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CAS No. : 64984-31-2
MCE 国际站:Pifithrin-μ
产品活性:Pifithrin-μ 是一种 p53 和 HSP70 的抑制剂,具有抗肿瘤和神经保护作用。
研究领域:Apoptosis | Metabolic Enzyme/Protease | Cell Cycle/DNA Damage | Autophagy
作用靶点:MDM-2/p53 | HSP | Autophagy
In Vitro: Pifithrin-μ (10 μM) is a p53 inhibitor, which inhibits p53 binding to mitochondria by reducing its affinity to antiapoptotic proteins Bcl-xL and Bcl-2 but has no effect on p53-dependent transactivation, activity of caspases 2, 8, 9 and 10 in a cell-free system, or NF-κB-dependent transcription. Pifithrin-μ (PES) time- and dose-dependently reduces viability in A549 cells, with IC50s of 44.9 and 25.7 µM at 24 h and 48 h. Pifithrin-μ (20 μM) suppresses the cell migration, induces cell cycle arrest and cell apoptosis in A549 and H460 cells. Pifithrin-μ (10 or 20 µM) inhibits activities of AKT, ERK, and Hsp70 in A549 and H460 cells. Pifithrin-μ (20 µM) sensitizes A549 and H460 cell lines to TRAIL-induced cell proliferation inhibition and apoptosis.
In Vivo: Pifithrin-μ (40 mg/kg, i.p.) shows no protective effect against doses of radiation that cause gastrointestinal syndrome in mice. Pifithrin-μ (PES, 10 mg/kg) shows antitumor effect in mice bearing A549 cells. Pifithrin-μ exhibits neuroprotective effect with the P53-inhibitor pifithrin-μ after cardiac arrest in a rodent model.
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