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Article

Actigraphic characterization of sleep and circadian phenotypes of PER3 gene VNTR genotypes.

Chronobiology international - 2 Sept 2023

Viana Mendes Juliana, Benedito-Silva Ana Amélia, Medeiros Andrade Maria Augusta, Vartanian Daniel, da Silva Brandão Gonçalves Bruno, Cipolla-Neto José, Pedrazzoli Mario

Abstract excerpt

The molecular circadian timing system involves genes known as "clock genes," such as the PER3 gene. Studies have demonstrated associations among a repeat polymorphism (VNTR) of the PER3 gene with chronotypes, with the occurrence of circadian rhythm disorders and with sleep homeostasis phenotypes. The aim of this study was to investigate, by actigraphy, sleep and circadian rhythm profiles of people with different...

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Source

Identifiers

PMID: 37691400
DOI: 10.1080/07420528.2023.2256858

Genes

PER3

Provenance

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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