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IL21 Recombinant Human Protein (Gibco™)

Recombinant Human Interleukin 21 (IL21) is a bioactive protein intended for use in cell culture applications. IL21 R, is a type I cytokine receptor and is most closely related to IL-2 Rb and IL-4 Ra. The IL21/IL21 R interaction appears to play important roles in B and T-cell proliferation after antigen stimulation and NK cell maturation.

High purity—no interference from other proteins or contaminants
High biological activity—more results with less protein
Proven compatibility—Gibco® proteins bioassayed with Gibco® media

High Purity Recombinant Bioactive Protein
Recombinant Human Interleukin 21 is one of our more than 250 available Gibco® recombinant proteins. To help ensure Gibco® growth factors are of the highest quality, each protein is analyzed for purity along with structural homogeneity to ensure a biologically active protein.

High Biological Activity
In-house activity testing of Gibco® Recombinant Proteins includes cell proliferation, cytotoxicity, chemotaxis, calcium flux, secondary cytokine up-regulation, induction of surface antigen expression, antiviral, and protease assays. Recombinant Human Interleukin 21 (IL21) specific activity is determined by the dose-dependent secretion of Interferon gamma by human natural killer lymphoma NK-92 cells.

Proven Compatibility
Gibco® proteins are bioassayed with Gibco® media. Since 1962, Gibco® has been the consistent provider of high quality media, reagents, and sera for reliable cell culture.

See our selection of recombinant Gibco® growth factors.

For Research Use Only. Not intended for animal or human diagnostic or therapeutic use.

IL3 Recombinant Human Protein (Gibco™)

Recombinant Human Interleukin 3 (IL3) is a bioactive protein intended for use in cell culture applications. IL3 provides the cytokine connection between the immune system and the hematopoietic system. For example, IL3 supports the proliferation and development of almost all types of hematopoietic progenitor cells and can act as a chemoattractant for eosinophils.

High purity—no interference from other proteins or contaminants
High biological activity—more results with less protein
Proven compatibility—Gibco® proteins bioassayed with Gibco® media

High Purity Recombinant Bioactive Protein
Recombinant Human Interleukin 3 is one of our more than 250 available Gibco® recombinant proteins. To help ensure Gibco® growth factors are of the highest quality, each protein is analyzed for purity along with structural homogeneity to ensure a biologically active protein.

High Biological Activity
In-house activity testing of Gibco® Recombinant Proteins includes cell proliferation, cytotoxicity, chemotaxis, calcium flux, secondary cytokine up-regulation, induction of surface antigen expression, antiviral, and protease assays. Recombinant Human Interleukin 3 (IL3) specific activity is determined by the dose dependent proliferation of human TF-1 cells.

Proven Compatibility
Gibco® proteins are bioassayed with Gibco® media. Since 1962, Gibco® has been the consistent provider of high quality media, reagents, and sera for reliable cell culture.

See our selection of recombinant Gibco® growth factors.

For Research Use Only. Not intended for animal or human diagnostic or therapeutic use.

IL17F Recombinant Human Protein (Gibco™)

Recombinant Human IL17F is a bioactive protein intended for use in cell culture applications. IL17F is a member of structurally related cytokines. The IL-17 family of cytokines plays a role in mediating proinflamatory responses. Recombinant Human IL17F is one of the many GIBCO® recombinant bioactive proteins available from Life Technologies. This is the 10 microgram size.

High purity—minimal interference from other proteins or contaminants
High biological activity—more results with less protein
Proven compatibility—GIBCO® proteins bioassayed with GIBCO® media

High purity recombinant bioactive protein
Recombinant human IL17F is one of more than 250 GIBCO® recombinant proteins available from Life Technologies. To help ensure GIBCO® growth factors are of the highest quality, each protein is analyzed for purity along with structural homogeneity to help ensure a biologically active protein.

High biological activity
In house activity testing includes a variety of cell proliferation, cytotaxis, calcium flux, secondary cytokine up-regulation, induction of surface antigen expression, and protease assays. Recombinant IL17F specific activity is determined by the dose-dependent induction of IL-6 secretion from NDHF Adult fibroblasts.

Proven Compatibility with GIBCO® Media
GIBCO® proteins are bioassayed with GIBCO® media. Since 1962 GIBCO® has been a consistent provider of high quality media, reagents, and sera for reliable cell culture.

We also offer a selection of growth factors for use in cell therapy applications through our GIBCO® Cell Therapy Systems (CTS™) product line.

For Research Use Only. Not intended for any animal or human therapeutic or diagnostic use.

Related links
See our selection of recombinant GIBCO® growth factors.
Learn more about the GIBCO® Cell Therapy Systems (CTS™) product line.

Soluble CD40L (TRAP) Recombinant Human Protein (Gibco™)

Recombinant Human soluble CD40 Ligand (sCD40L, TRAP) is a bioactive protein intended for use in cell culture applications. Soluble CD40L regulates B cell function by engaging CD40 on the B cell surface. This is the 10 microgram size.

High purity—no interference from other proteins or contaminants
High biological activity—more results with less protein
Proven compatibility—Gibco® proteins bioassayed with Gibco® media

High Purity Recombinant Bioactive Protein
Recombinant Human soluble CD40 Ligand is one of our more than 250 available Gibco® recombinant proteins. To help ensure Gibco® growth factors are of the highest quality, each protein is analyzed for purity along with structural homogeneity to ensure a biologically active protein.

High Biological Activity
In-house activity testing of Gibco® Recombinant Proteins includes cell proliferation, cytotoxicity, chemotaxis, calcium flux, secondary cytokine up-regulation, induction of surface antigen expression, antiviral, and protease assays. Recombinant Human soluble CD40 Ligand (sCD40L, TRAP) specific activity is determined by measuring the dose-dependent stimulation of IL-12 production by isolated human PBMC's.

Proven Compatibility
Gibco® proteins are bioassayed with Gibco® media. Since 1962, Gibco® has been the consistent provider of high quality media, reagents, and sera for reliable cell culture.

See our selection of recombinant Gibco® growth factors.

For Research Use Only. Not intended for animal or human diagnostic or therapeutic use.

LEFTY-A Recombinant Human Protein (Gibco™)

Recombinant Human LEFTY-A is a bioactive protein intended for use in cell culture applications. LEFTY-A are TGF-β ligands that inhibit TGF-β signalling. LEFTY-A have been shown to induce mitogen activated protein kinase activity.

• High purity—no interference from other proteins or contaminants
• High biological activity—more results with less protein
• Proven compatibility—Gibco® proteins bioassayed with Gibco® media

High purity recombinant bioactive protein
Recombinant Human LEFTY-A is one of our more than 250 available Gibco® recombinant proteins. To help ensure Gibco® growth factors are of the highest quality, each protein is analyzed for purity along with structural homogeneity to get a biologically active protein.

High biological activity
In-house activity testing of Gibco® Recombinant Proteins includes cell proliferation, cytotaxis, calcium flux, secondary cytokine up-regulation, induction of surface antigen expression, and protease assays. Recombinant Human LEFTY-A specific activity is determined by the dose dependent ability to inhibit BMP4induction of alkaline phosphatase production in the MC-3T3-E1 cell line.

Proven compatibility
Gibco® proteins are bioassayed with Gibco® media. Since 1962, Gibco® has been a consistent provider of high quality media, reagents, and sera for reliable cell culture.

Related links
See our selection of recombinant Gibco® growth factors.

For Research Use Only. Not intended for any animal or human therapeutic or diagnostic use.

IFN-β Recombinant Rat Protein (Gibco™)

Recombinant IFN-β is a bioacitve protein intended for use in cell culture applications. IFN-β is involved in immune responses against viral infection.

RANTES Recombinant Human Protein (Gibco™)

Recombinant RANTES is a bioactive protein intended for use in cell culture applications. RANTES functions as a chemoattractant for blood monocytes, memory T helper cells and eosinophils. It causes the release of histamine from basophils and activates eosinophils. RANTES is one of the major HIV-suppressive factors produced by CD8+ cells. It functions as one of the natural ligands for the chemokine receptor CCR5 and it suppresses in vitro replication of the R5 strains of HIV-1, which use CCR5 as a coreceptor.

IL2 Recombinant Human Protein (Gibco™)

Recombinant Human Interleukin 2 (IL2) is a bioactive protein intended for use in cell culture applications. IL2 causes proliferation of T-cells and is a central regulator of immune responses.

High purity—no interference from other proteins or contaminants
High biological activity—more results with less protein
Proven compatibility—Gibco® proteins bioassayed with Gibco® media

High Purity Recombinant Bioactive Protein
Recombinant Human Interleukin 2 is one of our more than 250 available Gibco® recombinant proteins. To help ensure Gibco® growth factors are of the highest quality, each protein is analyzed for purity along with structural homogeneity to ensure a biologically active protein.

High Biological Activity
In-house activity testing of Gibco® Recombinant Proteins includes cell proliferation, cytotoxicity, chemotaxis, calcium flux, secondary cytokine up-regulation, induction of surface antigen expression, antiviral, and protease assays. Recombinant Human Interleukin 2 (IL2) specific activity is determined by the dose dependent proliferation of mouse CTLL-2 cells.

Proven Compatibility
Gibco® proteins are bioassayed with Gibco® media. Since 1962, Gibco® has been the consistent provider of high quality media, reagents, and sera for reliable cell culture.

See our selection of recombinant Gibco® growth factors.

For Research Use Only. Not intended for animal or human diagnostic or therapeutic use.

IFN-γ Recombinant Rat Protein (Gibco™)

Recombinant IFN-γ is a bioactive protein intended for use in cell culture applications. Recombinant rat IFN-γ is intended for use in cell culture applications. IFN-γ is involved in many biological processes such as inducing the secretion of TNF-α and stimulating the release of reactive oxygen species from macrophages. It is also involved with bone growth and inhibits bone reesorption. It is antiviral and antiparasitic and inhibits the proliferation of cells.

IL6 Recombinant Human Protein (Gibco™)

Recombinant Human Interleukin 6 (IL6) is a bioactive protein intended for use in cell culture applications. IL6 is a pleiotropic cytokine involved in several cellular processes including inflammation, hematopoeisis, and immune response.

High purity—no interference from other proteins or contaminants
High biological activity—more results with less protein
Proven compatibility—Gibco® proteins bioassayed with Gibco® media

High Purity Recombinant Bioactive Protein
Recombinant Human Interleukin 6 is one of our more than 250 available Gibco® recombinant proteins. To help ensure Gibco® growth factors are of the highest quality, each protein is analyzed for purity along with structural homogeneity to ensure a biologically active protein.

High Biological Activity
In-house activity testing of Gibco® Recombinant Proteins includes cell proliferation, cytotoxicity, chemotaxis, calcium flux, secondary cytokine up-regulation, induction of surface antigen expression, antiviral, and protease assays. Recombinant Human Interleukin 6 (IL6) specific activity is determined by the dose dependent proliferation of mouse B9 cells.

Proven Compatibility
Gibco® proteins are bioassayed with Gibco® media. Since 1962, Gibco® has been the consistent provider of high quality media, reagents, and sera for reliable cell culture.

See our selection of recombinant Gibco® growth factors.

For Research Use Only. Not intended for animal or human diagnostic or therapeutic use.

TECK Recombinant Human Protein (Gibco™)

Recombinant TECK is a bioactive protein intended for use in cell culture applications. TECK displays chemotactic activity for dendritic cells, thymocytes, and activated macrophages but is inactive on peripheral blood lymphocytes and neutrophils.

IL4 Recombinant Mouse Protein (Gibco™)

Recombinant Mouse Interleukin 4 (IL4) is a bioactive protein intended for use in cell culture applications. IL4 promotes the proliferation and differentiation of activated B cells. In addition, IL4 up-regulates class II MHC antigen expression and IgE receptors.

High purity—no interference from other proteins or contaminants
High biological activity—more results with less protein
Proven compatibility—Gibco® proteins bioassayed with Gibco® media

High purity recombinant bioactive protein
Recombinant Mouse Interleukin 4 is one of our more than 250 available Gibco® recombinant proteins. To help ensure Gibco® growth factors are of the highest quality, each protein is analyzed for purity along with structural homogeneity to ensure a biologically active protein.

High biological activity
In-house activity testing of Gibco® Recombinant Proteins includes cell proliferation, cytotoxicity, chemotaxis, calcium flux, secondary cytokine up-regulation, induction of surface antigen expression, antiviral, and protease assays. Recombinant Mouse Interleukin 4 (IL4) specific activity is determined by measuring the dose-dependent proliferation of murine HT-2 cells.

Proven compatibility
Gibco® proteins are bioassayed with Gibco® media. Since 1962, Gibco® has been the consistent provider of high quality media, reagents, and sera for reliable cell culture.

See our selection of recombinant Gibco® growth factors.

For Research Use Only. Not intended for animal or human diagnostic or therapeutic use.

IL4 Recombinant Human Protein (Gibco™)

Recombinant Human Interleukin 4 (IL4) is a bioactive protein intended for use in cell culture applications. IL4 promotes the proliferation and differentiation of activated B cells. In addition, IL4 up-regulates class II MHC antigen expression and IgE receptors.

High purity—no interference from other proteins or contaminants
High biological activity—more results with less protein
Proven compatibility—Gibco® proteins bioassayed with Gibco® media

High Purity Recombinant Bioactive Protein
Recombinant Human Interleukin 4 is one of our more than 250 available Gibco® recombinant proteins. To help ensure Gibco® growth factors are of the highest quality, each protein is analyzed for purity along with structural homogeneity to ensure a biologically active protein.

High Biological Activity
In-house activity testing of Gibco® Recombinant Proteins includes cell proliferation, cytotoxicity, chemotaxis, calcium flux, secondary cytokine up-regulation, induction of surface antigen expression, antiviral, and protease assays. Recombinant Human Interleukin 4 (IL4) specific activity is determined by measuring the dose-dependent proliferation of human TF-1 cells.

Proven Compatibility
Gibco® proteins are bioassayed with Gibco® media. Since 1962, Gibco® has been the consistent provider of high quality media, reagents, and sera for reliable cell culture.

See our selection of recombinant Gibco® growth factors.

For Research Use Only. Not intended for animal or human diagnostic or therapeutic use.

RANK Ligand Recombinant Human Protein (Gibco™)

Recombinant RANK Ligand (RANKL) is a bioactive protein intended for use in cell culture applications. RANKL is a ligand for osteoprotegerin and functions as a key factor for osteoclast differentiation and activation. This protein was shown to be a dentritic cell survival factor and is involved in the regulation of T cell-dependent immune response. RANKL was shown to activate antiapoptotic kinase AKT/PKB through a signaling complex involving SRC kinase and tumor necrosis factor receptor-associated factor (TRAF) 6, which indicated this protein may have a role in the regulation of cell apoptosis.

SCF Recombinant Human Protein, Animal-Origin Free (Gibco™)

Recombinant Human Stem Cell Factor (SCF, c-kit Ligand) is a bioactive protein intended for use in cell culture applications. SCF is a pleiotropic factor that acts in utero in germ cell and neural cell development, and hematopoiesis, all believed to reflect a role in cell migration. In adults, it functions pleiotropically, while mostly noted for its continued requirement in hematopoiesis.

High purity—no interference from other proteins or contaminants
High biological activity—more results with less protein
Proven compatibility—Gibco® proteins bioassayed with Gibco® media

High purity recombinant bioactive protein
Recombinant Human Stem Cell Factor is one of our more than 250 available Gibco® recombinant proteins. To help ensure Gibco® growth factors are of the highest quality, each protein is analyzed for purity along with structural homogeneity to ensure a biologically active protein.

High biological activity
In-house activity testing of Gibco® Recombinant Proteins includes cell proliferation, cytotoxicity, chemotaxis, calcium flux, secondary cytokine up-regulation, induction of surface antigen expression, antiviral, and protease assays. Recombinant Human Stem Cell Factor (SCF, c-kit Ligand) specific activity is determined by the dose dependent proliferation of human MO-7e cells.

Proven compatibility
Gibco® proteins are bioassayed with Gibco® media. Since 1962, Gibco® has been the consistent provider of high quality media, reagents, and sera for reliable cell culture.

See our selection of recombinant Gibco® growth factors.

For Research Use Only. Not intended for animal or human diagnostic or therapeutic use.