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Article

Circadian clock-related polymorphisms in seasonal affective disorder and their relevance to diurnal preference.

Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology - 1 Apr 2003

Johansson Carolina, Willeit Matthäeus, Smedh Christina, Ekholm Jenny, Paunio Tiina, Kieseppä Tuula, Lichtermann Dirk, Praschak-Rieder Nicole, Neumeister Alexander, Nilsson Lars-Göran, Kasper Siegfried, Peltonen Leena, Adolfsson Rolf, Schalling Martin, Partonen Timo

Abstract excerpt

Disturbed circadian rhythms have been observed in seasonal affective disorder (SAD). The aim of this study was to further investigate this connection, and to test for potential association between polymorphisms in circadian clock-related genes and SAD, seasonality (seasonal variations in mood and behavior), or diurnal preference (morningness-eveningness tendencies). A total of 159 European SAD patients and 159...

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Source

Identifiers

PMID: 12655319
DOI: 10.1038/sj.npp.1300121

Genes

NPAS2
CLOCK

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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