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编 号:F601076
分子式:C21H19F3N2O2
分子量:388.38
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生物活性:
CYM-5478 is a potent and highly selective S1P2 agonist with an EC50 of 119?nM in a TGFα-shedding assay. CYM-5478 protects neural-derived cell lines against Cisplatin toxicity.

体内研究:
CYM-5478 (1 mg/kg/day; ip) protects against Cisplatin-mediated (3 mg/kg; i.p.; once a week for 3 week) ototoxicity in rats. CYM-5478 (20 μM) treatment results in near-complete protection from cisplatin-mediated loss of neuromast viability. CYM-5478 protects against loss of hair cell viability in a zebrafish model for ototoxicity.

体外研究:
CYM-5478 activates S1P2 with an EC50 of 119?nM, has less than 25% efficacy and shows 10-fold lower potency against the other S1P receptor subtypes (EC50 of 1690 nM, 1950 nM, >10 μM, >10 μM for S1P1, S1P3, S1P4, S1P5, respectively). CYM-5478 (1, 10, 100, 1000, 10000 nM) induces a statistically significant increase in the viability of C6 cells in a dose dependent manner at concentrations above 100?nM under nutrient-deprivation stress produced by serum-starvation. This effect was absent in the presence of 10% fetal bovine serum. CYM-5478 (10?μM) causes a statistically significant, 3-fold increase in the EC50 of Cisplatin-mediated reduction in the viability of C6 glioma cells. CYM-5478 also attenuated Cisplatin-induced caspase 3/7 activity. CYM-5478 (10?μM) causes significantly attenuated the increase of ROS in C6 cells exposed to Cisplatin (20?μM; for 24?hours). CYM-5478 (20 μM) protects neural cells but not breast cancer cells against Cisplatin toxicity (C6 glioma cells: EC50=4.54 μM; GT1-7: EC50=17 μM; SK-N-BE2: EC50=7.44 μM; CLU188: EC50=5.54 μM).
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