The M-CSF protein regulates hematopoietic precursor cells, promoting their survival, proliferation, and differentiation. M-CSF Protein, Cynomolgus/Rhesus Macaque (HEK293, Fc) is the recombinant Rhesus Macaque, cynomolgus-derived M-CSF protein, expressed by HEK293 , with C-hFc labeled tag.