| Code | CSB-AP004201HU |
| Abbreviation | Recombinant Human IFNG protein (Active) |
| MSDS | |
| Size | $58 |
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Interferon gamma is a pleiotropic cytokine central to macrophage activation, MHC upregulation, and Th1-polarized immune responses. This tag-free recombinant human IFN-gamma, encompassing the full-length mature sequence (aa 24–166) expressed in *E. coli*, demonstrates potent bioactivity with an ED50 of 17 pg/ml in an HT-29 cytotoxicity assay—confirming robust signaling capacity suitable for JAK/STAT pathway activation studies, macrophage polarization experiments, and functional assays measuring antiviral or antiproliferative responses. Endotoxin levels below 1.0 EU/μg ensure that downstream results in primary immune cell cultures or in vivo inflammation models reflect genuine IFN-gamma signaling rather than LPS-driven artifacts. With purity exceeding 95% by SDS-PAGE, this protein also provides a suitable basis for use as a reference standard in cytokine detection assays or as a positive control in antibody validation by ELISA.
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