• Product NameRecombinant Murine Macrophage Colony Stimulating Factor
• Host SpeciesEscherichia coli.
• Purification> 95 % by SDS-PAGE and HPLC analyses.
• Biological ActivityFully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using murine M-NFS-60 cells is less than 2 ng/ml, corresponding to a specific activity of > 5.0 x10⁵ IU/mg.
• EndotoxinLess than 1 EU/ug of rMuM-CSF as determined by LAL method.
• Alternative Names    CSF-1, MGI-IM
• UniprotQ3U4F9
• Calculated MW Approximately 52.0 kDa, a disulfide-linked homodimer consisting of two 230 amino acid polypeptide chains.
• Target Sequence KEVSEHCSHM IGNGHLKVLQ QLIDSQMETS CQIAFEFVDQ EQLDDPVCYL KKAFFLVQDI IDETMRFKDN TPNANATERL QELSNNLNSC FTKDYEEQNK ACVRTFHETP LQLLEKIKNF FNETKNLLEK DWNIFTKNCN NSFAKCSSRD VVTKPDCNCL YPKATPSSDP ASASPHQPPA PSMAPLAGLA WDDSQRTEGS SLLPSELPLR IEDPGSAKQR PPRSTCQTLE
• Formulation Lyophilized from a 0.2 μm filtered solution in 20 mM Tris, 500 mM NaCl, pH 7.4.
• Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- 12 months from date of receipt, -20 to -70 ˚C as supplied.- 1 month, 2 to 8 ˚C under sterile conditions after reconstitution.- 3 months, -20 to -70 ˚C under sterile conditions after reconstitution.

Macrophage Colony Stimulating Factor (M-CSF), also named CSF-1, is a hematopoietic growth factor that is involved in the proliferation, differentiation, and survival of monocytes, macrophages, and bone marrow progenitor cells. It is produced by osteoblasts (as a result of endocrine stimulation by parathyroid hormone) exerts paracrine effects on osteoclasts and can interact with CSF1R. M-CSF is a four α-helical bundle cytokine and its active form is found extracellularly as a disulfide-linked homodimer. Four transcript variants encoding three different isoforms have been reported for M-CSF gene. Although forms may vary, all of them contain the N-terminal 150 a.a. portion that is necessary and sufficient for interaction with the receptor. The first 229 a.a. of mature mouse M-CSF shares 87 %, 83 %, 82 % and 81 % sequence identity with corresponding regions of rat, dog, cow and human M-CSF, respectively. Human M-CSF is active in the mouse, but mouse M-CSF is reported to be species-specific.

• Flow Cytometry (FCM) General Protocol
• Immunofluorescence(IC)
• Immunohistochemistry(Polymer)
• Western Blotting