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pubmed-article:2051303pubmed:dateCreated1991-7-25lld:pubmed
pubmed-article:2051303pubmed:abstractTextStructure-activity relationship on cholecystokinin is presented. C-terminal heptapeptide analogues of cholecystokinin exhibiting selective agonist or antagonist activities were synthesized and their biological and pharmacological properties studied. We showed that: 1) Suppression of the C-terminal phenylalanine residue leads to peripheral as well as central cholecystokinin receptor antagonists; 2) Suppression of the C-terminal amide function produces "partial agonists" exhibiting interesting biological and pharmacological activities; 3) Replacement of L-tryptophan residue by D-tryptophan in such "partial agonist analogues" resulted in potent CCK receptor antagonists; 4) The peptide bond between methionine28 and glycine29, as well as the glycine residue are quite significant for the central biological activity; 5) It is possible to obtain highly potent and selective CCK analogues for the central receptor (CCK-B) by cyclization including the C-terminal tetrapeptide. Synthesis and pharmacological studies with these analogues have allowed to precise the significance of some amino acid residues as well as of some peptide bonds. They are significant pharmacological tools for the study of CCK-A (peripheral) and CCK-B (central) receptors, their biological actions and their associated intracellular messengers.lld:pubmed
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pubmed-article:2051303pubmed:statusMEDLINElld:pubmed
pubmed-article:2051303pubmed:issn0047-2166lld:pubmed
pubmed-article:2051303pubmed:authorpubmed-author:RollandMMlld:pubmed
pubmed-article:2051303pubmed:authorpubmed-author:MartinezJJlld:pubmed
pubmed-article:2051303pubmed:authorpubmed-author:RodriguezMMlld:pubmed
pubmed-article:2051303pubmed:authorpubmed-author:LignonM FMFlld:pubmed
pubmed-article:2051303pubmed:authorpubmed-author:GalasM CMClld:pubmed
pubmed-article:2051303pubmed:authorpubmed-author:BernadNNlld:pubmed
pubmed-article:2051303pubmed:authorpubmed-author:MendreCClld:pubmed
pubmed-article:2051303pubmed:authorpubmed-author:FulcrandPPlld:pubmed
pubmed-article:2051303pubmed:authorpubmed-author:LaurJJlld:pubmed
pubmed-article:2051303pubmed:authorpubmed-author:AmblardMMlld:pubmed
pubmed-article:2051303pubmed:issnTypePrintlld:pubmed
pubmed-article:2051303pubmed:volume46lld:pubmed
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pubmed-article:2051303pubmed:pagination9-16lld:pubmed
pubmed-article:2051303pubmed:dateRevised2006-11-15lld:pubmed
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pubmed-article:2051303pubmed:articleTitle[Structure-activity relationship of cystokinins: analogs exhibiting selective activity].lld:pubmed
pubmed-article:2051303pubmed:affiliationCentre CNRS-INSERM de Pharmacologie-Endocrinologie, Montpellier, France.lld:pubmed
pubmed-article:2051303pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:2051303pubmed:publicationTypeEnglish Abstractlld:pubmed
pubmed-article:2051303pubmed:publicationTypeReviewlld:pubmed
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