Gender in obsessive-compulsive disorder: clinical and genetic findings (vol 14, pg 105, 2004)

被引:16
作者
Lochner, C
Hemmings, SMJ
Kinnear, CJ
Moolman-Smook, JC
Corfield, VA
Knowles, JA
Niehaus, DJH
Stein, DJ
机构
[1] Univ Stellenbosch, MRC, Unit Anxiety Disorders, Dept Psychiat, ZA-7505 Tygerberg, Cape Town, South Africa
[2] Univ Stellenbosch, MRC, US Ctr Mol & Cellular Biol, ZA-7505 Tygerberg, Cape Town, South Africa
[3] Columbia Univ, New York State Psychiat Inst, Dept Psychiat, Columbia Genome Ctr, New York, NY USA
[4] Univ Florida, Gainesville, FL USA
关键词
D O I
10.1016/j.euroneuro.2004.05.001
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Background: There is increasing recognition that obsessive-compulsive disorder (OCD) is not a homogeneous entity. It has been suggested that gender may contribute to the clinical and biological heterogeneity of OCD. Methods: Two hundred and twenty patients (n = 220; 107 male, 113 female) with DSM-IV OCD (age: 36.40 +/- 13.46) underwent structured interviews. A subset of Caucasian subjects (n = 178), including subjects from the genetically homogeneous Afrikaner population (n = 81), and of matched control subjects (n = 161), was genotyped for polymorphisms in genes involved in monoamine function. Clinical and genetic data were statistically analyzed across gender. Results: Compared with females, males with OCD (1) had an earlier age of onset, and a trend toward having more tics and worse outcome, (2) had somewhat differing patterns of OCD symptomatology and axis I comorbidity, and (3) in the Caucasian group, were more likely to have the high activity T allele of the EcoRV variant of the monoamine oxidase A (MAO-A) gene compared to controls, and (4) in the Afrikaner subgroup, were more frequently homozygous for the G allele at the G861C variant of the 5HT(1Dbeta) gene than controls. Females with OCD (1) reported more sexual abuse during childhood than males, (2) often noted changes in obsessive-compulsive symptoms in the premenstrual/menstrual period as well as during/shortly after pregnancy, and with menopause, and (3) in the Caucasian subgroup, were more frequently homozygous for the low activity C allele of the EcoRV variant of the MAO-A gene compared to controls, with this allele also more frequent in female patients than controls. Conclusion: This study supports the hypothesis that gender contributes to the clinical and biological heterogeneity of OCD. A sexually dimorphic pattern of genetic susceptibility to OCD may be present. Further work is, however, needed to delineate the mechanisms that are responsible for mediating the effects of gender. (C) 2003 Elsevier B.V. and ECNP. All rights reserved.
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页码:435 / +
页数:10
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