Description Macrophage Colony-Stimulating Factor 1 (M-CSF) Human, E. coli Recombinant Protein is a disulfide linked homodimer, non-glycosylated, polypeptide chain containing 2 x 159 amino acids and has a total molecular mass of 37.1 kDa. Human M-CSF is purified by proprietary chromatographic techniques. Summary Macrophage colony-stimulating factor (M-CSF) is a cytokine that plays an essential role in the regulation of survival, proliferation and differentiation of hematopoietic precursor cells, especially mononuclear phagocytes, such as macrophages and monocytes. Promotes the release of proinflammatory chemokines, and thereby plays an important role in innate immunity and in inflammatory processes. Plays an important role in the regulation of osteoclast proliferation and differentiation, the regulation of bone resorption, and is required for normal bone development. Required for normal male and female fertility. Promotes reorganization of the actin cytoskeleton, regulates formation of membrane ruffles, cell adhesion and cell migration. Plays a role in lipoprotein clearance. [Reference: UniProtKB - A0A024R0A1 (CSF1_HUMAN)]. CAS Registry No. 81627-83-0 Other Names Bioactive Human M-CSF, CSF-1, CSF1 gene product, MCSF Amino Acid Sequence MEEVSEYCSH MIGSGHLQSL QRLIDSQMET SCQITFEFVD QEQLKDPVCY LKKAFLLVQD IMEDTMRFRD NTPNAIAIVQ LQELSLRLKS CFTKDYEEHD KACVRTFYET PLQLLEKVKN VFNETKNLLD KDWNIFSKNC NNSFAECSSQ GHERQSEGS. Source E. coli Formulation Sterile filtered white lyophilized (freeze-dried) powder. The protein was lyophilized with 10mM sodium Phosphate, pH-8.0 and 50mM NaCl. Purity Greater than 95.0% as determined by SDS-PAGE. Biological Activity The ED50, calculated by the dose-dependent stimulation of the proliferation of murine M-NFS-60 indicator cells, was found to be 1.15 ng/ml corresponding to a specific activity of 8.7x105 Units/mg (Specific activity may vary slightly between each lot, please refer to the datasheet enclosed with your shipment). Reconstitution It is recommended to reconstitute the lyophilized M-CSF in sterile 18M-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions. Shipping At ambient temperature. Upon receipt, store the product at the temperature recommended below. Storage/Expiration Lyophilized M-CSF, although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution MCSF should be stored at 4°C between 2-7 days and for future use below -18°C. Please prevent freeze-thaw cycles. Usage This product is intended for Laboratory Research Use Only. Not for use in diagnostic or therapeutic procedures. This product may not be used as a pharmaceutical or veterinary drug, agricultural product, or food additive. Resources Product Datasheet (PDS) Related Products Cytokines & Growth Factors ISOkine® M-CSF Human, Animal-Free Recombinant Protein M-CSF Human, His Tag, E. coli Recombinant Protein M-CSF Human, Baculovirus Recombinant Protein M-CSF Human, His Tag, Sf9 Insect Cells Recombinant Protein M-CSF Mouse, E. coli Recombinant Protein M-CSF Mouse, His Tag, Sf9 Insect Cells Recombinant Protein M-CSF Rat, E. coli Recombinant Protein M-CSF Rat, HEK293 Recombinant Protein
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