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Science 12 January 2007:
Vol. 315. no. 5809, p. 187
DOI: 10.1126/science.1129402

Technical Comments

Comment on "A Common Genetic Variant Is Associated with Adult and Childhood Obesity"

Christian Dina,1* David Meyre,1 Chantal Samson,1 Jean Tichet,2 Michel Marre,3 Beatrice Jouret,4 Marie Aline Charles,5,6 Beverley Balkau,5,6 Philippe Froguel1,7

Herbert et al. (Reports, 14 April 2006, p. 279) reported an association between the INSIG2 gene variant rs7566605 and obesity in four sample populations, under a recessive model. We attempted to replicate this result in 10,265 Caucasian individuals, combining family-based, case-control, and general population studies, but found no support for a major role of this variant in obesity.

1 CNRS 8090-Institute of Biology, Pasteur Institute, Lille, France.
2 Institut Inter-Régional pour la Santé, Tours, France.
3 Department of Diabetology, Bichat Claude Bernard Hospital, Assistance Publique-Hôpitaux de Paris, France.
4 Institut National de la Santé et de la Recherche Médicale (INSERM) U563, Children's Hospital, Toulouse, France.
5 INSERM U780-IFR69, Villejuif, France.
6 Université Paris-Sud, Villejuif, France.
7 Department of Genomic Medicine, Imperial College London, UK.

* To whom correspondence should be addressed. E-mail: dina{at}good.ibl.fr

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Science. ISSN 0036-8075 (print), 1095-9203 (online)