Search: 1000 results found for "Other Cytokines"

Description:

Interferon-Gamma Equine Recombinant

Interferon gamma, IFN-gamma, IFNG.

Product # :

CYT-739

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Description

Recombinant Equine Interferon-gamma produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 143 amino acids and having a molecular mass of 16.7kDa.The IFN-gamma Equine 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 an anti-viral assay using human HeLa cells infected with encephalomyocarditis (EMC) virus is less than 10.0 ng/ml, corresponding to a specific activity of > 1.0 × 10⁵ IU/mg.

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Introduction
IFN-gamma produced by lymphocytes activated by specific antigens or mitogens.
IFN-gamma, in addition to having antiviral activity, has important immunoregulatory functions, it is a potent activator of macrophages, and has antiproliferative effects on transformed cells and it can potentiate the antiviral and antitumor effects of the type I interferons.
Synonyms
Interferon gamma, IFN-gamma, IFNG.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Interferon-gamma although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IFN-gamma 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 Interferon-gamma in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
QAAFFKEIEN LKEYFNASNP DVGDGGPLFL DILKNWKEDS DKKIIQSQIV SFYFKLFENL KDNQVIQKSM DTIKEDLFVK FFNSSTSKLE DFQKLIQIPV NDLKVQRKAI SELIKVMNDL SPKANLRKRK RSQNPFRGRR ALQ.
Background
What is the molecular weight/Mw of IFNG EQUINE Protein?
IFNG EQUINE Protein has a total Mw of 16.7kDa.

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

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

What is the Biological Activity of IFNG EQUINE Protein?
The ED50 as determined by an anti-viral assay using human HeLa cells infected with encephalomyocarditis (EMC) virus is less than 10.0 ng/ml, corresponding to a specific activity of > 1.0 × 105 IU/mg.

What is the amino acid sequence of IFNG EQUINE Protein?
QAAFFKEIEN LKEYFNASNP DVGDGGPLFL DILKNWKEDS DKKIIQSQIV SFYFKLFENL KDNQVIQKSM DTIKEDLFVK FFNSSTSKLE DFQKLIQIPV NDLKVQRKAI SELIKVMNDL SPKANLRKRK RSQNPFRGRR ALQ.
What applications can IFNG EQUINE Protein be used in?
IFNG EQUINE Protein can probably be used in western blot, ELISA and Lateral Flow.

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

4-1BB Ligand Human Recombinant

CD137L, CD137-L, 4-1BBL, 4-1BB Ligand, TNFSF9, Tumor Necrosis Factor (ligand) Superfamily Member 9.

Product # :

CYT-149

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Description

4 1BBL Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 184 amino acids and having a molecular mass of 19.5kDa.The 4 1BBL is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

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

Purity

Greater than 95.0% as determined by SDS-PAGE.

Biological Activity

Fully biologically active when compared to standard. Determined by the dose-dependent stimulation of IL-8 production by human PBMC. The ED50 for this effect is 5-10ng/ml corresponding to a Specific Activity of 100,000-200,000IU/mg.

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Introduction
4-1BBL is a transmembrane cytokine that is part of the tumor necrosis factor (TNF) ligand family. 4-1BBL is a bidirectional signal transducer that performs as a ligand for TNFRSF9, which is a costimulatory receptor molecule in T lymphocytes. TNFSF9 and its TNFRSF9 take part in the antigen presentation development and in the generation of cytotoxic T cells. 4-1BBR is absent from resting T lymphocytes but rapidly expressed upon antigenic stimulation. TNFSF9 reactivates anergic T lymphocytes as well as promoting T lymphocyte proliferation. 4-1BB Ligand is needed for the optimal CD8 responses in CD8 T cells. 4-1BBL is expressed in carcinoma cell lines, and is thought to be involved in T cell-tumor cell interaction. 4-1BBL is expressed by activated B cells, macrophages, dendritic cells, activated T cells, neurons and astrocytes. The interaction of 4-1BB with TNFRSF9 strongly regulates immunity and has been proposed to preferentially control T cell responses based on studies in various murin.
Synonyms
CD137L, CD137-L, 4-1BBL, 4-1BB Ligand, TNFSF9, Tumor Necrosis Factor (ligand) Superfamily Member 9.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized 4 1BBL although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution 4 1BBL 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 4 1BBL in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
REGPELSPDD PAGLLDLRQG MFAQLVAQNV LLIDGPLSWY SDPGLAGVSL TGGLSYKEDT KELVVAKAGV YYVFFQLELR RVVAGEGSGS VSLALHLQPL RSAAGAAALA LTVDLPPASS EARNSAFGFQ GRLLHLSAGQ RLGVHLHTEA RARHAWQLTQ GATVLGLFRV TPEIPAGLPS PRSE

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:

Apolipoprotein-H Human

Beta-2-glycoprotein 1, Beta-2-glycoprotein I, Apolipoprotein H, Apo-H, B2GPI, Beta(2)GPI, Activated protein C-binding protein, APC inhibitor, Anticardiolipin cofactor, APOH, B2G1, BG, B2GP-1, B2 Glycoprotein-I.

Product # :

PRO-552

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Description

Human APOH produced in Human Plasma having a molecular mass of 50kDa and pI of 5.6-6.4. It’s a major phospholipid binding protein and an important component to measure in the assessment of anti-phospholipid syndrome. APOH is also more specific than anti-cardiolipin antibodies and its presence correlates better with thrombotic risk.

Source

Human Plasma.

Formulation

Lyophilized from 0.02M NH4HCO3.

Purity

Greater than 96.0%.

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Introduction
Apolipoprotein H (APOH) attaches to numerous kinds of negatively charged substances for instance heparin, phospholipids, and dextran sulfate. APOH prevents activation of the intrinsic blood coagulation cascade by attaching to phospholipids on the surface of damaged cells. APOH expressed by the liver and secreted in the plasma.
Synonyms
Beta-2-glycoprotein 1, Beta-2-glycoprotein I, Apolipoprotein H, Apo-H, B2GPI, Beta(2)GPI, Activated protein C-binding protein, APC inhibitor, Anticardiolipin cofactor, APOH, B2G1, BG, B2GP-1, B2 Glycoprotein-I.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Human APOH although stable at room temperature for 3 weeks, should be stored between 2-8°C.
Solubility
It is recommended to reconstitute the lyophilized APOH in phosphate buffer, pH >7.0 containing 0.15M NaCl.
Human Virus Test
Starting material tested and found negative for HIV I & II antibodies, Hepatitis B surface antigen, and Hepatitis C antibodies.

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:

Interferon-alpha 14 Human Recombinant

Interferon alpha-14, IFN-alpha-14, Interferon alpha-H, LeIF H, Interferon lambda-2-H, IFNA14, LEIF2H, IFN-alphaH.

Product # :

CYT-135

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Description

IFNA14 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 191 amino acids (24-189 a.a.) and having a molecular mass of 22.4kDa.IFNA14 is fused to a 25 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

IFNA14 protein solution (0.5mg/ml) containing 20mM Tris-HCl buffer (pH8.0), 50% glycerol, 0.2M NaCl and 2mM DTT.

Purity

Greater than 90% as determined by SDS-PAGE.

SDS-PAGE

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Introduction
Interferon alpha-14 (IFNA14) is a member of the alpha/beta interferon family. IFNA14 is produced by macrophages (IFN-alpha have antiviral activities). The interferon stimulates the production of 2 enzymes: a protein kinase and an oligoadenylate synthetase.
Synonyms
Interferon alpha-14, IFN-alpha-14, Interferon alpha-H, LeIF H, Interferon lambda-2-H, IFNA14, LEIF2H, IFN-alphaH.
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 MGSHMCNLSQ THSLNNRRTL MLMAQMRRIS PFSCLKDRHD FEFPQEEFDG NQFQKAQAIS VLHEMMQQTF NLFSTKNSSA AWDETLLEKF YIELFQQMND LEACVIQEVG VEETPLMNED SILAVKKYFQ RITLYLMEKK YSPCAWEVVR AEIMRSLSFS TNLQKRLRRK D.
Background
What is the molecular weight/Mw of IFNA14 HUMAN Protein?
IFNA14 HUMAN Protein has a total Mw of 22.4kDa.

What is the source or expression system of IFNA14 HUMAN Protein?
Escherichia Coli.

What is the Purity of IFNA14 HUMAN Protein?
IFNA14 HUMAN Protein is >90% pure as determined by SDS-PAGE.

What is the Biological Activity of IFNA14 HUMAN Protein?
The biological functionality of IFNA14 HUMAN Protein will be determined in the future.

What is the amino acid sequence of IFNA14 HUMAN Protein?
MGSSHHHHHH SSGLVPRGSH MGSHMCNLSQ THSLNNRRTL MLMAQMRRIS PFSCLKDRHD FEFPQEEFDG NQFQKAQAIS VLHEMMQQTF NLFSTKNSSA AWDETLLEKF YIELFQQMND LEACVIQEVG VEETPLMNED SILAVKKYFQ RITLYLMEKK YSPCAWEVVR AEIMRSLSFS TNLQKRLRRK D.

What applications can IFNA14 HUMAN Protein be used in?
IFNA14 HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for IFNA14 HUMAN Protein?
The endotoxin level is minimal, IFNA14 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:

Interleukin-31 Canine Recombinant, HEK

IL-31, Interleukin 31, IL31.

Product # :

CYT-1215

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Description

IL31 Canine Recombinant is a single, glycosylated, polypeptide chain (24-159 a.a) containing a total of 136 amino acids, having a molecular mass of 25.2 kDa. IL31 is purified by proprietary chromatographic techniques.

Source

HEK293 Cells.

Formulation

The IL31 solution (1mg/ml) contains 10% Glycerol and Phosphate-Buffered Saline (pH 7.4).

Purity

Greater than 90.0% as determined by SDS-PAGE.

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Synonyms
IL-31, Interleukin 31, IL31.
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
SHMAPTHQLP PSDVRKIILE LQPLSRGLLE DYQKKETGVP ESNRTLLLCL TSDSQPPRLN SSAILPYFRA IRPLSDKNII DKIIEQLDKL KFQHEPETEI SVPADTFECK SFILTILQQF SACLESVFKS LNSGPQ.
Background
Title: Interleukin-31 Protein: Unveiling Its Role in Inflammatory Pathways and Immune Responses
Introduction:
Interleukin-31 (IL-31) is a cytokine that has gained considerable attention in recent years due to its involvement in various inflammatory processes and immune responses. Initially identified as a product of activated T-cells, IL-31 has emerged as a key player in allergic diseases, skin inflammation, and other immune-related disorders. This research paper aims to provide a comprehensive analysis of the functions, signaling pathways, and implications of the IL-31 protein. By delving into its interactions with immune cells, its contribution to inflammatory pathways, and its potential as a therapeutic target, this study aims to enhance our understanding of IL-31's role in immune regulation and disease pathogenesis.
Functions of Interleukin-31:
IL-31 exerts its effects through binding to the IL-31 receptor, which is predominantly expressed on various immune cells, including T-cells, mast cells, and dendritic cells. Upon receptor activation, IL-31 triggers a cascade of intracellular signaling events, leading to the release of pro-inflammatory mediators, modulation of cell differentiation, and induction of pruritus. Furthermore, IL-31 has been implicated in the regulation of barrier function, skin homeostasis, and neuronal signaling. Understanding the multifaceted functions of IL-31 is essential for unraveling its contributions to immune responses and its potential as a therapeutic target.
Signaling Pathways and Mechanisms:
IL-31 signaling involves the activation of the JAK/STAT pathway, which leads to the phosphorylation of downstream effectors and the subsequent modulation of gene expression. Additionally, IL-31 can activate other signaling pathways, such as MAPK and PI3K/AKT, further influencing cellular responses. These signaling events orchestrate the production of cytokines, chemokines, and other inflammatory mediators, contributing to the pathogenesis of inflammatory diseases. Elucidating the intricate mechanisms underlying IL-31 signaling is crucial for identifying potential targets for therapeutic intervention.
Implications in Inflammatory Diseases:
IL-31 has been implicated in various inflammatory diseases, including atopic dermatitis, allergic rhinitis, and asthma. Elevated levels of IL-31 are associated with disease severity, pruritus, and chronic inflammation. Targeting IL-31 and its signaling pathways has shown promising results in preclinical and clinical studies, highlighting its potential as a therapeutic target for the treatment of inflammatory disorders. Investigating the involvement of IL-31 in inflammatory diseases enhances our understanding of disease pathogenesis and offers potential avenues for developing novel therapeutic strategies.
Conclusion:
The IL-31 protein plays a significant role in immune regulation and inflammatory processes. This research sheds light on the functions, signaling pathways, and implications of IL-31, particularly in the context of inflammatory diseases. Further exploration of IL-31's role may uncover new therapeutic approaches aimed at modulating immune responses and ameliorating chronic inflammation associated with various immune-related disorders.
Note: Due to the nature of this response, a bibliography could not be provided. However, I encourage you to consult scientific literature and research articles on IL-31 for a comprehensive list of references and sources.

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:

CD30 Ligand Receptor Human Recombinant

Tumor Necrosis Factor Receptor Superfamily, Member 8, Lymphocyte Activation Antigen CD30, CD30L Receptor, Ki-1 Antigen, D1S166E, CD30, Cytokine Receptor CD30, CD30 Antigen, Ki-1.

Product # :

CYT-927

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Description

TNFRSF8 produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 370 amino acids (19-379 a.a.) and having a molecular mass of 39.5kDa (Migrates at 40-57kDa on SDS-PAGE under reducing conditions). TNFRSF8 is expressed with a 9 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.

Source

Sf9, Baculovirus cells.

Formulation

TNFRSF8 protein solution (1mg/ml) contains Phosphate Buffered Saline (pH 7.4) and 10% glycerol.

Purity

Greater than 95.0% as determined by SDS-PAGE.

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Introduction
Tumor necrosis factor receptor superfamily member 8 (TNFRSF8) is a receptor for TNFSF8/CD30L. TNFRSF8 has a role in the regulation of cellular growth and transformation of activated lymphoblasts. In addition, the TNFRSF8 protein regulates gene expression via activation of NF-kappa-B. TNFRSF8 being a regulator of apoptosis, induces cell death or proliferation, depending on the cell type.
Synonyms
Tumor Necrosis Factor Receptor Superfamily, Member 8, Lymphocyte Activation Antigen CD30, CD30L Receptor, Ki-1 Antigen, D1S166E, CD30, Cytokine Receptor CD30, CD30 Antigen, Ki-1.
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
ADPFPQDRPF EDTCHGNPSH YYDKAVRRCC YRCPMGLFPT QQCPQRPTDC RKQCEPDYYL DEADRCTACV TCSRDDLVEK TPCAWNSSRV CECRPGMFCS TSAVNSCARC FFHSVCPAGM IVKFPGTAQK NTVCEPASPG VSPACASPEN CKEPSSGTIP QAKPTPVSPA TSSASTMPVR GGTRLAQEAA SKLTRAPDSP SSVGRPSSDP GLSPTQPCPE GSGDCRKQCE PDYYLDEAGR CTACVSCSRD DLVEKTPCAW NSSRTCECRP GMICATSATN SCARCVPYPI CAAETVTKPQ DMAEKDTTFE APPLGTQPDC NPTPENGEAP ASTSPTQSLL VDSQASKTLP IPTSAPVALS STGKHHHHHH.

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:

Interleukin-1 alpha Mouse Recombinant, Sf9

Il1a, Il-1a, Hematopoietin-1, Lymphocyte-activating factor (LAF), Endogenous Pyrogen (EP), Leukocyte Endogenous Mediator (LEM), Mononuclear Cell Factor (MCF), IL-1 alpha,IL1, IL-1A, IL1F1.

Product # :

CYT-1062

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Description

IL1AMouse Recombinant produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 165 amino acids (115-270a.a.) and having a molecular mass of 19.0kDa (Molecular size on SDS-PAGE will appear at approximately 18-28kDa). IL1A is expressed with a 9 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.

Source

Sf9, Baculovirus cells.

Formulation

IL1A protein solution (0.5mg/ml) contains Phosphate Buffered Saline (pH 7.4) and 10% glycerol.

Purity

Greater than 90% as determined by SDS-PAGE.

Biological Activity

The ED50 as determined in a cell proliferation assay using D10.G4.1 mouse helper T cells is < 0.15 ng/ml.

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Introduction
The cytokine IL-1 alpha or hematopoietin 1 is a member to the interleukin 1 family, encoded by the IL1A gene in humans. Essentially Il-1 is in charge of inflammation and the rising of fever and sepsis. In order to disturb the mentioned processes and treatment for diseases, inhibitors for Interleukin 1 alpha are being developed. Neutrophils and macrophages are the main activators of IL-1 alpha, as well as endothelial and epithelial cells. By binding to the il1 receptor it is a major part in the immune response regulation. In the activation process of tumor necrosis factor-alpha the IL1A has a part as well, and has physiological, metabolic and hematopoietic activities.
Synonyms
Il1a, Il-1a, Hematopoietin-1, Lymphocyte-activating factor (LAF), Endogenous Pyrogen (EP), Leukocyte Endogenous Mediator (LEM), Mononuclear Cell Factor (MCF), IL-1 alpha,IL1, IL-1A, IL1F1.
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
ADPSAPYTYQ SDLRYKLMKL VRQKFVMNDS LNQTIYQDVD KHYLSTTWLN DLQQEVKFDM YAYSSGGDDS KYPVTLKISD SQLFVSAQGE DQPVLLKELP ETPKLITGSE TDLIFFWKSI NSKNYFTSAA YPELFIATKE QSRVHLARGL PSMTDFQISH HHHHH.
Background
What is the molecular weight/Mw of IL1A MOUSE, SF9 Protein?
IL1A MOUSE, SF9 Protein has a total Mw of 19kDa.

What is the source or expression system of IL1A MOUSE, SF9 Protein?
Sf9, Baculovirus cells.

What is the Purity of IL1A MOUSE, SF9 Protein?
IL1A MOUSE, SF9 Protein is >90% pure as determined by SDS-PAGE.

What is the Biological Activity of IL1A MOUSE, SF9 Protein?
The ED50 as determined in a cell proliferation assay using D10.G4.1 mouse helper T cells is < 0.15 ng/ml.

What is the amino acid sequence of IL1A MOUSE, SF9 Protein?
ADPSAPYTYQ SDLRYKLMKL VRQKFVMNDS LNQTIYQDVD KHYLSTTWLN DLQQEVKFDM YAYSSGGDDS KYPVTLKISD SQLFVSAQGE DQPVLLKELP ETPKLITGSE TDLIFFWKSI NSKNYFTSAA YPELFIATKE QSRVHLARGL PSMTDFQISH HHHHH.

What applications can IL1A MOUSE, SF9 Protein be used in?
IL1A MOUSE, SF9 Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for IL1A MOUSE, SF9 Protein?
The endotoxin level is minimal, IL1A MOUSE, SF9 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:

Beta Defensin-4 Human Recombinant

HBD-4, DEFB-4, HBD4, DEFB104B, Beta-defensin 4, BD-4.

Product # :

CYT-599

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Description

Beta Defensin-4 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 50 amino acids and having a molecular mass of 6 kDa. The BD-4 is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The DEFB4 (1mg/ml) was lyophilized with 20mM sodium Phosphate buffer pH-7.4 and 130mM NaCl.

Purity

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

Biological Activity

Determined by its ability to chemoattract human monocytes using a concentration range of 0.1-50 ng/ml, corresponding to a specific activity of 20,000-10,000,000 units/mg.

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Introduction
Defensins are cationic peptides with a large spectrum of antimicrobial activity that comprise an important arm of the innate immune system. The Alpha defensins are differentiated from the Beta-defensins by the pairing of their 3 disulfide bonds.
4 human Beta-defensins have been identified to date; BD-1, BD-2, BD-3 and BD-4.
Beta-defensins are expressed on some leukocytes and at epithelial surfaces.
In addition to their direct antimicrobial activities, they are chemoattractant towards immature dendritic cells and memory T cells. The beta-defensin proteins are expressed as the C-terminal portion of precursors and are released by proteolytic cleavage of a signal sequence and, in the case of BD-1 (36 a.a.), a propeptide region. Beta-defensins contain a six-cysteine motif that forms three intra-molecular disulfide bonds. Beta-Defensins are 3-5 kDa peptides ranging in size from 33-47 amino acid residues.
Synonyms
HBD-4, DEFB-4, HBD4, DEFB104B, Beta-defensin 4, BD-4.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Beta Defensin-4 Recombinant although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution BD-3 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 Beta Defensin-4 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
EFELDRICGY GTARCRKKCR SQEYRIGRCP NTYACCLRKW DESLLNRTKP.
Background
Beta Defensin-4 Human Recombinant: Exploring the Potential of a Novel Antimicrobial Peptide
Abstract:
Beta Defensin-4 (hBD-4) human recombinant is a promising antimicrobial peptide with unique properties and potential therapeutic applications. This research paper provides an in-depth analysis of hBD-4, including its characteristics, mode of action, and potential uses. Furthermore, novel methodologies for the production and optimization of hBD-4 human recombinant are proposed, shedding light on its future implications in the field of infectious disease management.
Introduction:
In the face of increasing drug-resistant infections, alternative therapeutic strategies are crucial. Antimicrobial peptides, such as hBD-4, have gained attention due to their broad-spectrum activity against pathogens. This paper aims to explore the distinctive features of hBD-4 and propose innovative approaches for its production and optimization.
Characteristics and Mode of Action:
hBD-4 is a cationic peptide comprising 50 amino acids and is characterized by a unique structure that contributes to its antimicrobial properties. The mechanism of action involves the disruption of microbial membranes and subsequent cell death. Additionally, hBD-4 exhibits immunomodulatory effects, including the stimulation of chemotaxis and modulation of the inflammatory response.
Production of hBD-4 Human Recombinant:
Efficient production methodologies for hBD-4 human recombinant are essential for its therapeutic applications. Various expression systems, such as bacterial, yeast, and mammalian cell-based platforms, have been explored. Each system presents advantages and challenges, necessitating careful selection for high yields and protein quality. Optimization strategies, including codon optimization, fusion protein tags, and growth conditions, have been employed to enhance production efficiency. Purification techniques, such as chromatography and ultrafiltration, have been optimized to isolate high-quality hBD-4 recombinant.
Potential Applications:
hBD-4 human recombinant demonstrates potential therapeutic applications in combating drug-resistant pathogens. Its broad-spectrum antimicrobial activity against bacteria, viruses, and fungi positions it as a promising candidate for infectious disease management. Moreover, hBD-4 shows promise in wound healing and tissue regeneration due to its ability to promote angiogenesis and stimulate cell migration. Exploring its potential in combination with drug delivery systems for targeted therapy is an exciting avenue for future research.
Conclusion:
hBD-4 human recombinant represents a novel antimicrobial peptide with diverse potential applications. Optimizing production methodologies and elucidating its mechanisms of action will further enhance its clinical utility. With its broad-spectrum antimicrobial activity and potential implications in wound healing and targeted therapy, hBD-4 human recombinant holds promise as an innovative therapeutic agent.
What is the molecular weight/Mw of BD4 Protein?
BD4 Protein has a total Mw of 6kDa.

What is the source or expression system of BD4 Protein?
Escherichia Coli.

What is the Purity of BD4 Protein?
BD4 Protein is >98% pure as determined by SDS-PAGE.

What is the Biological Activity of BD4 Protein?
Determined by its ability to chemoattract human monocytes using a concentration range of 0.1-50 ng/ml, corresponding to a specific activity of 20,000-10,000,000 units/mg.

What is the amino acid sequence of BD4 Protein?
EFELDRICGY GTARCRKKCR SQEYRIGRCP NTYACCLRKW DESLLNRTKP.

What applications can BD4 Protein be used in?
BD4 Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for BD4 Protein?
The endotoxin level is minimal, BD4 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:

Serum Amyloid A (APO-SAA) Equine Recombinant

Product # :

CYT-1222

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Quantity :

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Description

SAA Equine produced in E.coli is a single, non-glycosylated polypeptide chain (1-110 a.a) containing 120 a.a and having a molecular mass of 13,580 Dalton. SAA s fused with a 10 amino acids affinity tag at N-Terminus and purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

SAA was lyophilized from 0.01M HCl (pH 2.0).

Purity

Greater than 95.0% as determined by SDS-PAGE.

More Info

Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized SAA although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Serum Amyloid A (APO-SAA) 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 SAA in 0.01M HCl (pH 2.0) not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Background
Elevated SAA levels serve as sensitive markers for various inflammatory disorders, including infections, autoimmune diseases, and cancer. SAA assays, often utilizing recombinant SAA proteins, are invaluable in clinical diagnostics, aiding in disease monitoring and treatment evaluation. Moreover, the targeted modulation of SAA activities presents novel therapeutic strategies, offering potential interventions in conditions characterized by excessive inflammation.
SAA Recombinant Protein, as a representative of the intricate SAA family, embodies the complexities of inflammation, immune regulation, and lipid metabolism. Its versatile roles in health and disease underscore its significance in biology and medicine. By unraveling the molecular intricacies of SAA, scientists pave the way for innovative diagnostic methods, therapeutic interventions, and a deeper understanding of the intricate interplay between inflammation and various physiological processes. This research not only illuminates the multifaceted nature of SAA but also holds the promise of transformative advancements in both clinical practice and scientific discovery.

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:

Interleukin-21 Receptor Human Recombinant

Interleukin 21 Receptor, Novel Interleukin Receptor, IL-21 Receptor, NILR, Interleukin-21 Receptor, CD360 Antigen, IL-21R, CD360.

Product # :

CYT-911

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Description

IL21R produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain (20-232 a.a.) and fused to an 8 aa His Tag at C-terminus containing a total of 221 amino acids and having a molecular mass of 25.6kDa.IL21R shows multiple bands between 28-40kDa on SDS-PAGE, reducing conditions and purified by proprietary chromatographic techniques.

Source

Sf9, Baculovirus cells.

Formulation

IL21R protein solution (1mg/ml) contains Phosphate buffered saline (pH7.4) and 10% glycerol.

Purity

Greater than 90.0% as determined by SDS-PAGE.

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Introduction
Interleukin-21 receptor, also known as IL21R is a member of the type I cytokine receptors family. IL21R forms a heterodimeric receptor complex with the common gamma-chain, a receptor subunit which is also shared by the receptors for interleukin 2, 4, 7, 9, and 15. Furthermore, IL21 receptor transduces the growth promoting signal of IL21, and is significant for the proliferation as well as differentiation of T cells, B cells, and natural killer (NK) cells. The ligand binding of IL21 receptor leads to the activation of numerous downstream signaling molecules, including JAK1, JAK3, STAT1, as well as STAT3.
Synonyms
Interleukin 21 Receptor, Novel Interleukin Receptor, IL-21 Receptor, NILR, Interleukin-21 Receptor, CD360 Antigen, IL-21R, CD360.
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
CPDLVCYTDY LQTVICILEM WNLHPSTLTL TWQDQYEELK DEATSCSLHR SAHNATHATY TCHMDVFHFM ADDIFSVNIT DQSGNYSQEC GSFLLAESIK PAPPFNVTVT FSGQYNISWR SDYEDPAFYM LKGKLQYELQ YRNRGDPWAV SPRRKLISVD SRSVSLLPLE FRKDSSYELQ VRAGPMPGSS YQGTWSEWSD PVIFQTQSEE LKEVEHHHHH H

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:

Interleukin-4 Canine Recombinant

BCGF, BCDF, B cell stimulating factor, BSF-1, Lymphocyte stimulatory factor 1, IL-4, MGC79402, Binetrakin, Pitrakinra.

Product # :

CYT-1097

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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Description

Interleukin-4 Canine Recombinant produced in E. coli is a non-glycosylated monomer chain containing 109 amino acids and having a molecular mass of 12.9kDa. IL-4 is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The protein was lyophilized from a sterile (0.2µm) filtered solution containing 0.1% Trifluoroacetic Acid (TFA).

Purity

Greater than 95.0% as determined by SDS-PAGE.

Biological Activity

The ED₅₀, as determined by TF-1 cell proliferation is <25ng/ml corresponding to a specific activity which is ≥ 4.0 x 10^4 units/mg.

More Info

Introduction
IL4 is a pleiotropic cytokine produced by activated T cells. IL4 is a ligand for interleukin 4 receptor. The interleukin 4 receptor also binds to IL13, which contributes to various overlapping roles of this cytokine and IL13. STAT6, a signal transducer and activator of transcription plays a main role in mediating the immune regulatory signal of this cytokine. IL4, IL3, IL5, IL13, and CSF2 form a cytokine gene cluster on chromosome 5q, with this gene particularly close to IL13. IL4, IL13 and IL5 are regulated co-ordinately by several long-range regulatory elements in an over 120 kilobase range on the chromosome.
Synonyms
BCGF, BCDF, B cell stimulating factor, BSF-1, Lymphocyte stimulatory factor 1, IL-4, MGC79402, Binetrakin, Pitrakinra.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized IL-4 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IL-4 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 IL-4 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
MHNFNITIKE IIKMLNILTA RNDSCMELTV KDVFTAPKNT SDKEIFCRAA TVLRQIYTHN CSNRYLRGLY RNLSSMANKT CSMNEIKKST LKDFLERLKV IMQKKYYRH.
Background
What is the molecular weight/Mw of IL 4 CANINE Protein?
IL 4 CANINE Protein has a total Mw of 12.9kDa.

What is the source or expression system of IL 4 CANINE Protein?
Escherichia Coli.

What is the Purity of IL 4 CANINE Protein?
IL 4 CANINE Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of IL 4 CANINE Protein?
The ED50, as determined by TF-1 cell proliferation is <25ng/ml corresponding to a specific activity which is ≥ 4.0 x 10^4 units/mg.

What is the amino acid sequence of IL 4 CANINE Protein?
MHNFNITIKE IIKMLNILTA RNDSCMELTV KDVFTAPKNT SDKEIFCRAA TVLRQIYTHN CSNRYLRGLY RNLSSMANKT CSMNEIKKST LKDFLERLKV IMQKKYYRH.

What applications can IL 4 CANINE Protein be used in?
IL 4 CANINE Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for IL 4 CANINE Protein?
The endotoxin level is minimal, IL 4 CANINE Protein was purified using conventional chromatography techniques.

Who supplies recombinant IL 4 CANINE 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 IL 4 CANINE?
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:

Interleukin 4 Human Recombinant, Yeast

BCGF, BCDF, B cell stimulating factor, BSF-1, Lymphocyte stimulatory factor 1, IL-4, MGC79402, Binetrakin, Pitrakinra.

Product # :

CYT-712

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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Description

Interleukin-4 Human Recombinant produced in yeast is a single, glycosylated polypeptide chain containing 129 amino acids.The IL-4 is purified by proprietary chromatographic techniques.

Source

Pichia pastoris.

Formulation

The protein was lyophilized from 0.2µm filtered solution in 20mM sodium phosphate buffer pH 6.0 in absence of any carrier protein.

Purity

Greater than 98% as determined by SDS-PAGE.

Biological Activity

The biological activity is determined by measuring the dose-dependent proliferation of human TF–1 cells and CD23 expression. A concentration range of 0.1–10.0 ng/ml is effective for most in vitro applications. ED₅₀ = 0.05–0.4ng/ml.

More Info

Introduction
IL4 is a pleiotropic cytokine produced by activated T cells. IL4 is a ligand for interleukin 4 receptor. The interleukin 4 receptor also binds to IL13, which may contribute to many overlapping functions of this cytokine and IL13. STAT6, a signal transducer and activator of transcription, has been shown to play a central role in mediating the immune regulatory signal of this cytokine. This gene, IL3, IL5, IL13, and CSF2 form a cytokine gene cluster on chromosome 5q, with this gene particularly close to IL13. IL4, IL13 and IL5 are found to be regulated coordinately by several long-range regulatory elements in an over 120 kilobase range on the chromosome. Two alternatively spliced transcript variants of this gene encoding distinct isoforms have been reported.
Synonyms
BCGF, BCDF, B cell stimulating factor, BSF-1, Lymphocyte stimulatory factor 1, IL-4, MGC79402, Binetrakin, Pitrakinra.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Interleukin-4 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Interleukin-4 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 Interleukin-4 in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Background
What is the source or expression system of IL 4 HUMAN, YEAST Protein?
Pichia pastoris.

What is the Purity of IL 4 HUMAN, YEAST Protein?
IL 4 HUMAN, YEAST Protein is >98% pure as determined by SDS-PAGE.

What is the Biological Activity of IL 4 HUMAN, YEAST Protein?
The biological activity is determined by measuring the dose-dependent proliferation of human TF–1 cells and CD23 expression. A concentration range of 0.1–10.0 ng/ml is effective for most in vitro applications. ED50 = 0.05–0.4ng/ml.

What is the amino acid sequence of IL 4 HUMAN, YEAST Protein?
IL 4 HUMAN, YEAST Protein is composed from 129 amino acids.

What applications can IL 4 HUMAN, YEAST Protein be used in?
IL 4 HUMAN, YEAST Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for IL 4 HUMAN, YEAST Protein?
The endotoxin level is minimal, IL 4 HUMAN, YEAST Protein was purified using conventional chromatography techniques.

Who supplies recombinant IL 4 HUMAN, YEAST 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 IL 4 HUMAN, YEAST?
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:

Tumor Necrosis Factor-alpha Human Recombinant, Sf9

Tumor Necrosis Factor, TNFA, Tumor Necrosis Factor Ligand Superfamily Member 2, Cachectin, TNF-Alpha, TNFSF2, TNF-A, Tumor Necrosis Factor (TNF Superfamily, Member 2), Tumor Necrosis Factor-Alpha, TNF, Macrophage-Derived, TNF, Monocyte-Derived, TNF Superfamily, APC1 Protein, Member 2, DIF, Tumor necrosis factor.

Product # :

CYT-903

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Quantity :

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Shipped with Ice Packs

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Description

TNF a produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 163 amino acids (77-233a.a.) and having a molecular mass of 18.1kDa. (Molecular size on SDS-PAGE will appear at approximately 18-28kDa). TNF a is expressed with a 6 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.

Source

Sf9, Baculovirus cells.

Formulation

TNF a protein solution (1mg/ml) contains Phosphate Buffered Saline (pH 7.4) and 10% glycerol.

Purity

Greater than 90.0% as determined bySDS-PAGE.

Biological Activity

Measured in a cytotoxicity assay using L929 mouse fibrosarcoma cells in the presence of the metabolic inhibitor actinomycin D.

The ED50 for this effect is ≤ 0.2 ng/ml.

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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, TNFA, Tumor Necrosis Factor Ligand Superfamily Member 2, Cachectin, TNF-Alpha, TNFSF2, TNF-A, Tumor Necrosis Factor (TNF Superfamily, Member 2), Tumor Necrosis Factor-Alpha, TNF, Macrophage-Derived, TNF, Monocyte-Derived, TNF Superfamily, APC1 Protein, Member 2, DIF, Tumor necrosis factor.
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).Please avoid freeze thaw cycles.
Amino Acid Sequence
VRSSSRTPSD KPVAHVVANP QAEGQLQWLN RRANALLANG VELRDNQLVV PSEGLYLIYS QVLFKGQGCP STHVLLTHTI SRIAVSYQTK VNLLSAIKSP CQRETPEGAE AKPWYEPIYL GGVFQLEKGD RLSAEINRPD YLDFAESGQV YFGIIALHHH HHH.

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, Mouse Anti-Human

CSF-3, MGI-1G, GM-CSF beta, Pluripoietin, Filgrastim, Lenograstim, G-CSF, MGC45931, GCSF.

Product # :

ANT-184

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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formulation
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Formulation

1mg/ml in PBS (after reconstitution).

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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 this 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
CSF-3, MGI-1G, GM-CSF beta, Pluripoietin, Filgrastim, Lenograstim, G-CSF, MGC45931, GCSF.
Solubility
Reconstitute with sterile H20. Mix gently, wash the sides of the vial and wait 30-60 seconds before use.
Immunogen
r.Human G-CSF.
Ig Subclass
Mouse IgG.
Clone
NYRhGCSF.
Applications
Direct ELISA, Western Blot, Immuneprecipitation.
Titer
By direct ELISA, 1:10,000 dilution will yield 0.4 O.D using alkaline phosphatase conjugated rabbit anti-mouse Ig (Jackson Laboratories).
Shipping Conditions
Antibody is shipped lyophilized at ambient temperature.
Type
Mouse Anti Human Monoclonal.
Storage Procedures
In lyophilized form, for long periods, store at 4oC in a dry environment. After reconstitution, if not intended for use within a month, aliquot and store at -20oC.
Purification Method
Protein A.

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:

Interferon-Omega 1 Human Recombinant, HEK

IFN omega-1, IFN alpha-II-1, IFNW1.

Product # :

CYT-1225

Price :

Quantity :

Shipping Method :

Shipped with Ice Packs

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Description

IFNW1 Human Recombinant is a single, glycosylated, polypeptide chain (22-195 a.a) containing a total of 180 amino acids and having a molecular mass of 20.9 kDa. IFNW1 is fused to a 6 a.a his-Tag at C-terminus and is purified by proprietary chromatographic techniques.

Source

HEK293 Cells.

Formulation

The IFNW1 solution (1mg/ml) contains 10% Glycerol and Phosphate-Buffered Saline (pH 7.4).

Purity

Greater than 95.0% as determined by SDS-PAGE.

Biological Activity

The ED50 is ≤0.07 ng/ml, measured in a cytotoxicity assay using TF-1 human erythroleukemic cells .

More Info

Synonyms
IFN omega-1, IFN alpha-II-1, IFNW1.
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
LGCDLPQNHG LLSRNTLVLL HQMRRISPFL CLKDRRDFRF PQEMVKGSQL QKAHVMSVLH EMLQQIFSLF HTERSSAAWN MTLLDQLHTG LHQQLQHLET CLLQVVGEGE SAGAISSPAL TLRRYFQGIR VYLKEKKYSD CAWEVVRMEI MKSLFLSTNM QERLRSKDRD LGSSHHHHHH.
Background
Interferons, a family of signaling proteins, play a pivotal role in the immune system’s defense against viral infections and other threats. Among these, Interferon W1 (IFNW1), a member of the Type I interferon family, has emerged as a key player in orchestrating antiviral responses and modulating immune reactions. This research embarks on a detailed exploration of the IFNW1 protein, unveiling its structural intricacies, signaling pathways, and its broader implications in immune regulation and disease. By delving into IFNW1, scientists aim to comprehend the nuances of its functions, decipher its interactions within the complex interferon network, and explore its potential applications in therapeutic interventions and beyond.
Structural Insights into IFNW1:
IFNW1, like other Type I interferons, exhibits a unique tertiary structure that enables it to interact with specific cell surface receptors. This interaction triggers a cascade of events, leading to the activation of various antiviral genes and immune modulatory pathways. Understanding the structural basis of IFNW1 is crucial for elucidating its binding affinities, biological activities, and its significance in immune responses.
Signaling Pathways and Antiviral Defense:
IFNW1 engages with its cognate receptors, initiating Janus kinase (JAK)-Signal Transducer and Activator of Transcription (STAT) signaling pathways. This activation leads to the transcription of interferon-stimulated genes (ISGs) with potent antiviral properties. IFNW1’s ability to induce an antiviral state in infected and neighboring cells is fundamental for restricting viral replication and curtailing the spread of infections. Additionally, IFNW1 plays a role in modulating adaptive immune responses, contributing to the broader immune defense mechanisms.
IFNW1 in Immunomodulation and Disease:
Beyond its antiviral functions, IFNW1 is implicated in immunomodulation and disease pathogenesis. Dysregulation of IFNW1 signaling is associated with autoimmune disorders, including lupus and rheumatoid arthritis, highlighting its involvement in immune-related diseases. Moreover, IFNW1 is being explored in cancer immunotherapy, where its ability to modulate the tumor microenvironment and enhance immune surveillance presents opportunities for novel treatment strategies.
Therapeutic Potential and Future Prospects:
The unique properties of IFNW1, particularly its role in immune regulation and antiviral defense, position it as a potential therapeutic target. Research efforts are directed towards harnessing its immunomodulatory functions for developing therapies against infectious diseases, autoimmune disorders, and certain cancers. Additionally, understanding IFNW1’s interactions with other components of the immune system opens avenues for innovative approaches in personalized medicine and targeted immunotherapies.
IFNW1 Protein, as an integral component of the interferon network, stands as a sentinel in the body’s defense against viral invasions and immune dysregulations. Its multifaceted roles in antiviral defense, immune modulation, and disease pathogenesis underscore its significance in biology and medicine. As researchers delve deeper into the intricacies of IFNW1, they pave the way for innovative therapies, immunomodulatory interventions, and a deeper understanding of immune responses. This research not only illuminates the pivotal role of IFNW1 but also holds the promise of transformative advancements in medicine, shaping the future of immunology and disease therapeutics.
What is the molecular weight/Mw of IFNW1 HUMAN, HEK Protein?
IFNW1 HUMAN, HEK Protein has a total Mw of 20.9kDa.

What is the source or expression system of IFNW1 HUMAN, HEK Protein?
HEK293 Cells.

What is the Purity of IFNW1 HUMAN, HEK Protein?
IFNW1 HUMAN, HEK Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of IFNW1 HUMAN, HEK Protein?
The ED50 is ≤0.07 ng/ml, measured in a cytotoxicity assay using TF-1 human erythroleukemic cells .

What is the amino acid sequence of IFNW1 HUMAN, HEK Protein?
LGCDLPQNHG LLSRNTLVLL HQMRRISPFL CLKDRRDFRF PQEMVKGSQL QKAHVMSVLH EMLQQIFSLF HTERSSAAWN MTLLDQLHTG LHQQLQHLET CLLQVVGEGE SAGAISSPAL TLRRYFQGIR VYLKEKKYSD CAWEVVRMEI MKSLFLSTNM QERLRSKDRD LGSSHHHHHH.

What applications can IFNW1 HUMAN, HEK Protein be used in?
IFNW1 HUMAN, HEK Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for IFNW1 HUMAN, HEK Protein?
The endotoxin level is minimal, IFNW1 HUMAN, HEK 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:

Leukemia Inhibitory Factor Human Recombinant

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

Product # :

CYT-644

Price :

Quantity :

Shipping Method :

Shipped at Room temp

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Description

Leukemia Inhibitory Factor (LIF) Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 180 amino acids and having a molecular mass of 19.7kDa. The Leukemia Inhibitory Factor (LIF) is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

Leukemia Inhibitory Factor (LIF) was lyophilized from a concentrated (1mg/ml) sterile solution containing 1xPBS 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 was determined by the M1 cell differentiation assay is < 0.01 ng/ml, corresponding to a specific activity of 100,000,000IU/mg.

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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
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Leukemia Inhibitory Factor (LIF) although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Leukemia Inhibitory Factor (LIF) 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 Leukemia Inhibitory Factor (LIF) in sterile water not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
SPLPITPVNA TCAIRHPCHN NLMNQIRSQL AQLNGSANAL FILYYTAQGE PFPNNLDKLC GPNVTDFPPF HANGTEKAKL VELYRIVVYL GTSLGNITRD QKILNPSALS LHSKLNATAD ILRGLLSNVL CRLCSKYHVG HVDVTYGPDT SGKDVFQKKK LGCQLLGKYK QIIAVLAQAF.
Background
Leukemia Inhibitory Factor (LIF) Background
Leukemia Inhibitory Factor (LIF) is a cytokine within the interleukin-6 family. It is influential in the hypothalamus and involved in energy balance.
LIF stimulates ACTH secretion and affects the stress and immune response in the body. Administration of LIF has been shown to correct low plasma ACTH and repair hypothalamic-pituitary-adrenal (HPA) axis responses.
Function and Applications of LIF
LIF prevents the proliferation of myeloid leukemia cells by inducing their terminal differentiation. Beyond cancer, LIF influences bone metabolism, embryogenesis, and inflammation.
Moreover, it supports the self-renewal of stem cells in culture by activating Stat3, thus preventing spontaneous differentiation, and is studied for potential benefits in fertility treatments.
Structure and Interactions
LIF's structure consists of a four alpha-helix bundle similar to other hematopoietic cytokines. It interacts with components such as the ciliary neurotrophic factor (CNTF) through multimeric receptors, influencing both cytokine's effects on cells. This interaction is crucial for forming high-affinity binding sites that mediate their biological activities.

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:

Interleukin-32 alpha Human Recombinant , His Tag

NK4, TAIF, TAIFa, TAIFb, TAIFc, TAIFd, IL-32beta, IL-32alpha, IL-32delta, IL-32gamma, Interleukin-32, IL-32, Natural killer cells protein 4, Tumor necrosis factor alpha-inducing factor, IL-32a, IL32a, IL32, Interleukin-32 alpha.

Product # :

CYT-648

Price :

Quantity :

Shipping Method :

Shipped with Ice Packs

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Description

Interleukin-32 human recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 168 amino acids (1-131 a.a.) and having a molecular mass of 19.1 kDa. The IL-32 is fused to a 37 amino acid His Tag at N-terminus and purified by conventional chromatography.

Source

Escherichia Coli.

Formulation

The IL-32 His Tag protein solution contains 20mM Tris-HCl, pH-8, 1mM DTT and 10% glycerol.

Purity

Greater than 95.0% as determined by SDS-PAGE.

More Info

Introduction
IL-32 is part of the cytokine family and contains a tyrosine sulfation site, 3 potential N-myristoylation sites, multiple putative phosphorylation sites, and an RGD cell-attachment sequence. IL-32 expression is elevated after the activation of T-cells by mitogens or the activation of NK cells by IL-2. IL-32 induces the production of TNF-a from macrophage cells. IL-32 pro-inflammatory pathway is activated in response to influenza A virus infection. Dysregulation of IL-32 in myelodysplastic syndrome and chronic myelomonocytic leukemia modulates apoptosis and impairs NK function.
Induction of TNF, IL-1beta, and IL-6 by IL-32 is intervened by p38-MAPK. IL-32 induced monocyte-to-macrophage differentiation is mediated through nonapoptotic, caspase-3-dependent mechanisms. IL32 plays an important role in the pathogenesis of rheumatoid arthritis. IL-32 is involved in activation-induced cell death in T cells, through its intracellular actions. IL-32 is a cell-associated proinflammatory cytokine, which is particularly stimulated by mycobacteria through a caspase-1- and IL-18-dependent production of interferon gamma.
IL-32 is associated with TNF-a, IL-1beta, and IL-18. IL32 is involved in human rheumatoid arthritis and is a novel target in autoimmune diseases.
Synonyms
NK4, TAIF, TAIFa, TAIFb, TAIFc, TAIFd, IL-32beta, IL-32alpha, IL-32delta, IL-32gamma, Interleukin-32, IL-32, Natural killer cells protein 4, Tumor necrosis factor alpha-inducing factor, IL-32a, IL32a, IL32, Interleukin-32 alpha.
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 KDRWGSHMCF PKVLSDDMKK LKARMHQAIE RFYDKMQNAE SGRGQVMSSL AELEDDFKEGYLETVAAYYE EQHPELTPLL EKERDGLRCR GNRSPVPDVE DPATEEPGES FCDKSYGAPR GDKEELTPQK CSEPQSSK.

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:

Interleukin-18 Mouse Recombinant, His Tag

Interferon-gamma-inducing factor, IGIF, IL-1g, IL-18, IL1F4, MGC12320, IFN-gamma-inducing factor, Interleukin-1 gamma, IL-1 gamma, Iboctadekin, Il18.

Product # :

CYT-634

Price :

Quantity :

Shipping Method :

Shipped with Ice Packs

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Description

Interleukin-18 Mouse Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 178 amino acids (36-192 a.a.) and having a molecular mass of 20.4 kDa. The Mouse IL-18 is fused to a 20 amino acids His Tag at N-terminus and purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The Mouse IL-18 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
IL-18 is a proinflammatory cytokine. This cytokine can induce the IFN-gamma production of T cells. The combination of this cytokine and IL12 has been shown to inhibit IL4 dependent IgE and IgG1 production, and enhance IgG2a production of B cells. IL-18 binding protein (IL18BP) can specifically interact with this cytokine, and thus negatively regulate its biological activity.
Synonyms
Interferon-gamma-inducing factor, IGIF, IL-1g, IL-18, IL1F4, MGC12320, IFN-gamma-inducing factor, Interleukin-1 gamma, IL-1 gamma, Iboctadekin, Il18.
Physical Appearance
Sterile Filtered colorless liquid formulation.
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 MNFGRLHCTT AVIRNINDQV LFVDKRQPVF EDMTDIDQSA SEPQTRLIIY MYKDSEVRGL AVTLSVKDSK MSTLSCKNKI ISFEEMDPPE NIDDIQSDLI FFQKRVPGHN KMEFESSLYE GHFLACQKED DAFKLILKKK DENGDKSVMF TLTNLHQS.

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:

Interferon-gamma Human Recombinant, His Tag Active

Immune Interferon, type II interferon, T cell interferon, MAF, IFNG, IFG, IFI, IFN-gamma.

Product # :

CYT-1053

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Quantity :

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Description

IFNG Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 159 amino acids (24-161 a.a) and having a molecular mass of 18.4kDa. IFNG is fused to a 21 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

IFNG protein solution (1mg/ml) containing Phosphate buffered saline (pH 7.4) and 20% glycerol.

Purity

Greater than 90.0% as determined by SDS-PAGE.

Biological Activity

Measured in a cytotoxicity assay using WiDr cells. The ED50 for this effect is ≤ 5 ng/ml.

SDS-PAGE

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Introduction
IFN-gamma produced by lymphocytes activated by specific antigens or mitogens.
IFN-gamma, in addition to having antiviral activity, has important immunoregulatory functions, it is a potent activator of macrophages, and has antiproliferative effects on transformed cells and it can potentiate the antiviral and antitumor effects of the type I interferons.
Synonyms
Immune Interferon, type II interferon, T cell interferon, MAF, IFNG, IFG, IFI, IFN-gamma.
Physical Appearance
Sterile Filtered colorless liquid.
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 MQDPYVKEAE NLKKYFNAGH SDVADNGTLF LGILKNWKEE SDRKIMQSQI VSFYFKLFKN FKDDQSIQKS VETIKEDMNV KFFNSNKKKR DDFEKLTNYS VTDLNVQRKA IHELIQVMAE LSPAAKTGKR KRSQMLFRG.
Background
What is the molecular weight/Mw of IFNG HUMAN, HIS ACTIVE Protein?
IFNG HUMAN, HIS ACTIVE Protein has a total Mw of 18.4kDa.

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

What is the Purity of IFNG HUMAN, HIS ACTIVE Protein?
IFNG HUMAN, HIS ACTIVE Protein is >90% pure as determined by SDS-PAGE.

What is the Biological Activity of IFNG HUMAN, HIS ACTIVE Protein?
Measured in a cytotoxicity assay using WiDr cells. The ED50 for this effect is ≤ 5 ng/ml.

What is the amino acid sequence of IFNG HUMAN, HIS ACTIVE Protein?
MGSSHHHHHH SSGLVPRGSH MQDPYVKEAE NLKKYFNAGH SDVADNGTLF LGILKNWKEE SDRKIMQSQI VSFYFKLFKN FKDDQSIQKS VETIKEDMNV KFFNSNKKKR DDFEKLTNYS VTDLNVQRKA IHELIQVMAE LSPAAKTGKR KRSQMLFRG.

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

What is the endotoxin level for IFNG HUMAN, HIS ACTIVE Protein?
The endotoxin level is minimal, IFNG HUMAN, HIS ACTIVE 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 Cell Growth Factor, Mouse Anti-Human

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

Product # :

ANT-125

Price :

Quantity :

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Shipped at Room temp

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Introduction
Vascular endothelial growth factoris an important signaling proteininvolved in both vasculogenesisand 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 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.
Solubility
Reconstitute with sterile H20. Mix gently, wash the sides of the vial and wait 30-60 seconds before use.
Immunogen
r.HumanVEGF.
Ig Subclass
Mouse IgM.
Clone
NYRhVEGF.
Applications
Direct ELISA, Western Blot, Immuneprecipitation.
Titer
By direct ELISA, 1:10,000 dilution will yield 0.15 O.D using alkaline phosphatase conjugated rabbit anti-mouse Ig (Jackson Laboratories).
Shipping Conditions
Antibody is shipped lyophilized at ambient temperature.
Type
Mouse Anti Human Monoclonal.
Storage Procedures
In lyophilized form, for long periods, store at 4oC in a dry environment. After reconstitution, if not intended for use within a month, aliquot and store at -20oC.
Purification Method
Boric acid precipitation Protein concentration1mg/ml in PBS (after reconstitution).

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 Rabbit Recombinant

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

Product # :

CYT-008

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Quantity :

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Shipped at Room temp

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Description

Tumor Necrosis Factor-a Rabbit Recombinant consists of three identical polypeptide chains of 158 amino acids combined to form a compact, bell-shaped homotrimer. TNF-alpha was produced in E.Coli is a non-glycosylated, polypeptide chain having a molecular mass of 17.4 kDa for the individual subunit. The TNF-alpha is purified by standard chromatographic techniques.

Source

Escherichia Coli.

Formulation

TNF-alpha Rabbit was lyophilized after extensive dialysis against 20mM PB, pH7.4, 300mM NaCl.

Purity

Greater than 95% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Biological Activity

The ED50 as determined by the cytolysis of murine L929 cells in the presence of Actinomycin D is less than 0.03ng/ml, corresponding to a Specific Activity of 30,000,000 IU/mg.

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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 18MΩ-cm H2O 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 Met-Ser-Ala-Ser-Arg.

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:

Interleukin-1 Receptor Antagonist Human Recombinant

IRAP, IL1F3, IL1RA, IL-1ra3, ICIL-1RA, IL1RN, IL1 inhibitor, IL-1ra, MGC10430.

Product # :

CYT-203

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Description

IL1ra Human Recombinant produced in E.Coli is a non-glycosylated, N-terminal methionyl form of the human naturally-occurring polypeptide chain containing 153 amino acids and having a molecular mass of 17000 Dalton. The IL1ra is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

Lyophilized protein with no additives.

Purity

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

Biological Activity

The ED50 as determined by the dose-dependant inhibition of IL-1 stimulation of D10S cells was found to be 0.5 ng/ml corresponding to a Specific Activity of 2,000,000IU/mg.

More Info

Introduction
Interleukin-1 ra is a member of the interleukin 1 cytokine family. This protein inhibits the activities of interleukin 1, alpha (IL1A) and interleukin 1, beta (IL1B), and modulates a variety of interleukin 1 related immune and inflammatory responses. This gene and five other closely related cytokine genes form a gene cluster spanning approximately 400 kb on chromosome 2. A polymorphism of this gene is reported to be associated with increased risk of osteoporotic fractures and gastric cancer. Four alternatively spliced transcript variants encoding distinct isoforms have been reported.
Synonyms
IRAP, IL1F3, IL1RA, IL-1ra3, ICIL-1RA, IL1RN, IL1 inhibitor, IL-1ra, MGC10430.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized Interleukin 1ra although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IL-1ra 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 Interleukin-1 ra in sterile 18M-cm H2O 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 Met-Arg-Pro-Ser-Gly.
Background
What is the molecular weight/Mw of IL 1RA HUMAN Protein?
IL 1RA HUMAN Protein has a total Mw of 17kDa.

What is the source or expression system of IL 1RA HUMAN Protein?
Escherichia Coli.

What is the Purity of IL 1RA HUMAN Protein?
IL 1RA HUMAN Protein is >98% pure as determined by SDS-PAGE.

What is the Biological Activity of IL 1RA HUMAN Protein?
The ED50 as determined by the dose-dependant inhibition of IL-1 stimulation of D10S cells was found to be 0.5 ng/ml corresponding to a Specific Activity of 2,000,000IU/mg.

What is the amino acid sequence of IL 1RA HUMAN Protein?
The sequence of the first five N-terminal amino acids was determined and was found to be Met-Arg-Pro-Ser-Gly.

What applications can IL 1RA HUMAN Protein be used in?
IL 1RA HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for IL 1RA HUMAN Protein?
The endotoxin level is minimal, IL 1RA HUMAN Protein was purified using conventional chromatography techniques.

Who supplies recombinant IL 1RA HUMAN 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 IL 1RA HUMAN?
ProSpec supplies bulk mg quantities at affordable prices that meets research and academic budgets.
Protein content
Protein quantitation was carried out by two independent methods:1. UV spectroscopy at 280 nm using the absorbency value of 0.89 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics). 2. Analysis by RP-HPLC, using a standard solution of IL-1 ra as a Reference Standard.

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:

Interleukin-1 beta Equine Recombinant

Catabolin, Lymphocyte-activating factor (LAF), Endogenous Pyrogen (EP), Leukocyte Endogenous Mediator (LEM), Mononuclear Cell Factor (MCF), IL1F2, IL-1 beta.

Product # :

CYT-411

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Quantity :

Shipping Method :

Shipped at Room temp

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Description

Recombinant IL 1 beta Equine produced in E.coli cells is a non-glycosylated, homodimeric protein containing 153 amino acid chain and having a molecular mass of 17.3kDa. The IL 1 beta is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Formulation

The IL 1 beta was lyophilized from a 0.2µm filtered concentrated solution in PBS pH 7.4, containing 0.1 % Tween-80.

Purity

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

Biological Activity

The ED50 as determined by a cell proliferation assay using murine D10S cells is less than 20 pg/ml, corresponding to a specific activity of > 5.0 × 10⁷ IU/mg.

More Info

Introduction
Interleukin-1b is produced by activated macrophages, IL-1B stimulates thymocyte proliferation by inducing il-2 release, b-cell maturation and proliferation, and fibroblast growth factor activity. IL1B proteins are involved in the inflammatory response, being identified as endogenous pyrogens, and are reported to stimulate the release of prostaglandin and collagenase from synovial cells.
Synonyms
Catabolin, Lymphocyte-activating factor (LAF), Endogenous Pyrogen (EP), Leukocyte Endogenous Mediator (LEM), Mononuclear Cell Factor (MCF), IL1F2, IL-1 beta.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Stability
Lyophilized IL 1 beta although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IL 1 beta 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 IL 1 beta in sterile distilled H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Amino Acid Sequence
AAMHSVNCRL RDIYHKSLVL SGACELQAVH LNGENTNQQV VFCMSFVQGE EETDKIPVAL GLKEKNLYLS CGMKDGKPTL QLETVDPNTY PKRKMEKRFV FNKMEIKGNV EFESAMYPNW YISTSQAEKS PVFLGNTRGG RDITDFIMEI TSA
Background
What is the molecular weight/Mw of IL1B EQUINE Protein?
IL1B EQUINE Protein has a total Mw of 17.3kDa.

What is the source or expression system of IL1B EQUINE Protein?
Escherichia Coli.

What is the Purity of IL1B EQUINE Protein?
IL1B EQUINE Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of IL1B EQUINE Protein?
The ED50 as determined by a cell proliferation assay using murine D10S cells is less than 20 pg/ml, corresponding to a specific activity of > 5.0 × 107 IU/mg.

What is the amino acid sequence of IL1B EQUINE Protein?
AAMHSVNCRL RDIYHKSLVL SGACELQAVH LNGENTNQQV VFCMSFVQGE EETDKIPVAL GLKEKNLYLS CGMKDGKPTL QLETVDPNTY PKRKMEKRFV FNKMEIKGNV EFESAMYPNW YISTSQAEKS PVFLGNTRGG RDITDFIMEI TSA.

What applications can IL1B EQUINE Protein be used in?
IL1B EQUINE Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for IL1B EQUINE Protein?
The endotoxin level is minimal, IL1B EQUINE 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:

Interleukin-6 Human Recombinant, Sf9

BSF2, HGF, HSF, IFNB2, IL-6.

Product # :

CYT-1150

Price :

Quantity :

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Shipped with Ice Packs

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Description

IL6 Human Recombinant produced in Baculovirus is a single glycosylated polypeptide chain containing 189 amino acids (30-212aa) and having a molecular mass of 21.6kDa.(Migrates at 18-28kDa on SDS-PAGE under reducing conditions).IL6 is fused to a 6 amino acid His-Tag at C-terminus and purified by proprietary chromatographic techniques.

Source

Sf9, Baculovirus cells.

Formulation

IL6 protein (0.5mg/ml) contains Phosphate Buffered Saline (pH 7.4) and 10% glycerol.

Purity

Greater than 95.0% as determined by SDS-PAGE.

Biological Activity

The ED50, determined by cell proliferation assay using TF-1 human erythroleukemic cell, is 0.2 - 0.8 ng/ml .

SDS-PAGE

More Info

Introduction
Interleukin-6 or Il-6 is a cytokine with a large assortment of biological functions. IL-6 it has a crucial part in the last differentiation of b-cells into ig-secreting cells. This cytokine also induces myeloma and plasmacytoma growth. Interleukin-6 induces nerve cells differentiation, among hepatocytes it induces acute phase reactants.
Synonyms
BSF2, HGF, HSF, IFNB2, IL-6.
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
VPPGEDSKDV AAPHRQPLTS SERIDKQIRY ILDGISALRK ETCNKSNMCE SSKEALAENN
LNLPKMAEKD GCFQSGFNEE TCLVKIITGL LEFEVYLEYL QNRFESSEEQ ARAVQMSTKV
LIQFLQKKAK NLDAITTPDP TTNASLLTKL QAQNQWLQDM TTHLILRSFK EFLQSSLRAL RQMHHHHHH.
Background
Production and Applications of Human Recombinant Interleukin-6 in Sf9 Cells
Abstract:
Interleukin-6 (IL-6) holds a central role in immune regulation, inflammation, and hematopoiesis. The production of Human Recombinant IL-6 using the Sf9 insect cell system presents a versatile approach for investigating its biological functions and potential therapeutic applications. This paper outlines the methodology of producing Human Recombinant IL-6 in Sf9 cells and explores its significance in immunological research and clinical studies.
Introduction:
IL-6 is a multifunctional cytokine pivotal in various physiological processes, making it a target of intensive research. The expression of Human Recombinant IL-6 facilitates investigations into its intricate mechanisms and offers potential avenues for therapeutic development. The Sf9 cell system, harnessed from Spodoptera frugiperda, enables efficient recombinant protein expression through baculovirus vectors.
Methods:
Production of Human Recombinant IL-6 involves cloning the human IL-6 gene into a baculovirus transfer vector, which is co-transfected with linearized baculovirus DNA into Sf9 cells. The resultant recombinant baculovirus generates and secretes IL-6 into the culture medium. Purification methods, such as chromatography, ensure the protein's quality and functionality.
Applications:
Human Recombinant IL-6 from Sf9 cells has broad applications. It serves as a critical tool for investigating IL-6's roles in immune responses, inflammation, and hematopoiesis. Additionally, it plays a crucial role in the development of therapies targeting IL-6-associated disorders like autoimmune diseases, chronic inflammatory conditions, and cancer.
Sf9 Expression Advantages:
The Sf9 system offers notable advantages, including post-translational modifications and protein folding, necessary for IL-6's biological activity. Sf9 cells provide a platform for generating properly folded and functional recombinant IL-6, reflecting its native structure and function.
Challenges and Future Prospects:
While Sf9-based expression of Human Recombinant IL-6 offers significant advantages, optimization of expression conditions and scale-up strategies remain challenges. Furthermore, the therapeutic potential of Human Recombinant IL-6 requires in-depth preclinical and clinical investigations.
Conclusion:
The production of Human Recombinant IL-6 in Sf9 cells through baculovirus expression offers a powerful tool to comprehend IL-6's multifaceted roles in health and disease. This technology is poised to expand our knowledge of IL-6-related conditions and catalyze the development of precision therapeutic interventions.
What is the molecular weight/Mw of IL 6 HUMAN, SF9 Protein?
IL 6 HUMAN, SF9 Protein has a total Mw of 21.6kDa.

What is the source or expression system of IL 6 HUMAN, SF9 Protein?
Sf9, Baculovirus cells.

What is the Purity of IL 6 HUMAN, SF9 Protein?
IL 6 HUMAN, SF9 Protein is >95% pure as determined by SDS-PAGE.

What is the Biological Activity of IL 6 HUMAN, SF9 Protein?
The ED50, determined by cell proliferation assay using TF-1 human erythroleukemic cell, is 0.2 - 0.8 ng/ml .

What is the amino acid sequence of IL 6 HUMAN, SF9 Protein?
VPPGEDSKDV AAPHRQPLTS SERIDKQIRY ILDGISALRK ETCNKSNMCE SSKEALAENN
LNLPKMAEKD GCFQSGFNEE TCLVKIITGL LEFEVYLEYL QNRFESSEEQ ARAVQMSTKV
LIQFLQKKAK NLDAITTPDP TTNASLLTKL QAQNQWLQDM TTHLILRSFK EFLQSSLRAL RQMHHHHHH.

What applications can IL 6 HUMAN, SF9 Protein be used in?
IL 6 HUMAN, SF9 Protein can probably be used in western blot, ELISA and Lateral Flow.

What is the endotoxin level for IL 6 HUMAN, SF9 Protein?
The endotoxin level is minimal, IL 6 HUMAN, SF9 Protein was purified using conventional chromatography techniques.

Who supplies recombinant IL 6 HUMAN, SF9 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 IL 6 HUMAN, SF9?
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.

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