Association study between functional polymorphisms in the TNF-alpha gene and obsessive-compulsive disorder

Author(s):Show less -

Cappi, Carolina ^{[1, 2]} ; Muniz, Renan Kawano ^{[1, 2]} ; Sampaio, Aline Santos ^{[1, 2]} ; Cordeiro, Quirino ^[3] ; Brentani, Helena ^{[1, 2]} ; Palacios, Selma A. ^[4] ; Marques, Andrea H. ^{[1, 2]} ; Vallada, Homero ^{[1, 2]} ; Miguel, Euripedes Constantino ^{[1, 2]} ; Guilherme, Luiza ^[4] ; Hounie, Ana Gabriela ^{[1, 2]}

Affiliation

^[1] Univ Sao Paulo, Sch Med, Inst Psychiat, Sao Paulo - Brazil

^[2] Univ Sao Paulo, Sch Med, Dept Psychiat, Sao Paulo - Brazil

^[3] Santa Casa Med Sch, Dept Psychiat & Psychol Med, Sao Paulo - Brazil

^[4] Univ Sao Paulo, Sch Med, Heart Inst InCor, Sao Paulo - Brazil

• Document type: Journal article
• Source: Arquivos de Neuro-Psiquiatria; v. 70, n. 2, p. 87-90, FEB 2012.
• Web of Science Citations: 10

Abstract

Obsessive-compulsive disorder (OCD) is a prevalent psychiatric disorder of unknown etiology. However, there is some evidence that the immune system may play an important role in its pathogenesis. In the present study, two polymorphisms (rs1800795 and rs361525) in the promoter region of the cytokine tumor necrosis factor-alpha (TNFA) gene were genotyped in 183 OCD patients and in 249 healthy controls. The statistical tests were performed using the PLINK® software. We found that the A allele of the TNFA rs361525 polymorphism was significantly associated with OCD subjects, according to the allelic χ² association test (p=0.007). The presence of genetic markers, such as inflammatory cytokines genes linked to OCD, may represent additional evidence supporting the role of the immune system in its pathogenesis. (AU)

• FAPESP's process: 05/55628-8 - Phenotypic, genetic, immunological and neurobiological characterization of the obsessive compulsive disorder and its implications for treatment
• Grantee: Eurípedes Constantino Miguel Filho
• Support Opportunities: Research Projects - Thematic Grants