| Code | CSB-AP003581HU |
| Abbreviation | Recombinant Human CSF2 protein (Active) |
| MSDS | |
| Size | $226 |
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GM-CSF drives myeloid cell proliferation, differentiation, and activation through JAK2/STAT5 and MAPK signaling, making it indispensable for immune cell functional studies. This tag-free recombinant human CSF2, encompassing the full mature sequence (aa 18–144), demonstrates potent bioactivity with an ED50 of 4–20 pg/mL in TF-1 cell proliferation assays, confirming its suitability for dose-response experiments, dendritic cell differentiation protocols, and JAK/STAT pathway activation studies. Endotoxin levels below 1.0 EU/μg eliminate LPS-driven artifacts that confound cytokine-specific readouts in primary monocyte and macrophage assays, supporting use in sensitive in vivo inflammation models and as a reference standard in GM-CSF detection assays. 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 functional blocking experiments.
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