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M9170 Sigma

Macrophage Colony-Stimulating Factor from mouse

M-CSF, recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture

Synonym: CSF-1, M-CSF, mCSF-1, mM-CSF



Related Categories Cell Biology, Cell Culture, Cell Signaling and Neuroscience, Cytokines and Growth Factors, Cytokines, Growth Factors and Hormones,
recombinant   expressed in E. coli
assay   ≥98% (SDS-PAGE)
form   lyophilized powder
quality   endotoxin tested
mol wt   dimer mol wt 18.2 kDa (containing 156 amino acid residues)
suitability   suitable for cell culture
storage temp.   −20°C


Analysis Note

The proliferative activity is tested by the dose-dependent stimulation of the murine monocytic cell line, M-NFS-60.

Physical form

Lyophilized from a sterile filtered buffered aqueous solution.

Biochem/physiol Actions

Macrophage Colony Stimulating Factor (M-CSF), also known as CSF-1, can be produced by a number of cells, including fibroblasts, monocytes, activated macrophages, secretory epithelial cells of the endometrium, endothelial cells activated by LPS or cytokines, and bone marrow stromal cells. In addition to its namesake activity, M-CSF can stimulate the proliferation of isolated macrophages, augment the production and release of cytokines and other inflammatory modulators from macrophages, enhance macrophage antibody-dependent cell-mediated cytotoxicity, prime and enhance macrophages in their ability to kill tumor cells and other microorganisms, stimulate pinocytosis, and support osteoclast differentiation. M-CSF binds and activates a 165 kDa glycoprotein of the receptor tyrosine kinase subclass III or the RTK subfamily. Due to alternative splicing of a single M-CSF gene and due to variations in glycosylation, the molecular weight of natural soluble M-CSF ranges from 44-86 kDa. Human and mouse M-CSF share approximately 80% sequence homology in the conserved N-terminal region of 150 amino acids. Although human M-CSF is active in murine systems, mouse M-CSF appears to be species-specific in its actions.

Price and Availability

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Safety & Documentation

Safety Information

GHS07  GHS07
Signal word 
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Certificate of Origin

Protocols & Articles
Peer-Reviewed Papers


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92210 Timestrip Plus 0 °C
06693 Timestrip Plus -20 °C

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