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| Introduction | Granulocyte Colony Stimulating Factor is a growth factor and/or cytokine produced by the endothelium, macrophages and a number of other immune cells. GCSF stimulates the bone marrow to produce granulocytes and also to stimulate the survival, proliferation, differentiation and function of neutrophil granulocyte progenator cells and mature neutrophils. |
| Synonyms | CSF3, MGI-1G, GM-CSF beta, Pluripoietin, G-CSF, GCSF. |
| Source | Escherichia Coli. |
| Physical Appearance | Sterile Filtered White lyophilized (freeze-dried) powder. |
| Formulation | GCSF was lyophilized with no additives. |
| Solubility | It is recommended to reconstitute the lyophilized Granulocyte Colony Stimulating Factor in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions. |
| Stability | Lyophilized Granulocyte Colony Stimulating Factor althoµgh stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution GCSF should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles. |
| Amino Acid Sequence | The sequence of the first five N-terminal amino acids was determined and was found to be Met-Val-Pro-Leu-Val. |
| Purity | Greater than 95.0% as determined byAnalysis by RP-HPLC.Analysis by SDS-PAGE. |
| Biological Activity | The ED50 range=0.01-0.03 ng/ml corresponding to a Specific Activity of 33,4000,000-100,000,000IU/mg, determined by the dose-dependant proliferation of mouse NFS- 60cells. The optimal concentration for each specific application should be determined by an initial dose-response assay. |
| Usage | NeoScientific's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drµgs, agricultural or pesticidal products, food additives or household chemicals. |
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