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Article

[Dopamine D2 and D4 receptor genes distinguish the clinical presence of tics in obsessive-compulsive disorder].

Gaceta medica de Mexico - 1 Jan 2000

Nicolini H, Cruz C, Páez F, Camarena B

Abstract excerpt

An allelic association study between dopamine receptor gene polymorphisms D2 (DRD2) and D4 (DRD4), in obsessive-compulsive patients (OCD) with or without chronic motor or vocal tics (OCD+ or OCD-) was performed. Molecular genotypes were obtained using the polymerase chain reaction method (PCR) in 66 patients diagnosed according DSMIV criteria, 12/66 OCD patients presented tics, 54 Control subjects were also...

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Methodology Data sources Editorial policy Privacy Delete account & data About Contact Helena Bioinformatics

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Identifiers

PMID: 9842133

Genes

DRD4
DRD2

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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