期刊
AMERICAN JOURNAL OF MEDICAL GENETICS PART B-NEUROPSYCHIATRIC GENETICS
卷 147B, 期 1, 页码 120-123出版社
WILEY-BLACKWELL
DOI: 10.1002/ajmg.b.30576
关键词
depression; gene-environment interaction; BDNF; serotonin transporter; child adversity
资金
- Dutch Foundation for Scientific Research
- EU Framework 6 [LSHM-CT-2004-503474]
Kaufman et al. [2006] reported a higher order interaction effect between specific genetic and environmental factors in a model of depressive Symptoms, requiring independent replication. BDNF Val(66)Met and 5-HTTLPR genotypes were determined in female participants pertaining to a large ongoing twin study. Participants also filled in questionnaires on childhood adversity and depressive symptoms. Two- and three-way interactions between genetic polymorphisms and early adversity were examined in models of depressive symptoms. BDNF Met allele(s) moderated the effect of early adversity on depressive symptoms (two-way interaction), and this BDNF Met x child-childhood adversity interaction in turn was moderated by 5-HTTLPR genotype (three-way interaction). However, a main effect of BDNF Met on childhood adversity was also observed, possibly indicating confounding by gene-environment correlation. Higher order interaction effects involving BDNF Val(66)Met, 5-HTTLPR and childhood adversity may contribute to the etiology of depressive illness. (C) 2007 Wiley-Liss, Inc.
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