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dc.contributor.authorPrapimpun Wongchitraten_US
dc.contributor.authorMarie Paule Felder-Schmittbuhlen_US
dc.contributor.authorPiyarat Govitrapongen_US
dc.contributor.authorPansiri Phansuwan-Pujitoen_US
dc.contributor.authorValérie Simonneauxen_US
dc.contributor.otherSrinakharinwirot Universityen_US
dc.contributor.otherMahidol Universityen_US
dc.contributor.otherUniversite de Strasbourgen_US
dc.date.accessioned2018-05-03T08:01:56Z-
dc.date.available2018-05-03T08:01:56Z-
dc.date.issued2011-07-01en_US
dc.identifier.citationNeuroendocrinology. Vol.94, No.1 (2011), 75-83en_US
dc.identifier.issn14230194en_US
dc.identifier.issn00283835en_US
dc.identifier.other2-s2.0-79960932529en_US
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=79960932529&origin=inwarden_US
dc.identifier.urihttp://repository.li.mahidol.ac.th/dspace/handle/123456789/11524-
dc.description.abstractThe aim of this study was to examine the occurrence of endogenous oscillations of Per1, Per2, Bmal1 and Rev-erbα genes in rat pineal explants and to investigate their regulation by adrenergic ligands. Our results show a significant and sustained rhythm of Per2,Bmal1 and Rev-erbα gene expression for up to 48 h in cultured pineal gland with a pattern similar to that observed in vivo. By contrast, the rhythms of Per1 and Aa-nat, the rate-limiting enzyme for melatonin synthesis, were strongly attenuated after 24 h in culture. Addition of the exogenous adrenergic agonist isoproterenol on cultured pineal glands induced a short-term increase in mRNA levels of Per1 and Aa-nat, but not those of Per2,Bmal1 and Rev-erbα. This study demonstrates that the rat pineal gland hosts a circadian oscillator as evidenced by the sustained, noradrenergic-independent, endogenous oscillations of Per2, Bmal1 and Rev-erbα mRNA levels in cultured tissues. Only expression of Per1 was stimulated by adrenergic ligands suggesting that, in vivo, the adrenergic input could synchronize the pineal clock by acting selectively on Per1. Copyright © 2011 S. Karger AG, Basel.en_US
dc.rightsMahidol Universityen_US
dc.source.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=79960932529&origin=inwarden_US
dc.subjectBiochemistry, Genetics and Molecular Biologyen_US
dc.subjectMedicineen_US
dc.subjectNeuroscienceen_US
dc.titleA noradrenergic sensitive endogenous clock is present in the rat pineal glanden_US
dc.typeArticleen_US
dc.rights.holderSCOPUSen_US
dc.identifier.doi10.1159/000327430en_US
Appears in Collections:Scopus 2011-2015

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