| Code | CSB-AP002081HU |
| Abbreviation | Recombinant Human CSF2 protein (Active) |
| MSDS | |
| Size | $142 |
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GM-CSF is a pleiotropic cytokine central to myeloid cell differentiation, macrophage activation, and dendritic cell maturation, making precise recombinant forms essential for dissecting JAK/STAT5 and MAPK signaling pathways. This tag-free recombinant human CSF2 encompasses the full mature sequence (Ala18–Glu144) and demonstrates exceptional signaling potency, with an ED50 below 0.1 ng/mL in TF-1 proliferation assays corresponding to a specific activity exceeding 1.0 × 10⁷ IU/mg — providing a reliable reference standard for cytokine detection assays and a dependable positive control in ELISA or Western blot workflows. Endotoxin levels held below 1.0 EU/μg effectively minimize LPS-driven artifacts that confound immune cell functional readouts, which supports use in PBMC activation assays, dendritic cell differentiation protocols, and in vivo inflammation or tumor biology models. Purity exceeding 98% by SDS-PAGE, combined with this stringent endotoxin profile, satisfies the quality criteria typical for antibody development campaigns requiring a well-characterized immunogen or coating antigen.
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