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Catalog Products » Recombinant Proteins » Growth Factors » Granulocyte Macrophage Colony Stimulating Factor (GM-CSF), Human

GM-CSF, Human

Synonyms rHuGM-CSF; GM-CSF
Description Granulocyte Macrophage-Colony Stimulating Factor (GM-CSF) was initially characterized as a growth factor that can support the in vitro colony formation of granulocyte-macrophage progenitors. Granulocyte Macrophage-Colony Stimulating Factor (GM-CSF) is produced by a number of different cell types, including activated T cells, B cells, macrophages, mast cells, endothelial cells, and fibroblasts, in response to cytokine of immune and inflammatory stimuli. Besides granulocyte-macrophage progenitors, Granulocyte Macrophage-Colony Stimulating Factor (GM-CSF) is a growth factor for erythroid, megakaryocyte, and eosinophil progenitors. On mature hematopoietic, monocytes/macrophages and eosinophils.
Human Granulocyte Macrophage-Colony Stimulating Factor (GM-CSF) can induce human endothelial cells to migrate and proliferate. Additionally, Granulocyte Macrophage-Colony Stimulating Factor (GM-CSF) can stimulate the proliferation of a number of tumor cell lines, including osteogenic sarcoma, carcinoma, and adenocarcinoma cell lines.
Species Human
Source E. coli
Biological Activity The ED50 as determined by the dose-dependant stimulation of the proliferation of human TF-1 cells (human erythroleukemic indicator cell line) is less than 0.1 ng/ml, corresponding to a Specific Activity of 1.0×107 IU/mg.

Measured Molecular Weight 14,000 Da
Purity Greater than 98% as determined by
(a) Analysis by SEC-HPLC
(b) Analysis by reducing and non-reducing SDS-PAGE silver-stained gel
Formulation The protein was lyophilized after extensive dialysis against 20mM Phosphate buffer, pH7.0, 150mM NaCl, 5% Mannitol buffer.
Reconstitution It is recommended that the lyophilized Recombinant Human Granulocyte Macrophage-Colony Stimulating Factor (GM-CSF) be reconstituted in sterile 18 MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
Endotoxin Level Less than 0.03 ng/µg (0.3 IEU/μg) determined by LAL test
Sequence Analysis The sequence of the first fifteen N-terminal amino acids has been found to be (Met)-Ala-Pro-Ala-Arg-Ser-Pro-Ser-Pro-Ser-Thr-Gln-Pro-Trp-Glu-His.
UV The maximal absorption wave is 279+/-3 nm.
Storage Lyophilized Recombinant Human Granulocyte Macrophage-Colony Stimulating Factor (GM-CSF), although stable at room temperature for three weeks, should be stored desiccated at -18°C or below. Upon reconstitution, Recombinant Human Granulocyte Macrophage-Colony Stimulating Factor (GM-CSF) may be stored at 4°C for short periods (two to seven days). For long term storage, it is recommended that a carrier protein (0.1% HSA or BSA) be added. Avoid repeated freeze-thaw cycles.
Note ;

Lenka L. .et al CD1d and CD1c Expression in Human B Cells Is Regulated by Activation and Retinoic Acid Receptor Signaling. J Immunol.2011 May 1;186(9):5261-72.

Lambert AA, .et al DCIR-mediated enhancement of HIV-1 infection requires the ITIM-associated signal transduction pathway. Blood.2011 Jun 16;117(24):6589-99.

Wang Y, .et al Characterization of pathogenic human monoclonal autoantibodies against GM-CSF. Proc Natl Acad Sci U S A.2013 May 7;110(19):7832-7.

Côté SC, .et al Dectin-1/TLR2 and NOD2 Agonists Render Dendritic Cells Susceptible to Infection by X4-Using HIV-1 and Promote cis-Infection of CD4 T Cells. PLoS One.2013 Jul 2;8(7):e67735.

Mathew M, .et al GM-CSF-DFF40: a novel humanized immunotoxin induces apoptosis in acute myeloid leukemia cells. Apoptosis.2013 Jul;18(7):882-95.

Bouchlaka MN, .et al Aging predisposes to acute inflammatory induced pathology after tumor immunotherapy. J Exp Med.2013 Oct 21;210(11):2223-37.

Djalilian HR, et al. Efficacy of an osmotic pump delivered, GM-CSF-based tumor vaccine in the treatment of upper aerodigestive squamous cell carcinoma in rats. Cancer Immunol Immunother. Aug 2007; 56(8): 1207-1214.

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Cat. No. Z00349
1 mg $2100.00