-length CNN proteins bind only poorly. Amino-truncated CCN2 isoforms were biologically active whereas no specific biological activity has been attributed to the truncated CCN3. Although the molecular processes underlying the production of these secreted isoforms is presently unknown, it is important to note that proteolysis occur at the same amino acid residues in both CCN2 and CCN3. An elevated expression of CCN2 has also been detected by Northern blotting in human invasive mammary ductal carcinomas, dermatofibromas, pyogenic granuloma, endothelial cells of angiolipomas and angioleiomyomas, and in pancreatic tumors. A study performed with chondrosarcomas representative of various histological grades established that CCN2 expression was closely correlated with increasing levels of malignancy.
In agreement with CCN2 playing a role in brain tumor angiogenesis, immunocytochemistry studies indicated that both glioblastoma tumor cells and proliferating endothelial cells stained positive for CCN2. In astrocytomas, CCN2 expression was particularly elevated in high grade tumors, with a marked effect of CCN2 on cell proliferation. Downregulation of CCN2 expression in these cells was associated with a growth arrest at the G1/S transition while over-expression of CCN2 induced a two-fold increase of the number of cells in the G1 phase. Gene profiling analysis allowed to identify a set of about 50 genes whose expression might account for the proliferative activity of CCN2 in these cells.
CCN2 was seen in a higher proportion of mononuclear cells of patients with acute lymphoblastic leukemia.
Synonyms
CCN2, NOV2, HCS24, IGFBP8, MGC102839, CTGF, Connective Tissue Growth Factor.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized CTGF although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CTGF should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized CTGF in sterile 18MΩcm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
MGKKCIRTPK ISKPIKFELS GCTSMKTYRA KFCGVCTDGR CCTPHRTTTL PVEFKCPDGE VMKKNMMFIK TCACHYNCPG DNDIFESLYY RKMYGDMA.
Background
Title: Connective Tissue Growth Factor Human Recombinant: Insights into Production, Function, and Therapeutic Potential
Abstract:

Connective tissue growth factor (CTGF) is a multifunctional protein that plays a critical role in tissue homeostasis and repair. This research paper provides a comprehensive analysis of human recombinant CTGF, focusing on its production, characterization, and potential therapeutic applications. The paper discusses the significance of CTGF in connective tissue development, fibrosis, and wound healing. Furthermore, it explores the ongoing research and clinical trials investigating the therapeutic potential of recombinant CTGF in various pathological conditions. The information presented in this paper aims to deepen our understanding of human recombinant CTGF and its utility as a research tool and a potential therapeutic agent.
Introduction:

Connective tissue growth factor (CTGF) is a secreted protein that belongs to the CCN (Cyr61, CTGF, Nov) family. It is involved in diverse cellular processes, including cell proliferation, extracellular matrix synthesis, and angiogenesis. Human recombinant CTGF, produced through genetic engineering techniques, enables researchers to study its biological functions and explore its therapeutic potential.
Production and Characterization:

Recombinant CTGF is typically generated using expression systems such as mammalian cells or bacteria. The protein is then purified and characterized to ensure its structural integrity and functional activity. Quality control measures are implemented to confirm the specificity and biological activity of the recombinant CTGF.
Role in Tissue Homeostasis and Repair:

CTGF plays a critical role in connective tissue development, maintenance, and repair. It promotes the synthesis of extracellular matrix components, such as collagen and fibronectin, and regulates the activity of various growth factors. CTGF is also involved in wound healing and tissue remodeling processes. Understanding the molecular mechanisms underlying CTGF-mediated tissue repair provides insights into potential therapeutic interventions.
Therapeutic Implications:

The dysregulation of CTGF expression and signaling has been implicated in several pathological conditions, including fibrosis, arthritis, and cancer. Recombinant CTGF holds promise as a potential therapeutic agent for these diseases. Preclinical and clinical studies are being conducted to evaluate the safety and efficacy of CTGF-based therapies, such as CTGF-targeting antibodies and small-molecule inhibitors.
Conclusion:

Human recombinant CTGF is a valuable research tool and a potential therapeutic target in various pathological conditions. Its production, characterization, and applications in connective tissue biology contribute to our understanding of tissue repair mechanisms and the development of novel therapeutic strategies. Continued research and clinical trials exploring the therapeutic potential of recombinant CTGF offer promising avenues for improving patient outcomes.
What is the molecular weight/Mw of CTGF Protein?
CTGF Protein has a total Mw of 11.2kDa.

What is the source or expression system of CTGF Protein?
Escherichia Coli.

What is the Purity of CTGF Protein?
CTGF Protein is >90% pure as determined by SDS-PAGE.

What is the Biological Activity of CTGF Protein?
Determined by the dose-dependent stimulation of the proliferation of HUVEC cells. The expected ED50 for this effect is 1-2µg/ml, corresponding to a specific activity of 500-1000units/mg.

What is the amino acid sequence of CTGF Protein?
MGKKCIRTPK ISKPIKFELS GCTSMKTYRA KFCGVCTDGR CCTPHRTTTL PVEFKCPDGE VMKKNMMFIK TCACHYNCPG DNDIFESLYY RKMYGDMA.

What applications can CTGF Protein be used in?
CTGF Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for CTGF Protein?
The endotoxin level is minimal, CTGF Protein was purified using conventional chromatography techniques.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Hepatoma-Derived Growth Factor (32-285 a.a) Human Recombinant

Scatter Factor (SF), Hepatopoietin (HPTA), HGF, HGFB, F-TCF, DFNB39.

Product # :

CYT-294

Price :

Quantity :

Shipping Method :

Shipped with Ice Packs

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Citations

Description

HGF Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 255 amino acids (32-285 a.a.) and having a molecular mass of 29.8kDa. HGF is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

HGF protein solution (1mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 10% glycerol and 0.4M Urea.

Purity

Greater than 80% as determined by SDS-PAGE.

SDS-PAGE

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Introduction
Hepatocyte Growth Factor (HGF) is a multifunctional growth factor which regulates both cell growth and cell motility. It exerts a strong mitogenic effect on hepatocytes and primary epithelial cells. HGF synergizes with Interleukin-3 and GM-CSF to stimulate colony formation of hematopoietic progenitor cells in vitro and may, therefore, also modulate hematopoiesis.
Synonyms
Scatter Factor (SF), Hepatopoietin (HPTA), HGF, HGFB, F-TCF, DFNB39.
Physical Appearance
Sterile filtered colorless solution.
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
Amino Acid Sequence
MQRKRRNTIH EFKKSAKTTL IKIDPALKIK TKKVNTADQC ANRCTRNKGL PFTCKAFVFD KARKQCLWFP FNSMSSGVKK EFGHEFDLYE NKDYIRNCII GKGRSYKGTV SITKSGIKCQ PWSSMIPHEH SYRGKDLQEN YCRNPRGEEG GPWCFTSNPE VRYEVCDIPQ CSEVECMTCN GESYRGLMDH TESGKICQRW DHQTPHRHKF LPERYPDKGF DDNYCRNPDG QPRPWCYTLD PHTRWEYCAI KTCET.
Background
What is the molecular weight/Mw of HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein?
HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein has a total Mw of 29.8kDa.

What is the source or expression system of HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein?
Escherichia Coli.

What is the Purity of HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein?
HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein is >80% pure as determined by SDS-PAGE.

What is the Biological Activity of HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein?
What is the molecular weight/Mw of HGF (32-285) HUMAN Protein? HGF (32-285) HUMAN Protein has a total Mw of 29.8kDa. What is the source or expression system of HGF (32-285) HUMAN Protein? Escherichia Coli. What is the Purity of HGF (32-285) HUMAN Protein? HGF (32-285) HUMAN Protein is >80% pure as determined by SDS-PAGE. What is the Biological Activity of HGF (32-285) HUMAN Protein? The biological functionality of HGF (32-285) HUMAN Protein will be determined in the future. What is the amino acid sequence of HGF (32-285) HUMAN Protein? MQRKRRNTIH EFKKSAKTTL IKIDPALKIK TKKVNTADQC ANRCTRNKGL PFTCKAFVFD KARKQCLWFP FNSMSSGVKK EFGHEFDLYE NKDYIRNCII GKGRSYKGTV SITKSGIKCQ PWSSMIPHEH SYRGKDLQEN YCRNPRGEEG GPWCFTSNPE VRYEVCDIPQ CSEVECMTCN GESYRGLMDH TESGKICQRW DHQTPHRHKF LPERYPDKGF DDNYCRNPDG QPRPWCYTLD PHTRWEYCAI KTCET. What applications can HGF (32-285) HUMAN Protein be used in? HGF (32-285) HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow. What is the endotoxin level for HGF (32-285) HUMAN Protein? The endotoxin level is minimal, HGF (32-285) HUMAN Protein was purified using conventional chromatography techniques.

What is the amino acid sequence of HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein?
MQRKRRNTIH EFKKSAKTTL IKIDPALKIK TKKVNTADQC ANRCTRNKGL PFTCKAFVFD KARKQCLWFP FNSMSSGVKK EFGHEFDLYE NKDYIRNCII GKGRSYKGTV SITKSGIKCQ PWSSMIPHEH SYRGKDLQEN YCRNPRGEEG GPWCFTSNPE VRYEVCDIPQ CSEVECMTCN GESYRGLMDH TESGKICQRW DHQTPHRHKF LPERYPDKGF DDNYCRNPDG QPRPWCYTLD PHTRWEYCAI KTCET.

What applications can HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein be used in?
HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein?
The endotoxin level is minimal, HEPATOCYTE GROWTH FACTOR (32-285) HUMAN Protein was purified using conventional chromatography techniques.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Neurofilament Medium Polypeptide Bovine

Neurofilament medium polypeptide, NF-M, Neurofilament triplet M protein, 160 kDa neurofilament protein, Neurofilament 3, NEFM, NEF3, NFM.

Product # :

PRO-523

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Quantity :

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Shipped at Room temp

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Description

Ultra Pure NeuroFilament Protein having a Molecular mass of 160 kDa produced from Bovine Spinal Cord.

Source

Bovine Spinal Cord.

Formulation

The protein was lyophilized from a 1mg/ml solution containing 10mM sodium phosphate, pH-7.5, 2mM DTT, 6M urea, 10mM methylammonium chloride and 1mM EDTA.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Introduction
Neurofilaments are type IV intermediate filament heteropolymers that are composed of light, medium, and heavy chains. Neurofilaments comprise the axoskeleton and functionally maintain neuronal caliber and may also have a role in intracellular transport to axons and dendrites.
NeuroFilament 160kDa is a medium neurofilament protein, which is commonly used as a biomarker of neuronal damage.
Synonyms
Neurofilament medium polypeptide, NF-M, Neurofilament triplet M protein, 160 kDa neurofilament protein, Neurofilament 3, NEFM, NEF3, NFM.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Store the lyophilized NEFM between 2-8°C, do not freeze. Upon reconstitution NEFM should be stored below -18°C. Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized NEFM in sterile 18MΩ-cm H2O.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Hepatocyte Growth Factor Human Recombinant, CHO

Scatter Factor (SF), Hepatopoietin (HPTA), HGF.

Product # :

CYT-251

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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Description

Hepatocyte Growth Factor Human Recombinant produced in CHO is a heterodimer, non-glycosylated, polypeptide chain consisting an a-chain of 463 amino acids and b-chain of 234 having a total molecular mass of approximately 75kDa. The HGF is purified by proprietary chromatographic techniques.

Source

Chinese Hamster Ovarian Cells.

Formulation

The protein was lyophilized from a concentrated (1.4mg/ml) solution containing Phosphate-Buffered Saline with 0.02% Tween 80, pH 7.4.

Purity

Greater than 97.0% as determined by SDS-PAGE.

Biological Activity

The ED₅₀, calculated by the dose-dependant proliferation of monkey 4MBr-5 indicator cells was found to be 20-40 ng/ml.

More Info

Introduction
Hepatocyte Growth Factor (HGF) is a multifunctional growth factor which regulates both cell growth and cell motility. It exerts a strong mitogenic effect on hepatocytes and primary epithelial cells. HGF synergizes with Interleukin-3 and GM-CSF to stimulate colony formation of hematopoietic progenitor cells in vitro and may, therefore, also modulate hematopoiesis.
Synonyms
Scatter Factor (SF), Hepatopoietin (HPTA), HGF.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Hepatocyte Growth Factor although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution HGF should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Hepatocyte Growth Factor in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
Agrees with the sequence of native human HGF.
Background
What is the molecular weight/Mw of HEPATOCYTE GROWTH FACTOR HUMAN, CHO Protein?
HEPATOCYTE GROWTH FACTOR HUMAN, CHO Protein has a total Mw of 75kDa.

What is the source or expression system of HEPATOCYTE GROWTH FACTOR HUMAN, CHO Protein?
Chinese Hamster Ovarian Cells.

What is the Purity of HEPATOCYTE GROWTH FACTOR HUMAN, CHO Protein?
HEPATOCYTE GROWTH FACTOR HUMAN, CHO Protein is >97% pure as determined by SDS-PAGE.

What is the Biological Activity of HEPATOCYTE GROWTH FACTOR HUMAN, CHO Protein?
The ED50, calculated by the dose-dependant proliferation of monkey 4MBr-5 indicator cells was found to be 20-40 ng/ml.

What is the amino acid sequence of HEPATOCYTE GROWTH FACTOR HUMAN, CHO Protein?
Agrees with the sequence of native human HGF.

What applications can HEPATOCYTE GROWTH FACTOR HUMAN, CHO Protein be used in?
HEPATOCYTE GROWTH FACTOR HUMAN, CHO Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for HEPATOCYTE GROWTH FACTOR HUMAN, CHO Protein?
The endotoxin level is minimal, HEPATOCYTE GROWTH FACTOR HUMAN, CHO Protein was purified using conventional chromatography techniques.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Amphiregulin Human Recombinant

Schwannoma-derived growth factor, Colorectum cell-derived growth factor, AR, CRDGF, SDGF, AREGB, MGC13647.

Product # :

CYT-041

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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Description

Amphiregulin (AREG) Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 98 amino acids and having a molecular mass of 11.3 KDa.The AREG is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

Lyophilized from a 0.2µm filtered concentrated solution in PBS, pH7.4.

Purity

Greater than 95.0% as determined by:
(a) Analysis by HPLC.
(b) Analysis by SDS-PAGE.

Biological Activity

Determined by its ability to stimulate the proliferation of mouse Balb/c 3T3 cells. The expected ED₅₀ for this effect is 5-10 ng/ml, corresponding to a specific activity of 100,000-200,000units/mg.

More Info

Synonyms
Schwannoma-derived growth factor, Colorectum cell-derived growth factor, AR, CRDGF, SDGF, AREGB, MGC13647.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized AREG although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution AREG should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized AREG in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
SVRVEQVVKP PQNKTESENT SDKPKRKKKG GKNGKNRRNR KKKNPCNAEF QNFCIHGECK YIEHLEAVTC KCQQEYFGER CGEKSMKTHS MIDSSLSK.
Background
Amphiregulin Human Recombinant: Exploring its Role in Cancer Biology and Therapeutic Applications
Abstract:

Amphiregulin, a member of the epidermal growth factor (EGF) family, has gained significant attention in cancer research. This research paper provides an overview of Amphiregulin human recombinant, highlighting its molecular characteristics, signaling pathways, and therapeutic potential. Understanding the multifaceted role of Amphiregulin opens avenues for targeted cancer therapies. This article provides a concise analysis of Amphiregulin, emphasizing its impact on cancer biology and its therapeutic applications.
Introduction:

Cancer continues to be a significant health challenge worldwide, necessitating novel therapeutic approaches. Amphiregulin, an EGF family member, has emerged as a promising target in cancer research. This paper provides an overview of Amphiregulin, shedding light on its structure, function, and therapeutic potential.
Amphiregulin Signaling and Mechanisms:

Amphiregulin exerts its effects through the binding and activation of the EGF receptor (EGFR). Upon activation, a cascade of intracellular signaling pathways is triggered, including the MAPK and PI3K/AKT pathways. These pathways regulate critical cellular processes such as cell proliferation, survival, migration, and angiogenesis.
Amphiregulin in Cancer Biology:

Amphiregulin has been implicated in various aspects of cancer biology, including tumor growth, metastasis, and resistance to therapy. Its overexpression is observed in several cancer types, and its role in promoting tumor growth and metastasis has been demonstrated in preclinical studies. Targeting Amphiregulin signaling shows promise in inhibiting cancer progression and overcoming therapy resistance.
Therapeutic Potential of Amphiregulin Human Recombinant:

Amphiregulin human recombinant holds significant therapeutic potential in cancer treatment. Strategies aimed at blocking Amphiregulin-EGFR interactions or inhibiting downstream signaling pathways are being explored as potential therapeutic interventions. Additionally, Amphiregulin could serve as a predictive biomarker to identify patients who are more likely to respond to targeted therapies.
Challenges and Future Directions:

While the therapeutic targeting of Amphiregulin shows promise, several challenges need to be addressed. Further research is required to fully understand the complex interplay between Amphiregulin and other molecular pathways in cancer biology. Additionally, the development of specific and potent inhibitors and the identification of patient selection criteria are important considerations for successful clinical translation.
Conclusion:

Amphiregulin human recombinant represents a promising avenue for targeted cancer therapy. Understanding the molecular mechanisms and functional implications of Amphiregulin in cancer biology offers new opportunities for developing innovative treatments. Continued research in this field has the potential to improve patient outcomes and contribute to the advancement of personalized medicine.
What is the molecular weight/Mw of AREG Protein?
AREG Protein has a total Mw of 11.3kDa.

What is the source or expression system of AREG Protein?
Escherichia Coli.

What is the Purity of AREG Protein?
AREG Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of AREG Protein?
Determined by its ability to stimulate the proliferation of mouse Balb/c 3T3 cells. The expected ED50 for this effect is 5-10 ng/ml, corresponding to a specific activity of 100,000-200,000units/mg.

What is the amino acid sequence of AREG Protein?
SVRVEQVVKP PQNKTESENT SDKPKRKKKG GKNGKNRRNR KKKNPCNAEF QNFCIHGECK YIEHLEAVTC KCQQEYFGER CGEKSMKTHS MIDSSLSK.

What applications can AREG Protein be used in?
AREG Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for AREG Protein?
The endotoxin level is minimal, AREG Protein was purified using conventional chromatography techniques.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

Description:

Vascular Endothelial Growth Factor Human Recombinant, CHO

Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, MGC70609.

Product # :

CYT-260

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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Description

Vascular Endothelial Growth Factor Human Recombinant produced in CHO cells is a double, glycosylated, polypeptide chain containing 165 amino acids and migrates as 44 kDa in SDS-PAGE under non-reducing conditions. The VEGF is purified by proprietary chromatographic techniques.

Source

Chinese Hamster Ovarian Cell.

Formulation

The protein was lyophilized from a Phosphate- Buffered Saline, pH 7.4.

Purity

Greater than 97.0% as determined by SDS-PAGE.

Biological Activity

The protein was tested in HUVEC cells, the ED50 for this effect was found to be 2-6ng/ml.

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Introduction
Vascular endothelial growth factor is an important signaling protein involved in both vasculogenesis and angiogenesis. As its name implies, VEGF activity has been mostly studied on cells of the vascular endothelium, although it does have effects on a number of other cell types (e.g. stimulation monocyte/ macrophagemigration, neurons, cancer cells, kidney epithelial cells ). VEGF mediates increased vascular permeability, induces angiogenesis, vasculogenesis and endothelial cell growth, promotes cell migration, and inhibits apoptosis. In vitro, VEGF has been shown to stimulate endothelial cell mitogenesisand cell migration. VEGF is also a vasodilator and increases microvascular permeability and was originally referred to as vascular permeability factor.
Elevated levels of this protein are linked to POEMS syndrome, also known as Crow-Fukase syndrome. Mutations in this gene have been associated with proliferative and nonproliferative diabetic retinopathy.
Synonyms
Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, MGC70609.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Vascular Endothelial Growth Factor Human although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution VEGF Human Recombinant should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Vascular Endothelial Growth Factor Human in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.

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