Title: The BDNF Val(66)Met x 5-HTTLPR x child adversity interaction and depressive symptoms: An attempt at replication
Authors: Wichers, Marieke ×
Kenis, Gunter
Jacobs, Nele
Mengelers, Ron
Derom, Cathérine
Vlietinck, Robert
van Os, Jim #
Issue Date: Jan-2008
Publisher: Wiley-Liss
Series Title: American Journal of Medical Genetics B, Neuropsychiatric Genetics vol:147B issue:1 pages:120-123
Abstract: 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 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.
ISSN: 1552-4841
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Clinical Genetics
Department of Human Genetics - miscellaneous
Clinical Genetics Section (-)
× corresponding author
# (joint) last author

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