Pseudopeptide CCK-4 analogues incorporating the Psi[CH(CN)NH] peptide bond surrogate

被引:15
作者
Herrero, S [1 ]
SuarezGea, ML [1 ]
GonzalezMuniz, R [1 ]
GarciaLopez, MT [1 ]
机构
[1] UNIV NAVARRA,DEPT FISIOL & FARMACOL,E-31080 PAMPLONA,SPAIN
关键词
CHOLECYSTOKININ; RECEPTORS;
D O I
10.1016/S0960-894X(97)00107-8
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
The synthesis, binding to CCK receptors, and in vitro functional activity of pseudopeptide CCK-4 analogues incorporating the (R) or (S) Psi[CH(CN)NH] peptide bond surrogate at the Nle(31)-Asp(32) or Trp(30)-Nle(31) bonds are described. Z-Trp Psi[(S)CH(CN)NH]Nle-Asp-Phe-NH2 retained the high CCK-B receptor binding affinity of Boc-[Nle(31)]-CCK-4, and was a potent and selective CCK-B antagonist in the isolated guinea pig ileum. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码:855 / 860
页数:6
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