No Interaction Between Childhood Maltreatment and Serotonin Transporter Gene in Recurrent Major Depressive Disorder: A Clinical Sample
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Tarih
2019Yazar
Ozcurumez, Gamze
Yurdakul, Hasan Talha
Terzi, Yunus
Direk, Nese
Essizoglu, Altan
Sahin, Feride
Üst veri
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Introduction: There is inconsistent evidence of interaction between childhood adversities and a serotonin transporter promoter polymorphism (5- HTTLPR) in depression. It is hypothesized that genetic sensitivity to stress could be more specific to recurrent major depressive disorder (MDD). The aim of the study is to replicate a recent study which provided preliminary evidence of interaction between severity of childhood maltreatment and the 5-HTTLPR polymorphism in recurrent MDD.
Methods: Participants included a well-characterized clinical sample of 70 recurrent MDD cases and 67 never psychiatrically ill controls, aged 18 years or over. Socio-demographic and clinical information form, Composite International Diagnostic Interview (CIDI), Childhood Trauma Questionnaire (CTQ), Beck Depression Inventory (BDI) were applied to both groups, along with genotyping.
Results: There was no interaction between childhood maltreatment and the 5-HTTLPR in relation to recurrent MDD. All forms of childhood maltreatment were reported as more severe by cases than controls, and there was an independent association between maltreatment and recurrent MDD.
Conclusion: The path forward to detect genetic risk loci for depression remains challenging. Taking childhood maltreatment history into account could lead to a richer understanding of differences in biological correlates, genetic underpinnings, and outcomes.
Bağlantı
http://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC6563855&blobtype=pdfhttp://hdl.handle.net/11727/4818
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