Products for Research Use Only

RecombinantM-CSF, Human

CAT: 0013-GTR18990487-01Size: 1 mgDry Ice: NoHazardous: No
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CAT#:0013-GTR18990487-01Size:1 mg
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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Description
Macrophage Colony-Stimulating Factor 1 (M-CSF), involved especially in monocytopoiesis, [1]is a hematopoietic growth factor. In mammals, it exits three isoforms, which invariably share an N-terminal 32-aa signal peptide, a 149-residue growth factor domain, a 21-residue transmembrane region and a 37-aa cytoplasmictail[2]. The biological activity of human M-CSF is maintained within the 149-aa growth factor domain[3], and it is only active in the disulfide-linked dimeric form[4], which is bonded at Cys63.Recombinant human Macrophage Colony-Stimulating Factor 1 (rhM-CSF) produced in E.coli is a disulfide-linked homodimer containing two non-glycosylated polypeptide chains of 159 amino acids each. A fully biologically active molecule, rhM-CSF has a molecular mass of 28 kDaanalyzed by non-reducing SDS-PAGE and is obtained by proprietary refolding and chromatographic techniques at GenScript.
Product Name Alternative
Macrophage Colony Stimulating Factor, CSF-1, Lanimostim, MCSF, M-CSF
Source
Escherichia coli.
Field of Research
Immunology & Inflammation
Endotoxin
< 1 EU/μg, determined by LAL method.
Purity
> 95% as analyzed by non-reducing SDS-PAGE.
Bioactivity
ED50 of 1 - 3 ng/ml, measured by cell proliferation assay of M-NFS-60, corresponding to a specific activity of 3.3 x 10ˆ5-1 x 10ˆ6 units/mg.
Form
Lyophilized after extensive dialysis against 50 mM Tris-HCl, pH 8.0.
Molecular Weight
28 kDa, observed by non-reducing SDS-PAGE.
Storage Conditions
Lyophilized recombinant human Macrophage Colony-Stimulating Factor 1 (rhM-CSF) remains stable up to 6 months at -80°C from date of receipt. Upon reconstitution, rhM-CSF should be stable up to 2 weeks at 4°C or up to 3 months at -20°C.
Notes
For research use only.
Applications Notes
Reconstituted in ddH2O or PBS or Tris-HCl, pH 8.0 at 100 μg/ml.
Preservative
Lyophilized after extensive dialysis against 50 mM Tris-HCl, pH 8.0.
AA Sequence
MEEVSEYCS HMIGSGHLQS LQRLIDSQME TSCQITFEFV DQEQLKDPVC YLKKAFLLVQ DIMEDTMRFR DNTPNAIAIV QLQELSLRLK SCFTKDYEEH DKACVRTFYE TPLQLLEKVK NVFNETKNLL DKDWNIFSKN CNNSFAECSS QGHERQSEGS