中文名称:
CYN 154806; CYN154806
英文同义词:
CYN 154806;CYANAMID 154806;AC-(4-NITRO)PHE-D-CYS-TYR-D-TRP-LYS-THR-CYS-D-TYR-NH2;CYN 154806 TRIFLUOROACETATE SALT;CYANAMID 154806 trifluoroacetate salt;M.W. 1197.35 C56H68N12O14S2;CYN 154806; CYN154806;D-Tyrosinamide, N-acetyl-4-nitro-L-phenylalanyl-D-cysteinyl-L-tyrosyl-D-tryptophyl-L-lysyl-L-threonyl-L-cysteinyl-, cyclic (2→7)-disulfide
相关类别:
环肽;Somatostatin receptor
沸点
1656.2±65.0 °C(Predicted)
密度
1.47±0.1 g/cm3(Predicted)
酸度系数(pKa)
9.87±0.15(Predicted)
生物活性
CYN 154806 是一种环状八肽,是一种强效的,选择性生长抑素 sst2 受体的拮抗剂,其对人重组 sst2、sst1、sst3、sst4 和sst5 受体的 pIC50 值分别为 8.58、5.41、6.07、5.76 和 6.48。
体外研究
CYN 154806 inhibits SRIF-induced increases in extracellular acidification (EAR) in CHO-K1 cells expressing human sst2 receptors (pKB 7.92). CYN 154806 also blocks SRIF-induced increases [35S]-GTPγS binding in CHO-K1 cell membranes expressing human sst2 receptors as well as rat sst2(a) and rat sst2(b) receptors (pKB 7.81, 7.68 and 7.96, respectively).
体内研究
CYN 154806 (0.1 mg/kg; i.p.; 20 min before the administration of carbachol (CCh) (30 μg/kg) in M4 KO mice) dose-dependently and significantly reverses the decreases acid response to CCh in M4 but not M3 KO mice.