| Code | CSB-MP011652HU |
| Abbreviation | Recombinant Human IL3 protein (Active) |
| MSDS | |
| Size | $98 |
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Interleukin-3 drives the proliferation and differentiation of hematopoietic progenitor cells, making it a critical tool for dissecting early lineage commitment and myeloid cell development. This recombinant protein, spanning the full mature sequence (aa 20–152), demonstrates robust bioactivity with an ED50 of 0.3149 to 1.023 ng/mL in TF-1 cell proliferation assays, providing a quantitative benchmark for dose-response studies in hematopoietic cell expansion and JAK/STAT signaling pathway investigations. The endotoxin level below 1.0 EU/μg ensures that observed cellular responses—whether proliferation, cytokine secretion, or receptor phosphorylation—reflect IL-3-specific signaling rather than LPS-driven artifacts, a distinction essential for mechanistic immunology experiments and primary cell culture work. Purity exceeding 95% supports its use as a positive control in ELISA development, a coating antigen for antibody validation, and a defined supplement in serum-free culture systems for mast cells and basophil precursors.
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