Technical Data
Macrophage Colony Stimulator Factor, Recombinant Human (M-CSF, CSF-1, Lanimostim, Macrophage colony-stimulating factor 1 precursor, MCSF, M-CSF, MGC31930)
Molecular Biology Storage: -20CShipping: Blue Ice
This polypeptide is a disulfide-linked dimeric protein (1).

E. coli

Biological Activity:
The biological activity of human M-CSF is measured by the mouse bone marrow colony-forming assay (2). The specific activity is 6 X 107 U/mg.

Storage and Stability:
Lyophilized powder may be stored at -20C. Reconstitute to with sterile dH2O or buffer, aliquot and store at -20C. Reconstituted product is stable for 6 months at -20C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

Molecular Weight:
Source: E. coli
Purity: Purified. 92% pure by aa composition and SDS gel electrophoresis.
Concentration: As reported
Form: Supplied as a lyophilized powder in PBS, 0.1% Mannitol, 0.1M Citrate pH 6.5

Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
1. Halenbeck, R. et al. (1989) Biotechnology 7: 710-714 2. Kawasaki, E.S. et al. (1985) Science 230: 291:296 3. Suzu, S. et al. (1989) Cancer Res. 49:5913-5917

Intended for research use only. Not for use in human, therapeutic, or diagnostic applications.