- Cell permeable, potent and selective class IIb HDAC6 inhibitor (IC50 =5.02nM). Displays high selectivity over all other HDACs (IC50=3-10µM).
- Suppresses cell proliferation and promotes apoptosis in B16 cells (GI50=14.3µM) and human lymphoma cells HuT-78. Dose-dependently induces hyperacetylation of α-tubulin in B16 murine melanoma cells without elevating histone H3 acetylation.
- Induces cell cycle arrest in G1.
- HDAC6 deacetylates tubulin, HSP90 and the core histones (H2A, H2B, H3, H4). Histone deacetylases act via the formation of large multiprotein complexes. HDAC6 plays an important role in microtubule-dependent cell motility, transcriptional regulation, degradation of misfolded proteins and cell cycle and is involved in autophagy, inflammation, cancer and neurodegeneration.
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