| Code | CSB-AP002161HU |
| Abbreviation | Recombinant Human TNF protein, partial (Active) |
| MSDS | |
| Size | $142 |
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TNF-α drives NF-κB and MAPK signaling cascades central to inflammation, apoptosis, and tumor microenvironment remodeling, making precise functional reagents essential for mechanistic studies. This tag-free recombinant human TNF protein (residues 77–233) demonstrates exceptional potency with an ED50 below 0.05 ng/ml in the murine L929 cytotoxicity assay, corresponding to a specific activity exceeding 2.0 × 10⁷ IU/mg—providing a suitable basis for NF-κB reporter assays, caspase-dependent apoptosis studies, and use as a reference standard in cytokine detection platforms. Endotoxin levels below 1.0 EU/μg ensure that downstream responses in primary immune cell activation experiments or in vivo tumor biology models reflect genuine TNF signaling rather than LPS-driven artifacts. Purity exceeding 98% by SDS-PAGE, combined with this stringent endotoxin control, satisfies the criteria typical for antibody development workflows including immunization, ELISA coating, and functional blocking validation.
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