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Sonic Hedgehog C25II Recombinant Mouse Protein (Gibco™)

Recombinant Sonic Hedgehog C25II is a bioactive protein intended for use in cell culture applications. Sonic Hedgehog is instrumental in patterning the early embryo. It has been implicated as the key inductive signal in patterning of the ventral neural tube, the anterior-posterior limb axis, and the ventral somites.

PDGF-AA Recombinant Human Protein (Gibco™)

Recombinant Human Platelet Derived Growth Factor-AA (PDGF-AA) is a bioactive protein intended for use in cell culture applications. Members of the PDGF family are mitogenic factors for cells of mesenchymal origin.

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 Platelet Derived Growth Factor-AA (PDGF-AA) 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 Platelet Derived Growth Factor-AA (PDGF-AA) specific activity is determined by measuring the PDGF dose dependent proliferation of BALB/c 3T3 fibroblasts.

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.

RANTES Recombinant Rat 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.

IL4 (Interleukin 4) CTS™ Recombinant Human Protein (Gibco™)

Recombinant 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. ED50 = 0.05 to 0.4 ng⁄mL (Specific Activity: 2.0 x 10^7 to 2.5 x 10^6 units⁄mg). The biological activity is determined by measuring the dose-dependent proliferation of human TF-1 cells. A concentration range of 0.1 to 10.0 ng⁄mL is effective for most in vitro applications.

FGF-8b Recombinant Human Protein (Gibco™)

Recombinant Human Fibroblast Growth Factor 8 B (FGF-8B) is a bioactive protein intended for use in cell culture applications. FGF-8b is one of the isoforms of FGF-8, and is involved in many biological processes including angiogenesis.

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 Fibroblast Growth Factor 8 B 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 Fibroblast Growth Factor 8 B (FGF-8B) specific activity is determined by the dose dependent proliferation of BALB/3T3 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.

SCF (C-Kit Ligand) CTS™ Recombinant Human Protein (Gibco™)

Cell Therapy Systems CTS™ Recombinant Human Stem Cell Factor (SCF) is a bioactive protein intended for use in cell culture applications, including pre-clinical and clinical cell therapy studies. SCF is a pleiotropic factor that acts in utero in germ cell and neural cell development and hematopoiesis. These activities are all believed to reflect a role in cell migration. In adults, it functions pleiotropically, while mostly noted for its continued requirement in hematopoiesis. The lyophilized, E. coli-expressed SCF CTS™ Recombinant Human is verified for activity through dose-dependent proliferation of human MO-7e cells.

Qualified—helps reduce your burden in qualifying reagents for regulatory submission in cell therapy applications
Highly Pure—minimizes interference from other proteins or contaminants
Active—get more results with less protein

Simplified Transition into Clinical Research
GIBCO® CTS™ products are of high quality and supplied with harmonized documentation such as Certificates of Analysis, Certificates of Origin, and access to authorization letters for our Drug Master Files, as appropriate. The GIBCO® CTS™ product line enables you to reduce your burden in qualifying reagents during your transition from research applications to clinical applications.

High Purity
To help verify that GIBCO® CTS™ Recombinant growth factors are of the highest quality, each protein is analyzed for purity, along with structural homogeneity, to help ensure a biologically active protein. The purity of each GIBCO® CTS™ recombinant growth factor is verified by SDS-PAGE to be over 95% and to have endotoxin levels below 0.1 ng/μg.

High Biological Activity
All GIBCO® CTS™ Recombinant growth factors are verified for activity. Each lot has its own ED50 determined using an activity assay based on a specific function of the growth factor. The activity of our SCF CTS™ Recombinant Human growth factor is determined by the dose-dependent proliferation of human MO-7e cells to have an ED50 range of 2–10 ng/mL (specific activity: 5 × 105–1 × 105 units/mg). Optimal concentration for individual applications should be determined by a dose response assay.

Related Links
Learn More About GIBCO® Cell Therapy Systems (CTS™) Products
Cell Therapy Systems Technical Support Web Page
Our Full Collection of GIBCO® CTS™ Growth Factors
Our Full Collection of GIBCO® Growth Factors

TGFA Recombinant Human Protein (Gibco™)

Recombinant TGFA is a bioactive protein intended for use in cell culture applications. TGFA shows about 40% sequence homology with epidermal growth factor and competes with EGF for binding to the EGF receptor, stimulating its phosphorylation and producing a mitogenic response.

IL2 Recombinant Mouse Protein (Gibco™)

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

VEGF Recombinant Mouse Protein (Gibco™)

Recombinant Mouse Vascular Endothelial Cell Growth Factor (VEGF) is a bioactive protein intended for use in cell culture applications. VEGF exerts angiogenic, mitogenic and vascular permeability-enhancing activities specific for endothelial cells. VEGF has also been shown to be chemotactic for monocytes and osteoblasts.

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 Vascular Endothelial Cell Growth 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 Mouse Vascular Endothelial Cell Growth Factor (VEGF) specific activity is determined by the dose dependent proliferation of human umbilical vein cells (HUVEC).

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.

HGF Recombinant Human Protein (Gibco™)

Recombinant Human Hepatocyte Growth Factor (HGF) is a bioactive protein intended for use in cell culture applications. HGF plays a role in positive regulation of cell proliferation.

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 Hepatocyte Growth 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 Hepatocyte Growth Factor (HGF) specific activity is determined by the dose dependent proliferation of monkey 4MBr-5 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.

NT-3 Recombinant Human Protein (Gibco™)

Recombinant NT-3 is a bioactive protein intended for use in cell culture applications. NT-3 is a member of the neurotrophin family, that controls survival and differentiation of mammalian neurons. This protein is closely related to both nerve growth factor and brain-derived neurotrophic factor. It may be involved in the maintenance of the adult nervous system, and may affect development of neurons in the embryo when it is expressed in human placenta.

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

Recombinant Human Granulocyte Macrophage Colony-Stimulating Factor (GM-CSF) is a bioactive protein intended for use in cell culture applications. GM-CSF is involved in many biological responses including the growth and development of granulocyte and macrophage progenitor cells, stimulation and the initiation of differentiation of myeloblasts and monoblasts, and chemotaxis of 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 Granulocyte Macrophage Colony-Stimulating 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 Granulocyte Macrophage Colony-Stimulating Factor (GM-CSF) 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.

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.

M-CSF Recombinant Mouse Protein (Gibco™)

Recombinant Mouse Macrophage Colony-Stimulating Factor (M-CSF) is a bioactive protein intended for use in cell culture applications. M-CSF is induces proliferation and differentiation of hematopoietic stem cells into macrophages and growth and differentiation of monocytes.

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 Macrophage Colony-Stimulating 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 Mouse Macrophage Colony-Stimulating Factor (M-CSF) specific activity is determined by the dose dependent proliferation of murine M-NFS-60 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.

IL8 Recombinant Swine Protein (Gibco™)

Recombinant IL8 is a bioactive protein intended for use in cell culture applications. IL8 is chemotactic for all known types of migratory immune cells. IL8 also inhibits the adhesion of leukocytes to activated endothelial cells.