| Code | CSB-AP001831HU |
| Abbreviation | Recombinant Human IL13 protein (Active) |
| MSDS | |
| Size | $354 |
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IL-13 drives Th2-polarized immune responses and plays a central role in allergic inflammation, fibrosis, and alternative macrophage activation, making precise recombinant forms essential for dissecting STAT6 and JAK1 signaling pathways. This tag-free recombinant human IL-13, encompassing the full mature sequence (residues 35–146), demonstrates an ED50 below 1 ng/mL in TF-1 cell proliferation assays—corresponding to a specific activity exceeding 1.0 × 10⁶ IU/mg—which provides a suitable basis for dose-response studies, Th2 differentiation assays, and use as a reference standard in cytokine detection platforms. Endotoxin levels below 1.0 EU/μg minimize LPS-driven artifacts, supporting reliable results in primary immune cell activation experiments and in vivo models of airway inflammation or fibrosis. The preparation meets the quality thresholds commonly required for antibody development workflows, including use as a coating antigen in ELISA or as a positive control in western blot validation, with purity exceeding 97% by SDS-PAGE.
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