| Code | CSB-AP004941HU |
| Abbreviation | Recombinant Human LTA protein (Active) |
| MSDS | |
| Size | $226 |
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Lymphotoxin-alpha is a TNF superfamily cytokine that drives NF-κB signaling and apoptotic responses central to tumor microenvironment research and immune regulation. This tag-free recombinant human LTA, covering the full mature sequence (aa 35–205) expressed in *E. coli*, demonstrates potent cytotoxic activity with an ED50 of 20–80 pg/ml in the L-929/actinomycin D assay, confirming its suitability for cell-based apoptosis and cytotoxicity studies, NF-κB and MAPK signaling pathway dissection, and use as a reference standard in cytokine detection assays. Endotoxin levels below 1.0 EU/μg minimize LPS-driven artifacts, which supports use in sensitive immune cell activation experiments and *in vivo* tumor biology models where confounding innate immune stimulation must be controlled. Purity exceeding 95% by SDS-PAGE, combined with this stringent endotoxin profile, aligns with standards expected in antibody development workflows including immunization, ELISA coating, and positive control applications.
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