| Code | CSB-AP002841HU |
| Abbreviation | Recombinant Human CNTF protein (Active) |
| MSDS | |
| Size | $142 |
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Ciliary neurotrophic factor (CNTF) plays a critical role in neuronal survival, differentiation, and neuroprotection, making it an essential tool for neuroscience researchers studying trophic signaling pathways. This tag-free, full-length human CNTF (1–200 aa) demonstrates robust bioactivity with an ED50 below 150 ng/mL in TF-1 cell proliferation assays, corresponding to a specific activity exceeding 6.7 × 10³ IU/mg — providing a reliable basis for neuronal and stem cell survival assays, differentiation studies, and receptor-ligand binding experiments using ELISA or SPR. Because CNTF is a non-glycosylated cytokine, E. coli expression yields a protein that is structurally and functionally equivalent to the native form, eliminating concerns about glycosylation heterogeneity that could confound quantitative assays. Purity exceeding 97% by SDS-PAGE combined with endotoxin levels below 1.0 EU/μg satisfies the criteria typical for sensitive cell-based bioassays and in vivo neuroprotection models.
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