Plasma melatonin exhibits a diurnal secretion in the common marmoset (Callithrix jacchus): relationship to the rest-activity cycle

The secretion of plasma melatonin exhibits a diurnal variation in the common marmoset (Callithrix jacchus jacchus) (n = 12) with mean values of 125.8 fmol/ml during darkness and below assay sensitivity (mean 70.5 fmol/ml) during the light period. Both melatonin secretion and the rest activity cycle...

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Bibliographic Details
Published inJournal of pineal research Vol. 8; no. 3; p. 237
Main Authors Guerin, M V, Matthews, C D
Format Journal Article
LanguageEnglish
Published England 01.04.1990
Subjects
Activity Cycles - physiology
Animals
Callitrichinae
Circadian Rhythm - physiology
Female
Lighting
Male
Melatonin - secretion
Radioimmunoassay
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Summary:The secretion of plasma melatonin exhibits a diurnal variation in the common marmoset (Callithrix jacchus jacchus) (n = 12) with mean values of 125.8 fmol/ml during darkness and below assay sensitivity (mean 70.5 fmol/ml) during the light period. Both melatonin secretion and the rest activity cycle appeared to be phase advanced with relation to the light dark cycle which is consistent with an endogenous circadian period (tau) of less than 24 h in this species.
ISSN:0742-3098
DOI:10.1111/j.1600-079x.1990.tb00683.x