[Action of alpha-methyl-dopa on waking-sleep cycles in two inbred strains of mice, C57BR and C57BL/6 (author's transl)].
Psychopharmacologia, 1975/12/31;45(2):189-96.
PMID: 175390
Abstract
The effects of alpha-methyl-Dopa at several dose levels on waking-sleep cycle of 175 mice from two inbred strains (C57BR and C57BL/6) have been studied. The results showed that each dose (25, 50, 100, 200 and 400 mg/kg), of alpha-methyl-Dopa completely suppresses paradoxical sleep (PS), after a period of sedation. Duration of PS inhibition varied as a function of dose, time of injection, and strain of mice. Using a multiple injection schedule of one injection per day for 5 consecutive days, there was suppression of nocturnal PS followed at the 4th day by rebound during day light hours.
MeSH terms
Animals; Circadian Rhythm; Dose-Response Relationship, Drug; Drug Administration Schedule; Male; Methyldopa; Mice; Mice, Inbred C57BL; Mice, Inbred Strains; Sleep; Sleep, REM; Species Specificity; Wakefulness
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