Synthesis and activity of endomorphin-2 and morphiceptin analogues with proline surrogates in position 2

被引:27
|
作者
Giordano, Cesare [1 ]
Sansone, Anna [1 ]
Masi, Annalisa [1 ]
Lucente, Gino [1 ]
Punzi, Pasqualina [2 ]
Mollica, Adriano [3 ]
Pinnen, Francesco [3 ]
Feliciani, Federica [3 ]
Cacciatore, Ivana [3 ]
Davis, Peg [4 ]
Lai, Josephine [4 ]
Ma, Shou-Wu [4 ]
Porreca, Frank [4 ]
Hruby, Victor [5 ]
机构
[1] Univ Roma La Sapienza, CNR, Ist Chim Biomol, Dipartimento Chim & Tecnol Farmaco, I-00185 Rome, Italy
[2] Univ Roma La Sapienza, Dipartimento Chim, I-00185 Rome, Italy
[3] Univ Chieti Pescara G DAnnunzio, Dipartimento Sci Farmaco, I-00185 Rome, Italy
[4] Univ Arizona, Dept Pharmacol, Tucson, AZ 85719 USA
[5] Univ Arizona, Dept Chem, Tucson, AZ 85721 USA
基金
美国国家卫生研究院;
关键词
Endomorphins; Opioid peptides; Peptide synthesis; beta-Sulphonamido peptides; Unusual amino acids; SOLID-PHASE SYNTHESIS; MU-OPIATE RECEPTOR; OPIOID RECEPTOR; BIOLOGICAL-ACTIVITY; CYCLIC PEPTIDOSULFONAMIDES; BIOACTIVE CONFORMATION; SULFONAMIDE JUNCTION; LEU-ENKEPHALIN; AMIDE BOND; PEPTIDES;
D O I
10.1016/j.ejmech.2010.07.022
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
The opioid agonists endomorphins (Tyr-Pro-Trp-Phe-NH(2); EM1 and Tyr-Pro-Phe-Phe-NH(2); EM2) and morphiceptin (Tyr-Pro-Phe-Pro-NH(2)) exhibit an extremely high selectivity for mu-opioid receptor. Here a series of novel EM2 and morphiceptin analogues containing in place of the proline at position 2 the S and R residues of beta-homologues of proline (HPro), of 2-pyrrolidinemethanesulphonic acid (HPrs) and of 3-pyrrolidinesulphonic acid (beta Prs) have been synthesized and their binding affinity and functional activity have been investigated. The highest p-receptor affinity is shown by [(S)beta Prs(2)]EM2 analogue (6e) which represents the first example of a beta-sulphonamido analogue in the field of mold peptides. (C) 2010 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:4594 / 4600
页数:7
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