Search: 1000 results found for "vegf protein"

Description:

Epidermal Growth Factor (1-51 a.a.)Human Recombinant

Urogastrone, URG, EGF.

Product # :

CYT-1115

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Description

Epidermal Growth Factor (1-51 a.a.) Human Recombinant produced in yeast is a single, glycosylated polypeptide chain containing 51 amino acids and having a molecular mass of 6.0kDa. The EGF is purified by proprietary chromatographic techniques.

Source

Saccharomyces cerevisiae

Formulation

Lyophilized from a 0.2μm filtered concentrated solution in PBS, pH 7.4.

Purity

Greater than 98.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Biological Activity

The ED50 is determined by a cell proliferation assay using murine Balb/c 3T3 cells and is < than 0.1 ng/ml, corresponding to a specific activity of > 1.0 × 10⁷ IU/mg.

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Introduction
Epidermal growth factor has a profound effect on the differentiation of specific cells in vivo and is a potent mitogenic factor for a variety of cultured cells of both ectodermal and mesodermal origin. The EGF precursor is believed to exist as a membrane-bound molecule which is proteolytically cleaved to generate the 53-amino acid peptide hormone that stimulates cells to divide. EGF stimulates the growth of several epidermal and epithelial tissues in vivo and in vitro and of some fibroblasts in cell culture.
Synonyms
Urogastrone, URG, EGF.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized EGF although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Epidermal Growth Factor should be stored at 4°C between 2-7 days and for future use below -18°C.Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Epidermal 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
NSDSECPLSH DGYCLHDGVC MYIEALDKYA CNCVVGYIGE RCQYRDLKWW E.
Background
Exploring the Potential of Epidermal Growth Factor (1-51 a.a.) Human Recombinant: Novel Insights and Therapeutic Prospects
Abstract:
Epidermal Growth Factor (EGF) stands as a pivotal cytokine orchestrating essential cellular processes. This concise research paper delves into the unique realm of Epidermal Growth Factor (1-51 a.a.) Human Recombinant, unveiling its intricate molecular dynamics, signaling cascades, and therapeutic promise. Employing cutting-edge methodologies encompassing in vitro assays and animal models, this study elucidates the multifaceted cellular responses sparked by this truncated EGF variant, paving the way for potential clinical applications.
Introduction:
The truncated form of EGF, spanning amino acids 1 to 51 (a.a.), carries distinct attributes that set it apart from the full-length counterpart. This paper centers on exploring the intriguing dimensions of Epidermal Growth Factor (1-51 a.a.) Human Recombinant, offering new insights into its interactions and potential utility.
Molecular Insights and Signaling Dynamics:
At the heart of its function lies the interplay between EGF (1-51 a.a.) and the epidermal growth factor receptor (EGFR). High-resolution structural analyses unveil the nuances of their binding interface, initiating a cascade of phosphorylation events that trigger canonical and non-canonical signaling pathways. The MAPK pathway and the PI3K/Akt pathway, intricately modulated by EGF (1-51 a.a.), propel cellular processes like proliferation, migration, and evasion of apoptosis.
In Vitro Profiling and Cellular Responses:
In dissecting the cellular responses, diverse in vitro assays have been employed. These encompass cell viability assays, wound healing assays, and intricate fluorescence resonance energy transfer (FRET) studies. These assays converge to illuminate the dynamic orchestration of EGF-induced cellular behaviors, showcasing its role in promoting cellular migration, division, and wound closure.
In Vivo Implications and Therapeutic Horizons:
Translating these insights into tangible therapeutic possibilities, in vivo studies present a compelling narrative. In animal models, EGF (1-51 a.a.) emerges as a potent player in cutaneous wound healing, fostering accelerated tissue regeneration. Moreover, its potential extends to oncology, as it not only influences tumor microenvironments but also demonstrates anti-apoptotic effects, hinting at its role in tailored cancer interventions.
Future Prospects and Challenges:
While these discoveries hold immense promise, challenges persist. The intricate network of signaling events demands further scrutiny, considering potential cross-talk and off-target effects. Refining delivery mechanisms and dosing regimens is essential for realizing the clinical potential of EGF (1-51 a.a.).
Conclusion:
In a synthesis of complex molecular insights and tangible therapeutic potential, Epidermal Growth Factor (1-51 a.a.) Human Recombinant emerges as a captivating subject. Its truncated structure and distinctive signaling cascades paint a canvas of cellular orchestration. As research advances, harnessing its therapeutic benefits could usher in novel interventions for wound healing and cancer therapy.
What is the molecular weight/Mw of EGF Protein?
EGF Protein has a total Mw of 6kDa.

What is the source or expression system of EGF Protein?
Saccharomyces cerevisiae

What is the Purity of EGF Protein?
EGF Protein is >98% pure as determined by SDS-PAGE.

What is the Biological Activity of EGF Protein?
The ED50 is determined by a cell proliferation assay using murine Balb/c 3T3 cells and is < than 0.1 ng/ml, corresponding to a specific activity of > 1.0 × 107 IU/mg.

What is the amino acid sequence of EGF Protein?
NSDSECPLSH DGYCLHDGVC MYIEALDKYA CNCVVGYIGE RCQYRDLKWW E.

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

What is the endotoxin level for EGF Protein?
The endotoxin level is minimal, EGF 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:

Granulocyte-Colony Stimulating Factor Rat Recombinant

Granulocyte colony stimulating factor, Protein Csf3, Csf3.

Product # :

CYT-940

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Description

GCSF Rat Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 195 amino acids and having a molecular mass of 21.5kDa.The G-CSF is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

Lyophilized from a 0.2µm filtered solution in 5mM Sodium Citrate, pH 4.0.

Purity

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

Biological Activity

The ED₅₀ determined by a cell proliferation assay using murine NFS-60 cells is less than 0.05ng/ml, corresponding to a specific activity of > 2.0× 10⁷ IU/mg.

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Introduction
GCSF is a cytokine that controls the production, differentiation, and function of granulocytes. The active protein is found extracellularly. Three transcript variants encoding three different isoforms have been found for the GCSF gene. Granulocyte/macrophage colony-stimulating factors are cytokines that act in hematopoiesis by controlling the production, differentiation, and function of 2 related white cell populations of the blood, the granulocytes and the monocytes-macrophages. This csf induces granulocytes.
Synonyms
Granulocyte colony stimulating factor, Protein Csf3, Csf3.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized G-CSF although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution GCSF 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 GCSF in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
KKIPLLTVSS LPPSLPLPRS FLLKSLEQVR KIQARNTELL EQLCATYKLC HPEELVLFGH SLGIPKASLS SCSSQALQQT KCLSQLHSGL FLYQGLLQAL AGISSELAPT LDMLHLDVDN FATTIWQQME SLGVAPTVQP TQSTMPIFTS AFQRRAGGVL VTSYLQSFLE TAHHALHHLP RPAQKHFPES LFISI.
Background
What is the molecular weight/Mw of G CSF RAT Protein?
G CSF RAT Protein has a total Mw of 21.5kDa.

What is the source or expression system of G CSF RAT Protein?
Escherichia Coli.

What is the Purity of G CSF RAT Protein?
G CSF RAT Protein is >97% pure as determined by SDS-PAGE.

What is the Biological Activity of G CSF RAT Protein?
The ED50 determined by a cell proliferation assay using murine NFS-60 cells is less than 0.05ng/ml, corresponding to a specific activity of > 2.0× 107 IU/mg.

What is the amino acid sequence of G CSF RAT Protein?
KKIPLLTVSS LPPSLPLPRS FLLKSLEQVR KIQARNTELL EQLCATYKLC HPEELVLFGH SLGIPKASLS SCSSQALQQT KCLSQLHSGL FLYQGLLQAL AGISSELAPT LDMLHLDVDN FATTIWQQME SLGVAPTVQP TQSTMPIFTS AFQRRAGGVL VTSYLQSFLE TAHHALHHLP RPAQKHFPES LFISI.

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

What is the endotoxin level for G CSF RAT Protein?
The endotoxin level is minimal, G CSF RAT 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:

Protein A/G/L-Cys Recombinant

Product # :

PRO-1934

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Description

Recombinant Protein-A/G/L produced in E.Coli is a single non-glycosylated polypeptide chain fused with a Cys at C-terminus. Protein- A/G/L is comprised of 5 IgG-binding regions of Protein A (E-D-A-B-C), 2 of protein G (C1-C3) and 5 of Protein L (B1-B2-B3-B4-B5) containing 806 amino acids in total and having a molecular mass of 89.3kDa. Cell wall binding region, cell membrane binding region and albumin binding region have been eliminated from the recombinant Protein- A/G/L to guarantee the maximum specific IgG binding.

Source

Escherichia Coli.

Formulation

Protein- A/G/L was lyophilized without any additives.

Purity

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

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Introduction
The recombinant Protein A/G/L is a genetically engineered protein which combines the IgG binding profiles of all Protein A, Protein G and Protein L. Protein A/G/L is a gene fusion product. Recombinant fusion protein A/G/L is comprised of 5 Ig-binding regions of protein L (B1-B2-B3-B4-B5), 5 IgG binding domains from Protein A (E-D-A-B-C) and 2 Ig-binding region of protein G (C1-C3). The recombinant Protein A/G/L is ideal for purification of monoclonal or polyclonal IgG antibodies. Protein A/G/L binds to IgG from humans, mice, rats, cows, goats, sheep, rabbits, guinea pigs, pigs, dogs and cats.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Protein-A/G/L although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Protein-A/G/L 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 Protein-A/G/L in sterile 18M-cm H2O not less than 0.1mg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
NAAQHDEAQQ NAFYQVLNMP NLNADQRNGF IQSLKDDPSQ SANVLGEAQK LNDSQAPKAD AQQNNFNKDQ QSAFYEILNM PNLNEAQRNG FIQSLKDDPS QSTNVLGEAK KLNESQAPKA DNNFNKEQQN AFYEILNMPN LNEEQRNGFI QSLKDDPSQS ANLLSEAKKL NESQAPKADN KFNKEQQNAF YEILHLPNLN EEQRNGFIQS LKDDPSQSAN LLAEAKKLND AQAPKADNKF NKEQQNAFYE ILHLPNLTEE QRNGFIQSLK DDPSVSKEIL AEAKKLNDAQ APKEEDSLEG SGSGTYKLIL NGKTLKGETT TEAVDAATAE KVFKQYANDN GVDGEWTYDD ATKTFTVTEK PEVIDASELT PAVTTYKLVI NGKTLKGETT TKAVDAETAE KAFKQYANDN GVDGVWTYDD ATKTFTVTEE PRARPGSGSG KEETPETPET DSEEEVTIKA NLIFANGSTQ TAEFKGTFEK ATSEAYAYAD TLKKDNGEYT VDVADKGYTL NIKFAGKEKT PEEPKEEVTI KANLIYADGK TQTAEFKGTF EEATAEAYRY ADALKKDNGE YTVDVADKGY TLNIKFAGKE KTPEEPKEEV TIKANLIYAD GKTQTAEFKG TFEEATAEAY RYADLLAKEN GKYTVDVADK GYTLNIKFAG KEKTPEEPKE EVTIKANLIY ADGKTQTAEF KGTFAEATAE AYRYADLLAK ENGKYTADLE DGGYTINIRF AGKKVDEKPE EKEQVTIKEN IYFEDGTVQT ATFKGTFAEA TAEAYRYADL LSKEHGKYTA DLEDGGYTIN IRFAGC.

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:

Retinol Binding Protein-4 Human

Retinol Binding Protein 4, RBP-4, RBP4, Plasma retinol-binding protein, PRBP, RBP.

Product # :

CYT-1218

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Description

RBP4 Human produced in Pooled human plasma can be used as a calibrator in immunoassays. Immunoreactivity was checked using monoclonal antibodies specific to RBP4.

Source

Human Plasma.

Formulation

RBP4 was lyophilized from PBS, 150mM NaCl, and 10mM K-phosphate, pH 7.4.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Synonyms
Retinol Binding Protein 4, RBP-4, RBP4, Plasma retinol-binding protein, PRBP, RBP.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Retinol Binding Protein-4 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution RBP4 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 RBP4 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Background
Retinol Binding Protein 4 (RBP4) is a multifunctional protein that plays a crucial role in the transport of retinol (vitamin A) in the bloodstream. Beyond its traditional role in vitamin A metabolism, RBP4 has emerged as a key player in various physiological processes and pathological conditions. This research endeavors to explore the diverse facets of RBP4 in human biology, shedding light on its physiological functions, regulatory mechanisms, and implications in health and disease.
Physiological Functions:
At its core, RBP4 acts as a carrier protein, shuttling retinol from the liver, where it is stored, to peripheral tissues where it is utilized. Retinol is vital for vision, immune function, growth, and development, making RBP4 an essential component in these processes. By regulating the availability of retinol, RBP4 contributes significantly to maintaining normal vision, immune responses, and cellular differentiation, particularly in epithelial tissues.
Metabolic Significance:
Research has unveiled RBP4’s role in metabolic regulation. It has been associated with insulin resistance, a hallmark of type 2 diabetes mellitus. Elevated RBP4 levels are observed in individuals with obesity and insulin resistance, implicating its involvement in metabolic disorders. Understanding the interplay between RBP4, insulin signaling, and glucose metabolism is crucial for deciphering the complexities of diabetes and metabolic syndrome.
Immunological Implications:
Beyond its metabolic functions, RBP4 has been implicated in immune responses. Studies have suggested its involvement in modulating inflammatory processes and immune cell functions. By influencing immune cell differentiation and cytokine production, RBP4 may play a role in both immune defense and autoimmune disorders. Investigating these immunological implications provides insights into the crosstalk between metabolic and immune pathways.
Genetic and Environmental Influences:
Genetic variations and environmental factors, such as diet and lifestyle, can impact RBP4 levels and functions. Research into these influences is essential for understanding individual susceptibility to metabolic disorders and inflammatory conditions. Genetic studies shed light on the hereditary aspects of RBP4 regulation, providing valuable information for personalized medicine approaches.
Clinical Relevance:
RBP4’s involvement in various diseases, including diabetes, cardiovascular diseases, and certain cancers, underscores its clinical relevance. It serves as a potential biomarker for metabolic dysregulation and a target for therapeutic interventions. Moreover, RBP4-targeted therapies are being explored for their potential in managing metabolic disorders and related complications.
Conclusion:
RBP4, once primarily recognized for its role in vitamin A transport, has evolved into a multifaceted protein with intricate roles in metabolism, immunity, and disease. Its functions extend far beyond being a mere carrier of retinol, influencing diverse physiological processes and serving as a nexus between metabolic health and immunological responses. Unraveling the complexities of RBP4 opens avenues for understanding diseases like diabetes and offers promising prospects for innovative therapies, emphasizing its significance in human biology and medicine.

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:

Fibroblast Growth Factor-8 Human Recombinant

FGF8B, FGF-8B, FGF8-B, KAL6, HBGF-8, HBGF8, AIGF, HBGF-8, MGC149376, fibroblast growth factor 8.

Product # :

CYT-839

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Description

FGF 8 Human Recombinant produced in E.Coli is a non-glycosylated polypeptide chain containing 194 amino acids and having a total molecular mass of 22.5kDa.

Source

Escherichia Coli.

Formulation

Lyophilized from a sterile 0.2 micron filtered aqueous solution containing 0.1% TFA.

Purity

Greater than 95.0% as determined by analysis by SDS-PAGE.

Biological Activity

The ED₅₀, as determined by its ability to induce proliferation of NR6-R 3T3, is 0.915ng/ml, corresponding to a specific activity of 1.1x10⁶units/mg.

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Introduction
FGF8 is part of the fibroblast growth factor family. FGF family members have wide mitogenic and cell survival activities, and participate in a variety of biological processes, including embryonic development, cell growth, morphogenesis, tissue repair, tumor growth and invasion. FGF8 supports androgen and anchorage independent growth of mammary tumor cells. FGF8 over expression increases tumor growth and angiogensis. The adult expression of FGF-8 gene is restricted to testes and ovaries. FGF8 functions as an embryonic epithelial factor. FGF8 takes part in midbrain and limb development, organogenesis, embryo gastrulation and left-right axis determination.
Synonyms
FGF8B, FGF-8B, FGF8-B, KAL6, HBGF-8, HBGF8, AIGF, HBGF-8, MGC149376, fibroblast growth factor 8.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized FGF-8 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution FGF-8 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 FGF-8 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
MQVTVQSSPN FTQHVREQSL VTDQLSRRLI RTYQLYSRTS GKHVQVLANK RINAMAEDGDPFAKLIVETD TFGSRVRVRG AETGLYICMN KKGKLIAKSN GKGKDCVFTE IVLENNYTAL QNAKYEGWYM AFTRKGRPRK GSKTRQHQRE VHFMKRLPRG HHTTEQSLRF EFLNYPPFTR SLRGSQRTWA PEPR.
Background
What is the molecular weight/Mw of FGF8 Protein?
FGF8 Protein has a total Mw of 22.5kDa.

What is the source or expression system of FGF8 Protein?
Escherichia Coli.

What is the Purity of FGF8 Protein?
FGF8 Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of FGF8 Protein?
The ED50, as determined by its ability to induce proliferation of NR6-R 3T3, is 0.915ng/ml, corresponding to a specific activity of 1.1x106units/mg.

What is the amino acid sequence of FGF8 Protein?
MQVTVQSSPN FTQHVREQSL VTDQLSRRLI RTYQLYSRTS GKHVQVLANK RINAMAEDGDPFAKLIVETD TFGSRVRVRG AETGLYICMN KKGKLIAKSN GKGKDCVFTE IVLENNYTAL QNAKYEGWYM AFTRKGRPRK GSKTRQHQRE VHFMKRLPRG HHTTEQSLRF EFLNYPPFTR SLRGSQRTWA PEPR.

What applications can FGF8 Protein be used in?
FGF8 Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for FGF8 Protein?
The endotoxin level is minimal, FGF8 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:

VAMP Associated Protein A 33kDa Human Recombinant

hVAP-33, VAP-33, VAP-A, VAP33, Vesicle-associated membrane protein-associated protein A, VAMP-associated protein A, VAMP-A, 33 kDa VAMP-associated protein, VAPA.

Product # :

PRO-779

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Shipped with Ice Packs

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Description

VAPA Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 264 amino acids (1-227 a.a.) and having a molecular mass of 29.8 kDa. VAPA is fused to 37 amino acid His Tag and purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

VAPA solution containing 20mM Tris pH-8, 1mM DTT and 10% glycerol.

Purity

Greater than 85% as determined by SDS-PAGE.

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Introduction
VAPA is involved in vesicle traficking. VAPA is a type IV membrane protein. It is localized in the plasma membrane and intracellular vesicles. VAPA is related with the cytoskeleton. VAPA functions membrane fusion, protein complex assembly and cell motility. VAPA is an essential regulator both of the subcellular localization of protrudin and of its ability to stimulate neurite outgrowth.
Synonyms
hVAP-33, VAP-33, VAP-A, VAP33, Vesicle-associated membrane protein-associated protein A, VAMP-associated protein A, VAMP-A, 33 kDa VAMP-associated protein, VAPA.
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
RGSHHHHHH GMASMTGGQQ MGRDLYDDDD KDRWGSHMAS ASGAMAKHEQ ILVLDPPTDL KFKGPFTDVV TTNLKLRNPS DRKVCFKVKT TAPRRYCVRP NSGIIDPGST VTVSVMLQPF DYDPNEKSKH KFMVQTIFAP PNTSDMEAVW KEAKPDELMD SKLRCVFEMP NENDKLNDME PSKAVPLNAS KQDGPMPKPH SVSLNDTETR KLMEECKRLQ GEMMKLSEEN RHLRDEGLRL RKVAHSDKPG STSTASFRDN VTSP.

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:

Apo Transferrin Human

Serotransferrin, Transferrin, Siderophilin, Beta-1-metal-binding globulin, TF, PRO1557, PRO2086, DKFZp781D0156, Apo Transferrin, ATF.

Product # :

PRO-325

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Description

Human Apo Transferrin is a glycoprotein of approximately 77 kDa.

Source

Human serum.

Formulation

The protein was lyophilized from 20mM NH4HC03 solution. May contain traces of buffer salts.

Purity

Greater than 98.0% as determined by coomassie blue stained SDS-PAGE and Cellulose Acetate electrophoresis.

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Introduction
Transferrin is the iron-transport protein of vertebrate serum and donates iron to cells through interaction with a specific membrane receptor, CD71. Transferrin appears to be indispensable for most cells growing in tissue culture.
It is referred to frequently as a growth factor because, in analogy to other growth factor-receptor interactions, proliferating cells express high numbers of transferrin receptors, and the binding of transferrin to their receptors is needed for cells to initiate and maintain their DNA synthesis. Apart from its role as an iron transport protein transferrin acts as a cytokine and has functions that may not be related to its iron-carrying capacity.
Human Transferrin is a crucial component for the cultivation of mammalian cells in-vitro. Human Transferrin is Critical for long-term cells growth in-vitro. Human Transferrin is used as detoxificant in media by binding contaminating metal ions. Human Transferrin is often used as a nutrient in fermentation media for recombinant protein and biopharmaceutical production. Additional common uses of Human Transferrin areMolecular weight, Affinity purification of anti-human transferrin antibodies and also as receptor mediated transfection of molecules such as DNA, into cells.
Synonyms
Serotransferrin, Transferrin, Siderophilin, Beta-1-metal-binding globulin, TF, PRO1557, PRO2086, DKFZp781D0156, Apo Transferrin, ATF.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Store the lyophilized Apo Transferrin between 2-8°C, do not freeze. Upon reconstitution Apo Transferrin should be stored at 4°C between 2-7 days and for future use below -18°C.Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Apo Transferrin in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Human Virus Test
Plasma from each donor has been tested and found negative for antibody to HIV-1, HIV-2, HCV, HBSAG and Syphilis.
Iron Content
The Iron content was estimated by ICP and was found to be <6 ppm.

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:

Vacuolar Protein Sorting 25 Human Recombinant

Vacuolar protein sorting 25 homolog (S. cerevisiae), vacuolar protein-sorting-associated protein 25, ELL-associated protein of 20 kDa, ESCRT-II complex subunit VPS25, Dermal papilla-derived protein 9, DERP9, EAP20, FAP20, MGC10540.

Product # :

PRO-1054

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Description

VPS25 Human Recombinant produced in E. coli is a single polypeptide chain containing 200 amino acids (1-176) and having a molecular mass of 23.3kDa.VPS25 is fused to a 24 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

E.coli.

Formulation

The VPS25 solution (0.5mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 100mM Nacl, and 20% glycerol.

Purity

Greater than 85% as determined by SDS-PAGE.

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Introduction
VPS25 contains the ESCRT-II complex (endosomal sorting complex required for transport II), that is needed for sorting of endosomal cargo proteins into MVBs and multivesicular body (MVB) formation. The MVB pathway facilitates transport of transmembrane proteins into the lumen of the lysosome for degradation. The ESCRT-II complex takes part in the recruitment of the ESCRT-III complex which is involved in transcription regulation, probably through its collaboration with ELL.
Synonyms
Vacuolar protein sorting 25 homolog (S. cerevisiae), vacuolar protein-sorting-associated protein 25, ELL-associated protein of 20 kDa, ESCRT-II complex subunit VPS25, Dermal papilla-derived protein 9, DERP9, EAP20, FAP20, MGC10540.
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 MGSHMAMSFE WPWQYRFPPF FTLQPNVDTR QKQLAAWCSL VLSFCRLHKQ SSMTVMEAQE SPLFNNVKLQ RKLPVESIQI VLEELRKKGN LEWLDKSKSS FLIMWRRPEE WGKLIYQWVS RSGQNNSVFT LYELTNGEDT EDEEFHGLDE ATLLRALQAL QQEHKAEIIT VSDGRGVKFF

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:

IGF-1 Bovine Recombinant

Somatomedin C, IGF-I, IGFI, IGF1, IGF-IA MGF.

Product # :

CYT-1261

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Description

IGF1 Bovine Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 70 amino acids and having a molecular mass of 7.6kDa. IGF- I is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The IGF1 Bovine was lyophilized from a 0.2µm filtered concentrated solution in PBS, pH 7.0.

Purity

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

Biological Activity

The biological activity was determined by the cell proliferation assay using serum free human MCF-7 cells in <2ng/ml, corresponding to a Specific Activity of >5.0 x 10⁵IU/mg.

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Introduction
The somatomedins, IGFs, comprise a family of peptides that play important roles in mammalian growth and development. IGF1 mediates many of the growth-promoting effects of GH. Early studies showed that GH did not directly stimulate the incorporation of sulfate into cartilage, but rather acted through a serum factor, termed 'sulfation factor,' which later became known as 'somatomedin. Three main somatomedins have been characterized: somatomedin C (IGF1), somatomedin A (IGF2; MIM 147470), and somatomedin B.
Synonyms
Somatomedin C, IGF-I, IGFI, IGF1, IGF-IA MGF.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized IGF-1 Bovine although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution bovine IGF1 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 bovine IGF-1 in sterile 18MΩ-cm H2O at a concentration of 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
GPETLCGAEL VDALQFVCGD RGFYFNKPTG YGSSSRRAPQ TGIVDECCFR SCDLRRLEMY CAPLKPAKSA.

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:

Energy Homeostasis Associated Human Recombinant

Adropin, Energy homeostasis-associated protein, ENHO, C9orf165, UNQ470.

Product # :

PRO-1569

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Description

ENHO Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain (a.a 34-76) containing 121 amino acids including extra 78 N-terminal amino acids. The total molecular mass is 13.05kDa (calculated).

Source

Escherichia Coli.

Formulation

ENHO filtered (0.4 µm) and lyophilized from 0.5mg/ml in phosphate buffered saline.

Purity

Greater than 90.0% as determined by SDS-PAGE.

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Introduction
Energy Homeostasis Associated (ENHO) participates in glucose homeostasis maintenance and lipid metabolism. ENHO is expressed in the liver and the brain. The role of ENHO in obesity or diabetes is studied.
Synonyms
Adropin, Energy homeostasis-associated protein, ENHO, C9orf165, UNQ470.
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. ENHO is not sterile! Please filter the product by an appropriate sterile filter before using it in the cell culture.
Amino Acid Sequence
MGGKSNGEKK YIVGFKQGFK SCAKKEDVIS EKGGKLQKCF KYVDAASATL NEKAVEELKK DPSVAYVEED KLFKALTSCHSRSADVDSLS ESSPNSSPGP CPEKAPPPQK PSHEGSYLLQ P.

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:

Pigment Epithelium-Derived Factor Human Recombinant, HEK

Pigment epithelium-derived factor, PEDF, Serpin-F1, SerpinF1, EPC-1, EPC1, PIG35.

Product # :

CYT-553

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Description

PEDF Human Recombinant produced in HEK cells is a single, glycosylated, polypeptide chain containing a total of 410 amino acids, having a molecular mass of 45.6 kDa and fused to an 11 aa FLAG tag at C-Terminus.The Human PEDF is purified by proprietary chromatographic techniques.

Source

HEK 293.

Formulation

The filtered (0.4µm) concentrated (0.5mg/ml) protein solution was lyophilized with 20mM Tris & 20mM NaCl pH-7.5.

Purity

Greater than 95% as determined by SDS-PAGE.

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Introduction
PEDF is a neurotrophic protein that induces extensive neuronal differentiation in retinoblastoma cells. SerpinF1 is a potent inhibitor of angiogenesis. EPC1 doesn’t undergo the stressed to relaxed conformation transition characteristic as of the active serpins since it exhibits no serine protease inhibitory activity.
Aqueous humour level of asymmetric dimethylarginine is correlated with PEDF in humans. ADMA and PEDF levels are increased in response to inflammation in uveitis.
Lack of PEDF expression is a potent factor for the enhancement of tumor growth and angiogenesis in breast cancer.
PEDF & VEGF genes contribute to the development of diabetic retinopathy.
PEDF and VEGF structural changes in blood vessel wall play an important role in the pathophysiology of PD patients.
PEDF-overexpressing tumors exhibited reduced intratumoral angiogenesis.
SerpinF1 is a new promising approach for the treatment of osteosarcoma.
Levels of the natural ocular anti-angiogenic factor SentrinF1 (PEDF) is associated with proliferative retinopathy.
VEGF secreted by retinal pigment epithelial cells upregulates PEDF expression via VEGFR-1 in an autocrine manner.
Sentrin-F1 concentration in the aqueous humor of diabetic patients predicts who will develop progression of retinopathy.
PEDF blocks angiogenic effects of leptin through its anti-oxidative properties.
Synonyms
Pigment epithelium-derived factor, PEDF, Serpin-F1, SerpinF1, EPC-1, EPC1, PIG35.
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.
Solubility
It is recomnded to add deionized water to a working concentration of 0.5mg/ml and let the lyophilized pellet dissolve completely. Product is not sterile! Please filter the product by an appropriate sterile filter before using it in the cell culture.
Amino Acid Sequence
QNPASPPEEG SPDPDSTGAL VEEEDPFFKV PVNKLAAAVS NFGYDLYRVR SSTSPTTNVL LSPLSVATAL SALSLGAEQR TESIIHRALY YDLISSPDIH GTYKELLDTV TAPQKNLKSA SRIVFEKKLR IKSSFVAPLE KSYGTRPRVL TGNPRLDLQE INNWVQAQMK GKLARSTKEI PDEISILLLG VAHFKGQWVT KFDSRKTSLE DFYLDEERTV RVPMMSDPKA VLRYGLDSDL SCKIAQLPLT GSMSIIFFLP LKVTQNLTLI EESLTSEFIH DIDRELKTVQ AVLTVPKLKL SYEGEVTKSL QEMKLQSLFD SPDFSKITGK PIKLTQVEHR AGFEWNEDGA GTTPSPGLQP AHLTFPLDYH LNQPFIFVLR DTDTGALLFI GKILDPRGPAAADYKDDDDK.

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:

Cardiac Troponin-C Human

Troponin C slow skeletal and cardiac muscles, TN-C, TNNC1, TNNC, TNC, CMD1Z.

Product # :

PRO-2571

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Description

Troponin-C Human produced from Human Cardiac Tissue, having a molecular mass of 18kDa. The Troponin-C is purified using a combination of ion-exchange and affinity chromatography steps.

Source

Human cardiac tissue

Formulation

The protein solution contains 150 mM NaCl, 10 mM sodium phosphate and 0.05% NaN3, (pH 7.0).

Purity

Greater than 95% as determined by SDS-PAGE.

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Introduction
Troponin is a fundamental regulatory protein of striated muscle contraction, and together with tropomyosin, is positioned on the actin filament. Troponin has 3 subunits: TnI- the inhibitor of actomyosin ATPase; TnT- contains the binding site for tropomyosin; and TnC- the protein encoded by the TNNC1 gene. The binding of calcium to TnC stops the inhibitory action of TnI, consequently allowing the interaction of actin with myosin, the hydrolysis of ATP, and the generation of tension. Mutations in the TNNC1 gene are linked to cardiomyopathy dilated type 1Z.
Synonyms
Troponin C slow skeletal and cardiac muscles, TN-C, TNNC1, TNNC, TNC, CMD1Z.
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.

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:

Family with Sequence Similarity 107, Member B Human Recombinant

FAM107B protein, FLJ45505, MGC11034, Protein FAM107B, Family with Sequence Similarity 107, Member B, FAM107B, C10orf45.

Product # :

PRO-1691

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Description

FAM107B Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 154 amino acids (1-131) and having a molecular mass of 17.9kDa.FAM107B is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The FAM107B solution (1mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 0.15M NaCl, 20% glycerol and 1mM DTT.

Purity

Greater than 95% as determined by SDS-PAGE.

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Introduction
Family with Sequence Similarity 107, Member B (FAM107B) which is a part of the FAM107 family, is expressed in most tissues in the human body. FAM107B exists in all stages of human development.
Synonyms
FAM107B protein, FLJ45505, MGC11034, Protein FAM107B, Family with Sequence Similarity 107, Member B, FAM107B, C10orf45.
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 MGSMAEPDYI EDDNPELIRP QKLINPVKTS RNHQDLHREL LMNQKRGLAP QNKPELQKVM EKRKRDQVIK QKEEEAQKKK SDLEIELLKR QQKLEQLELE KQKLQEEQEN APEFVKVKGN LRRTGQEVAQ AQES.

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

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SDS-PAGE

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:

Proheparin-Binding EGF-like Growth Factor Human Recombinant, His Tag

Proheparin-binding EGF-like growth factor, HBEGF, DTR, DTS, HEGFL, HB-EGF, Heparin-binding EGF-like growth factor, Diphtheria toxin receptor, DT-R, DTSF.

Product # :

CYT-761

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Description

HB-EGF His Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 109 amino acids (63-148) and having a molecular mass of 12.1kDa.HB-EGF His is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The HB-EGF His solution (0. 5mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 0.2M NaCl, 2mM DTT and 50% glycerol.

Purity

Greater than 85% as determined by SDS-PAGE.

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Introduction
HB-EGF is an EGF related growth factor which signals via the EGF receptor, and stimulates the proliferation of SMC (smooth muscle cells), fibroblasts, epithelial cells and keratinocytes. HB-EGF is expressed in various cell types and tissues, including vascular endothelial cells and SMC, macrophages, skeletal muscle, keratinocytes and particular tumor cells. HB-EGF’s ability to explicitly bind heparin and heparin sulfate proteoglycans is dissimilar from other EGF-like molecules, and might be related to the enhanced mitogenic activity, relative to EGF, that HB-EGF exerts on smooth muscle cells.
Synonyms
Proheparin-binding EGF-like growth factor, HBEGF, DTR, DTS, HEGFL, HB-EGF, Heparin-binding EGF-like growth factor, Diphtheria toxin receptor, DT-R, DTSF.
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 MGSDLQEADL DLLRVTLSSK PQALATPNKE EHGKRKKKGK GLGKKRDPCL RKYKDFCIHG ECKYVKELRA PSCICHPGYH GERCHGLSL.
Background
What is the molecular weight/Mw of HB-EGF Protein?
HB-EGF Protein has a total Mw of 12.1kDa.

What is the source or expression system of HB-EGF Protein?
Escherichia Coli.

What is the Purity of HB-EGF Protein?
HB-EGF Protein is >85% pure as determined by SDS-PAGE.

What is the Biological Activity of HB-EGF Protein?
The biological functionality of HB-EGF Protein will be determined in the future.

What is the amino acid sequence of HB-EGF Protein?
MGSSHHHHHH SSGLVPRGSH MGSDLQEADL DLLRVTLSSK PQALATPNKE EHGKRKKKGK GLGKKRDPCL RKYKDFCIHG ECKYVKELRA PSCICHPGYH GERCHGLSL.

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

What is the endotoxin level for HB-EGF Protein?
The endotoxin level is minimal, HB-EGF 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:

Bovine Vimentin

Vimentin, Vim, FLJ36605.

Product # :

PRO-525

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Description

Bovine Vimentin protein produced in Bovine Lens, having a molecular weight of 57 kDa.

Source

Bovine Lens.

Formulation

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

Purity

Greater than 98.0% as determined by SDS-PAGE.

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Introduction
Vimentin expression in human malignant glioma cells depends on cellular density, algorithms of drug delivery and chemo/radio treatment. Vimentin and detyrosinated microtubules provide structural support for the extensive microtentacles observed in detached tumor cells and a mechanism to promote successful metastatic spread. Primary colorectal carcinomas display aberrant expression of vimentin, and have activated Notch and TGFbeta signaling pathways. Vimentin is a strong arterial substrate for transglutaminases. Transglutaminase-mediated vimentin dimerization results in a novel unifying pathway by which vasodilatory and remodeling responses may be regulated. Ablation of vimentin expression inhibits migration and invasion of colon and breast cancer cell lines. Vimentin is the main intermediate filament protein in mesenchymal cells and is therefore of value in the differential diagnosis of undifferentiated neoplasms.
Synonyms
Vimentin, Vim, FLJ36605.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Bovine Vimentin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution BovineVimentin 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 Bovine Vimentin in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Reconstitution to filaments
After vimentin is dissolved in 6M urea buffer (see above), protofilaments and filament complexes are obtained by dialyzing the resulting polypeptide solution stepwise to a concentration of 4M urea and then to low salt condition (50mM NaCl, 2mM dithiothreitol, 10mM Sodium Phosphate, pH 7.4). For immunization purposes, the solution can be further dialyzed against PBS (phosphate buffered saline, e.g. Dulbecco''s PBS).- Hatzfeld M. and Franke W.W. (1985). J. Cell Biol. 101, 1826-1841.- Hatzfeld M. et al. (1987). J. Mol. Biol. 197, 237-255.

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 , HEK

CCN2, NOV2, HCS24, IGFBP8, MGC102839, CTGF.

Product # :

CYT-687

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Description

The CTGF Human Recombinant produced in HEK293 cells, is 36kDa protein containing a total of 329 amino acid residues (aa 27-349) including a C-terminal 6×His tag.

Source

HEK293 cells.

Formulation

CTGF filtered (0.2µm) solution in 0.1M Citrate buffer pH 4.7 and 20% (w/v) glycerol.

Purity

Greater than 90.0% as determined by SDS-PAGE.

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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 modules: Module I shares partial identity with the N-terminal part of the Insulin-like Growth Factor Binding Proteins (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 heparin-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.
Physical Appearance
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
QNCSGPCRCP DEPAPRCPAG VSLVLDGCGC CRVCAKQLGE LCTERDPCDP HKGLFCHFGS PANRKIGVCT AKDGAPCIFG GTVYRSGESF QSSCKYQCTC LDGAVGCMPL CSMDVRLPSP DCPFPRRVKL PGKCCEEWVC DEPKDQTVVG PALAAYRLED TFGPDPTMIR ANCLVQTTEW SACSKTCGMG ISTRVTNDNA SCRLEKQSRL CMVRPCEADL EENIKKGKKC IRTPKISKPI KFELSGCTSM KTYRAKFCGV CTDGRCCTPH RTTTLPVEFK CPDGEVMKKN MMFIKTCACH YNCPGDNDIF ESLYYRKMYG DMA HHHHHH.
Background
What is the molecular weight/Mw of CTGF Protein?
CTGF Protein has a total Mw of 36kDa.

What is the source or expression system of CTGF Protein?
HEK293 cells.

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?
The biological functionality of CTGF Protein will be determined in the future.

What is the amino acid sequence of CTGF Protein?
QNCSGPCRCP DEPAPRCPAG VSLVLDGCGC CRVCAKQLGE LCTERDPCDP HKGLFCHFGS PANRKIGVCT AKDGAPCIFG GTVYRSGESF QSSCKYQCTC LDGAVGCMPL CSMDVRLPSP DCPFPRRVKL PGKCCEEWVC DEPKDQTVVG PALAAYRLED TFGPDPTMIR ANCLVQTTEW SACSKTCGMG ISTRVTNDNA SCRLEKQSRL CMVRPCEADL EENIKKGKKC IRTPKISKPI KFELSGCTSM KTYRAKFCGV CTDGRCCTPH RTTTLPVEFK CPDGEVMKKN MMFIKTCACH YNCPGDNDIF ESLYYRKMYG DMA HHHHHH.

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:

Holo Transferrin Bovine

Serotransferrin, Transferrin, Siderophilin, Beta-1-metal-binding globulin, TF, PRO1557, PRO2086, DKFZp781D0156, Holo Transferrin, HTF.

Product # :

PRO-510

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Description

Bovine Holo Transferrin is a glycoprotein of approximately 80 kDa.

Formulation

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

Purity

Greater than 97.0% as determined by Cellulose Acetate.

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Introduction
Transferrin is the iron-transport protein of vertebrate serum and donates iron to cells through interaction with a specific membrane receptor, CD71. Transferrin appears to be indispensable for most cells growing in tissue culture.
It is referred to frequently as a growth factor because, in analogy to other growth factor-receptor interactions, proliferating cells express high numbers of transferrin receptors, and the binding of transferrin to their receptors is needed for cells to initiate and maintain their DNA synthesis. Apart from its role as an iron transport protein transferrin acts as a cytokine and has functions that may not be related to its iron-carrying capacity.
Synonyms
Serotransferrin, Transferrin, Siderophilin, Beta-1-metal-binding globulin, TF, PRO1557, PRO2086, DKFZp781D0156, Holo Transferrin, HTF.
Physical Appearance
Sterile Filtered Pink lyophilized (freeze-dried) powder.
Stability
Lyophilized Bovine HTF although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Bovine HTF should be stored at 4°C between 2-7 days and for future use below -18°C.Please prevent freeze-thaw cycles.
Solubility
It is recommended to reconstitute the lyophilized Bovine HTF in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Human Virus Test
FDA approved Plasma from each donor has been tested and found negative for antibody to HIV-1, HIV-2, HCV, HBSAG, HBc, ALT and Syphilis.Viral inactivation by pasteurization (60°C for 10 hours) has been validated using three different test viruses, with removal of 8-14.5 logs of virus documented. The purification process has also been found to remove significant additional quantities of virus.
Applications
Bovine Transferrin is a crucial component for the cultivation of mammalian cells in-vitro. Bovine Transferrin is Critical for long-term cells growth in-vitro. Bovine Transferrin is used as detoxificant in media by binding contaminating metal ions. Bovine Transferrin is often used as a nutrient in fermentation media for recombinant protein and biopharmaceutical production. Additional common uses of Bovine Transferrin areMolecular weight, Affinity purification of anti-human transferrin antibodies and also as receptor mediated transfection of molecules such as DNA, into cells.

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:

Transferrin Receptor Human

Transferrin receptor protein 1, TR, TfR, TfR1, Trfr, T9, p90, CD_antigen: CD71, Transferrin receptor, serum form, sTfR, TFRC, CD71

Product # :

PRO-2742

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Description

Human Transferrin Receptor Protein produced in human serum tissue having a molecular mass of 85kDa.

Source

Human serum.

Formulation

TFRC Native solution (0.2µm filtered) contains 250mM TRIS-HCl buffer, 0.15M NaCl, 0.09% NaN3, pH 8.0.

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Introduction
Transferrin receptor protein 1 (TFRC) is required for iron delivery from transferring to cells. The TFRC protein is a transmembrane glycoprotein comprised of 2 disulfide-linked monomers joined by 2 disulfide bonds. Each monomer will bind one holo-transferrin molecule producing an iron-Tf-TfR complex which enters the cell by endocytosis.
Synonyms
Transferrin receptor protein 1, TR, TfR, TfR1, Trfr, T9, p90, CD_antigen: CD71, Transferrin receptor, serum form, sTfR, TFRC, CD71
Physical Appearance
Sterile Filtered brown 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.
Human Virus Test
Starting material donor has been tested and certified negative for antibodies to HIV-1, HIV-2, HCV, HBSAG, Parvovirus B19, Syphilis and HIV/HBV/HCV (PCR).

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:

Staphylococcal Protein A 434 a.a Recombinant

Immunoglobulin G-binding protein A, IgG-binding protein A, Staphylococcal protein A, SPA.

Product # :

PRO-686

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Description

Recombinant Staphylococcal Protein A produced in E.Coli is a non-glycosylated, Polypeptide chain containing 434 amino acids (37-469 a.a.) and having a molecular mass of 48.1 kDa. Recombinant Staphylococcal Protein A is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The Protein-A protein solution contains 20mM Tris-HCl, pH-8 and 10% glycerol.

Purity

Greater than 90.0% as determined by SDS-PAGE.

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Introduction
Protein A is a cell wall protein deriving from Staphylococcus aureus which exhibits unique binding properties for IgG from a variety of mammalian species and for some IgM and IgA as well. It binds with the Fc region of immunoglobulins through interaction with the heavy chain. It couples to a wide variety of reporter molecules including fluorescent dyes, enzyme markers, biotin, colloidal gold and radioactive iodine without affecting the antibody binding site. Recombinant Protein A was developed to increase the specificity of the molecule for IgG and is widely used both in research and bioprocessing. The recombinant protein A is produced by expressing a modified protein A gene in E.coli. A specific purification process with strict quality control was taken to get the recombinant protein A with the purity of more than 98% , no human IgG affinity step is used during validated fermentation and purification and devoid of bacterial contaminant found normally in native Protein A. (Free of Staphylococcus endotoxins and hemolysin).
Synonyms
Immunoglobulin G-binding protein A, IgG-binding protein A, Staphylococcal protein A, SPA.
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
MAQHDEAQQN AFYQVLNMPN LNADQRNGFI QSLKDDPSQS ANVLGEAQKL NDSQAPKADA QQNNFNKDQQ SAFYEILNMP NLNEAQRNGFIQSLKDDPSQ STNVLGEAKK LNESQAPKAD NNFNKEQQNA FYEILNMPNL NEEQRNGFIQ SLKDDPSQSA NLLSEAKKLN ESQAPKADNK
FNKEQQNAFY EILHLPNLNE EQRNGFIQSL KDDPSQSANL LAEAKKLNDA QAPKADNKFN KEQQNAFYEI LHLPNLTEEQ RNGFIQSLKDDPSVSKEILA EAKKLNDAQA PKEEDNNKPG KEDNNKPGKE DNNKPGKEDG NKPGKEDNKK PGKEDNKKPG KEDNKKPGKE DGNKPGKEDN
KKPGKEDGNG VHVVKPGDTV NDIAKANGTT ADKIAADNKL ADKNMIKPGQ ELVVDKKQPA NHADANKAQA LPET.

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:

Growth and Differentiation factor 11 Human Recombinant, His Tag

Growth Differentiation Factor 11, BMP11, Bone Morphogenetic Protein 11, BMP-11, GDF-11, Growth/Differentiation Factor 11, Growth/differentiation factor 11.

Product # :

CYT-887

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Description

GDF11 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 132 amino acids (299-407a.a) and having a molecular mass of 14.8kDa. GDF11 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

GDF11 protein solution (1mg/ml) containing 20mM Tris-HCl (pH8.0) and 10% glycerol.

Purity

Greater than 85.0% as determined by SDS-PAGE.

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Introduction
GDF-11 belongs to the bone morphogenetic protein (BMP) family and the TGF-beta superfamily. GDF-11 is a central developmental factor which controls muscular and neural development. In adults, GDF-11 encourages cardiac hypertrophy reverse by the revival of cardiomyocytes.
Synonyms
Growth Differentiation Factor 11, BMP11, Bone Morphogenetic Protein 11, BMP-11, GDF-11, Growth/Differentiation Factor 11, Growth/differentiation factor 11.
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 MGSNLGLDCD EHSSESRCCR YPLTVDFEAF GWDWIIAPKR YKANYCSGQC EYMFMQKYPH THLVQQANPR GSAGPCCTPT KMSPINMLYF NDKQQIIYGK IPGMVVDRCG CS.
Background
What is the molecular weight/Mw of GDF11 HUMAN, HIS Protein?
GDF11 HUMAN, HIS Protein has a total Mw of 14.8kDa.

What is the source or expression system of GDF11 HUMAN, HIS Protein?
Escherichia Coli.

What is the Purity of GDF11 HUMAN, HIS Protein?
GDF11 HUMAN, HIS Protein is >85% pure as determined by SDS-PAGE.

What is the Biological Activity of GDF11 HUMAN, HIS Protein?
The biological functionality of GDF11 HUMAN, HIS Protein will be determined in the future.

What is the amino acid sequence of GDF11 HUMAN, HIS Protein?
MGSSHHHHHH SSGLVPRGSH MGSNLGLDCD EHSSESRCCR YPLTVDFEAF GWDWIIAPKR YKANYCSGQC EYMFMQKYPH THLVQQANPR GSAGPCCTPT KMSPINMLYF NDKQQIIYGK IPGMVVDRCG CS.

What applications can GDF11 HUMAN, HIS Protein be used in?
GDF11 HUMAN, HIS Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for GDF11 HUMAN, HIS Protein?
The endotoxin level is minimal, GDF11 HUMAN, HIS 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:

Pigment Epithelium-Derived Factor Human Recombinant

Pigment epithelium-derived factor,PEDF, Serpin-F1, SerpinF1, EPC-1, EPC1, PIG35.

Product # :

CYT-580

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Description

PEDF Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 400 amino acids and having a molecular mass of 44.5 kDa. The Human PEDF is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The sterile filtered concentrated (1mg/ml) protein solution was lyophilized with 20mM sodium phosphate buffer & 150mM NaCl pH-7.4.

Purity

Greater than 95% as determined by SDS-PAGE.

More Info

Introduction
PEDF is a noninhibitory serpin with neurotrophic, anti-angiogenic, and anti-tumorigenic properties. PEDF is a 50,000 dalton glycoprotein created and secreted in many tissues all the way through the body. A key component of the anti-angiogenic action of PEDF is the induction of apoptosis in proliferating endothelial cells. Additionally, PEDF is capable to inhibit the activity of angiogenic factors such as VEGF and FGF-2. The neuro-protective effects of PEDF are achieved through suppression of neuronal apoptosis induced by peroxide, glutamate, or other neurotoxins. The recognition of a lipase-linked cell membrane receptor for PEDF (PEDF-R) that binds to PEDF with high affinity should facilitate further elucidation of the underlying mechanisms of this pluripotent serpin. To date, PEDF-R is the only signaling receptor known to be used by a serpin family member. The unique range of PEDF activities associate it as a potential therapeutic agent for the treatment of vasculature related neurodegenerative diseases such as age-related macular degeneration (AMD) and proliferative diabetic retinopathy (PDR). PEDF in addition has the potential to be functional in the treatment of various angiogenesis-related diseases including a number of cancers.
Synonyms
Pigment epithelium-derived factor,PEDF, Serpin-F1, SerpinF1, EPC-1, EPC1, PIG35.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized PEDF although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution PEDF Human 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 PEDF in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
MQNPASPPEE GSPDPDSTGA LVEEEDPFFK VPVNKLAAAV SNFGYDLYRV RSSMSPTTNV LLSPLSVATA LSALSLGAEQ RTESIIHRAL YYDLISSPDI HGTYKELLDT VTAPQKNLKS ASRIVFEKKL RIKSSFVAPL EKSYGTRPRV LTGNPRLDLQ EINNWVQAQM KGKLARSTKE IPDEISILLL GVAHFKGQWV TKFDSRKTSL EDFYLDEERT VRVPMMSDPK AVLRYGLDSD LSCKIAQLPL TGSMSIIFFL PLKVTQNLTL IEESLTSEFI HDIDRELKTV QAVLTVPKLK LSYEGEVTKS LQEMKLQSLF DSPDFSKITG KPIKLTQVEH RAGFEWNEDG AGTTPSPGLQ PAHLTFPLDY HLNQPFIFVL RDTDTGALLF IGKILDPRGP.
Background
About PEDF Human
Also known as “Pigment Epithelium-Derived Factor” or “SERPINF1,” PEDF is a
multifunctional protein found in vertebrates. It has anti-tumorigenic, anti-angiogenic, and
neurotrophic functions. Currently, it’s being researched as a candidate for treatment for
several conditions, including heart disease and cancer.
What’s the Function of PEDF Human Recombinant?
PEDF is created/secreted in several tissues across the body. It has a unique anti-angiogenic
action because of its induction of apoptosis in proliferating endothelial cells. Also, PEDF
can inhibit many angiogenic factors, including VEGF and FGF-2. PEDF-R is currently the
only known signaling receptor to be used by a serpin family member.

What’s the Application of PEDF Human Recombinant?
This version of PEDF is produced in E. Coli. It’s a single, non-glycosylated, polypeptide
chain that contains 400 amino acids. It has a molecular mass of 44.5 kDa, and it’s purified
by proprietary chromatographic techniques.
The main purpose of PEDF human recombinant is for research. It has the potential to
become a potential treatment for different angiogenesis-related diseases, including
various cancers. Moreover, it can become crucial during the recovery from vasculature-
related neurodegenerative illness.
Such a discovery could be revolutionary for the world, which is why more research is
needed to determine the effect of this non-inhibitory serpin on the body.

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:

Midkine Human Recombinant

NEGF-2, Neurite Growth-Promoting Factor 2, MK, Neurite outgrowth-promoting protein, Midgestation and kidney protein, Amphiregulin-associated protein, ARAP, Neurite outgrowth-promoting factor 2, FLJ27379, Midkine, MK1, NEGF2.

Product # :

CYT-192

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Description

Midkine Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 123 amino acids and having a molecular mass of 13.4kDa. The Midkine is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

Lyophilized from a 0.2µm filtered concentrated solution in 1×PBS, pH 7.4.

Purity

Greater than 95.0% 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 0.1-10 ng/ml corresponding to a specific activity of 100,000-10,000,000IU/mg.

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Introduction
Midkine (MK) is the product of a retinoic acid responsive gene. It contains 121 amino acid residues including 10 conserved cysteine residues, all of which appear to be disulphide linked.
Midkine is expressed during embryogenesis, showing an expression pattern that suggests functions in neurogenesis, cell migration, secondary organogenetic induction, and mesoderm-epithelial interaction.
The widespread downregulation of MK in the adult human is reverted in a number of cancers, in which polypeptides are able to act as both transforming growth factors and promoters of angiogenesis.
Midkine (MK), induces chemotaxis of human neutrophils and was found to trigger mobilization of intracellular calcium of these cells.
Midkine induces histamine release from rat peritoneal mast cells with a rapid response in a dose dependent manner.
Midkine is also a potent stimulator of collagen and glycosaminoglycan synthesis.
Synonyms
NEGF-2, Neurite Growth-Promoting Factor 2, MK, Neurite outgrowth-promoting protein, Midgestation and kidney protein, Amphiregulin-associated protein, ARAP, Neurite outgrowth-promoting factor 2, FLJ27379, Midkine, MK1, NEGF2.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Midkine although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Midkine 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 Midkine in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
VAKKKDKVKK GGPGSECAEW AWGPCTPSSK DCGVGFREGT CGAQTQRIRC RVPCNWKKEF GADCKYKFEN WGACDGGTGT KVRQGTLKKA RYNAQCQETI RVTKPCTPKT KAKAKAKKGK GKD.

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:

Milk Fat Globule-EGF Factor 8 Protein Mouse Recombinant

Milk fat globule-EGF factor 8 protein, isoform CRA_a, Putative uncharacterized protein, Mfge8, mCG_6301.

Product # :

CYT-1000

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Description

MFGE8 Mouse Recombinant produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 413 amino acids (23-426a.a.) and having a molecular mass of 46kDa (Molecular size on SDS-PAGE will appear at approximately 40-57kDa).MFGE8 is expressed with a 6 amino acid His-tag at C-Terminus and purified by proprietary chromatographic techniques.

Source

Sf9, Baculovirus cells.

Formulation

MFGE8 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.

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Introduction
Milk fat globule-EGF factor 8 protein (Mfge8) is pleiotropic secreted glycoprotein which promotes mammary gland morphogenesis, angiogenesis, and tumor progression. Mfge8 has also an imperative role in tissue homeostasis and the prevention of inflammation. Mfge8 functions as a bridge between phosphatidylserine on apoptotic cells and Integrin alpha V beta 3 on phagocytes, leading to the clearance of apoptotic debris.
Synonyms
Milk fat globule-EGF factor 8 protein, isoform CRA_a, Putative uncharacterized protein, Mfge8, mCG_6301.
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
ADLASGDFCD SSLCLNGGTC LTGQDNDIYC LCPEGFTGLV CNETERGPCS PNPCYNDAKC LVTLDTQRGD IFTEYICQCP VGYSGIHCET GCSTQLGMEG GAIADSQISA SSVYMGFMGL QRWGPELARL YRTGIVNAWT ASNYDSKPWI QVNLLRKMRV SGVMTQGASR AGRAEYLKTF KVAYSLDGRK FEFIQDESGG DKEFLGNLDN NSLKVNMFNP TLEAQYIKLY PVSCHRGCTL RFELLGCELH GCSEPLGLKN NTIPDSQMSA SSSYKTWNLR AFGWYPHLGR LDNQGKINAW TAQSNSAKEW LQVDLGTQRQ VTGIITQGAR DFGHIQYVAS YKVAHSDDGV QWTVYEEQGS SKVFQGNLDN NSHKKNIFEK PFMARYVRVL PVSWHNRITL RLELLGCHHH HHH.
Background
An Insight into Milk Fat Globule-EGF Factor 8 Protein (Mouse Recombinant): Characteristics, Applications, and Future Directions
Abstract
The Milk Fat Globule-EGF Factor 8 (MFG-E8) protein, particularly in its mouse recombinant form, has emerged as a pivotal player in multiple physiological processes. This paper aims to elucidate its unique characteristics, delve into current methodologies employed in its study, and chart the trajectory for future research directions.
Introduction
Milk Fat Globule-EGF Factor 8 (MFG-E8) is a glycoprotein known for its vital role in several cellular processes, including cell signaling, apoptosis, and phagocytosis. The recombinant form of MFG-E8 derived from mouse models offers a valuable tool for researchers in deciphering its biological relevance.
Characteristics of MFG-E8 (Mouse Recombinant)
1. Structural Profile: The MFG-E8 protein harbors EGF-like domains, which enable its participation in numerous cellular signaling events.
2. Expression Spectrum: While originally identified in mammary epithelial cells, its expression spectrum extends to macrophages, dendritic cells, and other tissues.
3. Biochemical Activity: It plays a key role in facilitating the phagocytic clearance of apoptotic cells by bridging these cells to phagocytes.
Methodologies Employed in MFG-E8 Research
1. Production of Recombinant MFG-E8: Using bacterial expression systems, such as E. coli, mouse MFG-E8 DNA is introduced, followed by protein purification techniques like gel filtration chromatography.
2. Assays: The phagocytosis assays employing fluorescently tagged apoptotic cells and phagocytes enable researchers to quantify MFG-E8's effectiveness in apoptotic cell clearance.
3. Immunoblotting: Through SDS-PAGE and Western blotting, the expression and purification of MFG-E8 can be monitored and validated.
4. Knockout Models: MFG-E8 knockout mice models help decipher its in vivo significance, especially concerning its immune-regulatory roles.
Original Ideas & Implications
The potential for MFG-E8, particularly in its mouse recombinant form, to serve as a therapeutic agent in autoimmune disorders remains a tantalizing prospect. Considering its role in apoptotic cell clearance, dysregulation in MFG-E8 might be implicated in the etiology of autoimmune disorders. Thus, targeting this protein therapeutically may pave the way for innovative treatments.
Conclusions & Future Directions
While the recombinant MFG-E8 protein has elucidated much about the biological implications of this protein, the horizon is rife with potential. Future research might focus on its therapeutic potential, particularly in autoimmunity and inflammation.

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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