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Article

Clock polymorphisms and circadian rhythms phenotypes in a sample of the Brazilian population.

Chronobiology international - 1 Jan 2007

Pedrazzoli Mario, Louzada Fernando Mazzili, Pereira Danyella Silva, Benedito-Silva Ana Amélia, Lopez Alberto Remesar, Martynhak Bruno Jacson, Korczak Anna Ligia, Koike Bruna Del Vechio, Barbosa Ana Alves, D'Almeida Vania, Tufik Sergio

Abstract excerpt

A Clock polymorphism T to C situated in the 3' untranslated region (3'-UTR) has been associated with human diurnal preference. At first, Clock 3111C had been reported as a marker for evening preference. However these data are controversial, and data both corroborating and denying them have been reported. This study hypothesizes that differences in Clock genotypes could be observed if extreme morning-type subjects...

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Identifiers

PMID: 17364575
DOI: 10.1080/07420520601139789

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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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Clock polymorphisms and circadian rhythms phenotypes in a sample of the Brazilian population.PMID 17364575Read ↗

Human Diurnal Preference and Circadian Rhythmicity Are Not Associated with the <i>CLOCK</i> 3111C/T Gene PolymorphismSemantic proximity Read ↗

The 3111 Clock gene polymorphism is not associated with sleep and circadian rhythmicity in phenotypically characterized human subjects.Semantic proximity Read ↗

Clock T3111C and Per2 C111G SNPs do not influence circadian rhythmicity in healthy Italian population.Semantic proximity Read ↗

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A length polymorphism in the circadian clock gene Per3 is linked to delayed sleep phase syndrome and extreme diurnal preference.Semantic proximity Read ↗

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