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Cat. No.: MMCSF-10 (for 10μg)

Cat. No.: MMCSF-100 (for 100μg)

Cat. No.: MMCSF-500 (for 500μg)


Synonyms    

CSF1; CSF-1; colony stimulating factor 1 (macrophage); CSF-1; Lanimostim; macrophage colony stimulating factor; macrophage colony-stimulating factor 1; M-CSF; MCSFlanimostim; MGC31930


Purity    

>95% by SDS-PAGE and HPLC analyses.


Biological Activity    

Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using murine M-NFS-60 cells is less than 2ng/ml, corresponding to a specific activity of >5.0×105IU/mg.


Physical Appearance    

Sterile Filtered White lyophilized (freeze-dried) powder.


Formulation    

Lyophilized from a 0.2μm filtered solution in 20mM Tris, 500mM NaCl, pH7.4.


Endotoxin    

Less than 1EU/μg of rMuM-CSF as determined by LAL method.


Reconstitution    

We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0mg/ml. Stock solutions should be apportioned into working aliquots and stored at ≤-20℃. Further dilutions should be made in appropriate buffered solutions.


Category    

Cytokine


Background    

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 150a.a. portion that is necessary and sufficient for interaction with the receptor. The first 229a.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.


Amino Acid Sequence    

KEVSEHCSHM IGNGHLKVLQ QLIDSQMETS CQIAFEFVDQ EQLDDPVCYL KKAFFLVQDI IDETMRFKDN TPNANATERL QELSNNLNSC FTKDYEEQNK ACVRTFHETP LQLLEKIKNF FNETKNLLEK DWNIFTKNCN NSFAKCSSRD VVTKPDCNCL YPKATPSSDP ASASPHQPPA PSMAPLAGLA WDDSQRTEGS SLLPSELPLR IEDPGSAKQR PPRSTCQTLE
 

Only for research and not intended for treatment of humans or animals

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