Phenylalanylalanine, an in vitro inhibitor of enkephalinase, and some of its N alpha-derivatives are shown to possess an analgesic action when injected i.p. and i.c.v. into mice in the presence or absence of Leu5-enkephalin. In the second case a synergistic response is observed. The intensity of the analgesic response depends markedly on the nature of the N-terminal substituent which affects the hydrophobic character of the resulting dipeptide, its subsequent transport and probably its rate of biotransformation by cleaving enzymes.
Titolo: | Analgesic properties of N-terminal substituted phenylalanyl-alanine. | |
Autori: | ||
Data di pubblicazione: | 1983 | |
Rivista: | ||
Abstract: | Phenylalanylalanine, an in vitro inhibitor of enkephalinase, and some of its N alpha-derivatives are shown to possess an analgesic action when injected i.p. and i.c.v. into mice in the presence or absence of Leu5-enkephalin. In the second case a synergistic response is observed. The intensity of the analgesic response depends markedly on the nature of the N-terminal substituent which affects the hydrophobic character of the resulting dipeptide, its subsequent transport and probably its rate of biotransformation by cleaving enzymes. | |
Handle: | http://hdl.handle.net/11577/2989499 | |
Appare nelle tipologie: | 01.01 - Articolo in rivista |
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