| Code | CSB-AP001861HU |
| Abbreviation | Recombinant Human IL19 protein, partial (Active) |
| MSDS | |
| Size | $354 |
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IL-19 signals through the IL-20Rα/IL-20Rβ heterodimer to modulate epithelial and immune cell responses, making precise recombinant forms of this cytokine essential for dissecting its role in inflammatory and autoimmune pathways. This tag-free human IL-19 (residues 25–177) demonstrates strong signaling potency, with an ED50 below 1.5 ng/mL and a specific activity exceeding 6.7 × 10⁵ IU/mg in a proliferation assay using IL-20Rα/IL-20Rβ co-transfected BaF3 cells — data that supports use in cell-based functional assays such as proliferation, differentiation, and STAT3 phosphorylation studies downstream of JAK/STAT activation. Endotoxin levels below 1.0 EU/μg minimize LPS-driven artifacts, providing a suitable basis for sensitive immune cell experiments and in vivo inflammation models where confounding innate immune activation must be controlled. Purity exceeding 95% by SDS-PAGE further aligns with standards expected in antibody validation workflows, ELISA development, and use as a reference standard in cytokine detection assays.
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