| Code | CSB-AP003621HU |
| Abbreviation | Recombinant Human CSF1 protein, partial (Active) |
| MSDS | |
| Size | $290 |
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CSF1 drives macrophage survival, proliferation, and differentiation, making it a critical tool for dissecting myeloid biology and CSF1R-mediated signaling through the MAPK and JAK/STAT pathways. This recombinant human CSF1 (residues 33–255), expressed in mammalian cells with a C-terminal 6xHis tag, demonstrates strong signaling potency with an ED50 below 4.16 ng/mL in M-NFS-60 proliferation assays, confirming its suitability for functional studies including macrophage differentiation from monocytes, monocyte activation assays, and in vivo tumor-associated macrophage models. Endotoxin levels below 1.0 EU/μg eliminate LPS-driven artifacts that confound innate immune cell readouts, while purity exceeding 95% by SDS-PAGE supports use as a reference standard in M-CSF detection assays or as a coating antigen for antibody validation by ELISA. The mammalian expression system preserves native glycosylation patterns essential for proper receptor engagement and physiologically relevant downstream signaling.
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