| Code | CSB-AP003461MO |
| Abbreviation | Recombinant Mouse Csf1 protein, partial (Active) |
| MSDS | |
| Size | $354 |
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Macrophage colony-stimulating factor 1 (CSF-1) is a key regulator of monocyte and macrophage survival, proliferation, and differentiation, making it indispensable for studying myeloid lineage biology. This tag-free recombinant mouse Csf1 (residues 33–262) demonstrates strong signaling potency, with an ED50 below 2 ng/ml in M-NFS-60 proliferation assays corresponding to a specific activity exceeding 5.0 × 10⁵ IU/mg — performance that supports use in macrophage differentiation protocols, JAK/STAT and MAPK pathway dissection, and as a reference standard in cytokine detection assays. Endotoxin levels below 1.0 EU/μg minimize LPS-driven artifacts that can confound functional readouts in primary macrophage cultures and in vivo inflammation or tumor biology models. Purity exceeding 95% by SDS-PAGE, combined with this stringent endotoxin control, provides a suitable basis for antibody validation workflows including ELISA standard curves and Western blot positive controls.
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