A 3p26-3p25 genetic linkage finding for DSM-IV major depression in heavy smoking families - PubMed (original) (raw)

. 2011 Aug;168(8):848-52.

doi: 10.1176/appi.ajp.2011.10091319. Epub 2011 May 15.

Anne L Glowinski, Naomi R Wray, Arpana Agrawal, Scott F Saccone, Anu Loukola, Ulla Broms, Tellervo Korhonen, Brenda W J H Penninx, Julia D Grant, Elliot C Nelson, Anjali K Henders, Andrew J Schrage, Yi-Ling Chou, Kaisu Keskitalo-Vuokko, Qin Zhu, Scott D Gordon, Jacqueline M Vink, Eco J C de Geus, Stuart Macgregor, Jimmy Z Liu, Gonneke Willemsen, Sarah E Medland, Dorret I Boomsma, Grant W Montgomery, John P Rice, Alison M Goate, Andrew C Heath, Jaakko Kaprio, Nicholas G Martin, Pamela A F Madden

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A 3p26-3p25 genetic linkage finding for DSM-IV major depression in heavy smoking families

Michele L Pergadia et al. Am J Psychiatry. 2011 Aug.

Abstract

Objective: The authors tested for genetic linkage of DSM-IV-diagnosed major depressive disorder in families that were ascertained for cigarette smoking.

Method: Within a study that targeted families characterized by a history of smoking, analyses derived a subset of 91 Australian families with two or more offspring with a history of DSM-IV major depressive disorder (affected sibling pairs, N=187) and 25 Finnish families (affected sibling pairs, N=33). Within this affected sibling pairs design, the authors conducted nonparametric linkage analysis.

Results: In the Australian heavy smoking families, the authors found a genome-wide significant multipoint LOD score of 4.14 for major depressive disorder on chromosome 3 at 24.9 cM (3p26-3p25).

Conclusions: Genome-wide significant linkage was detected for major depressive disorder on chromosome 3p in a sample ascertained for smoking. A linkage peak at this location was also observed in an independent study of major depressive disorder.

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Figures

Figure 1

Figure 1

Chromosome 3: DSM-IV Major Depression NAG Australian sample; the LOD of 4.14 meets genome-wide significance at p = 0.004 with 1000 simulations in MERLIN;

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