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EnglishWe studied the effect of partial retro-inverso modification of selected peptide bonds of N-terminal tetrapeptide analogues of dermorphin (H-Tyr-D-Ala-Phe-Gly-Tyr-Pro-Ser-NH2). Among the 14 compounds synthesized and tested for opioid activity, some tetrapeptides have the C-terminus carrying different amide moieties; retromodifications concern the Phe-Gly bond (Ia-f) and/or the C-terminal carboxamide function (IIIa-d, IIa-d). All pseudotetrapeptide derivatives showed opioid activity in vitro and in vivo. The most potent compounds (II) have a biological potency comparable with that of the original tetrapeptides in the guinea pig ileum preparation and in the mouse tail-flick test after intracerebral or subcutaneous administration.
Synthesis and pharmacological activity of partially modified retro-inverso dermorphin tetrapeptides / SALVADORI S; MARASTONI M; BALBONI G; SARTO GP; TOMATIS R. - 28(1985), pp. 769-774.
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| Titolo: | Synthesis and pharmacological activity of partially modified retro-inverso dermorphin tetrapeptides | |
| Autori: | ||
| Data di pubblicazione: | 1985 | |
| Rivista: | ||
| Citazione: | Synthesis and pharmacological activity of partially modified retro-inverso dermorphin tetrapeptides / SALVADORI S; MARASTONI M; BALBONI G; SARTO GP; TOMATIS R. - 28(1985), pp. 769-774. | |
| Abstract: | We studied the effect of partial retro-inverso modification of selected peptide bonds of N-terminal tetrapeptide analogues of dermorphin (H-Tyr-D-Ala-Phe-Gly-Tyr-Pro-Ser-NH2). Among the 14 compounds synthesized and tested for opioid activity, some tetrapeptides have the C-terminus carrying different amide moieties; retromodifications concern the Phe-Gly bond (Ia-f) and/or the C-terminal carboxamide function (IIIa-d, IIa-d). All pseudotetrapeptide derivatives showed opioid activity in vitro and in vivo. The most potent compounds (II) have a biological potency comparable with that of the original tetrapeptides in the guinea pig ileum preparation and in the mouse tail-flick test after intracerebral or subcutaneous administration. | |
| Handle: | http://hdl.handle.net/11584/6785 | |
| Tipologia: | 1.1 Articolo in rivista |
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