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Evidence for gene x smoking exposure interactions in a genome-wide linkage screen of asthma and bronchial hyper-responsiveness in EGEA families.: Gene-smoking exposure interaction in EGEA study

Abstract : Asthma and bronchial hyper-responsiveness (BHR), an asthma-related phenotype, result from many genetic (G) and environmental (E) factors. Passive exposure to tobacco smoke (ETS) in early life is one of these risk factors. Following a genome scan for asthma and associated phenotypes conducted in 295 French Epidemiological study on the Genetics and Environment of Asthma, our present aim was to investigate interactions between genetic susceptibility to asthma and to BHR with passive ETS using two different methods: the predivided sample test (PST) and the mean interaction test (MIT). PST and MIT consider the identical by descent (identity by descent) distribution at all markers in affected sib-pairs with 2, 1 or 0 sib(s) exposed to ETS. While the PST allows detection of both linkage and G x E interaction, the MIT tests for linkage by taking into account a possible interaction. Among the six regions detected at P
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https://www.hal.inserm.fr/inserm-00136338
Contributor : Christine Vaillant <>
Submitted on : Wednesday, November 7, 2007 - 9:39:51 AM
Last modification on : Wednesday, October 14, 2020 - 4:10:17 AM
Long-term archiving on: : Tuesday, April 6, 2010 - 9:57:40 PM

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Marie-Hélène Dizier, Emmanuelle Bouzigon, Michel Guilloud-Bataille, Valérie Siroux, Arnaud Lemainque, et al.. Evidence for gene x smoking exposure interactions in a genome-wide linkage screen of asthma and bronchial hyper-responsiveness in EGEA families.: Gene-smoking exposure interaction in EGEA study. European Journal of Human Genetics, Nature Publishing Group, 2007, 15 (7), pp.810-815. ⟨10.1038/sj.ejhg.5201830⟩. ⟨inserm-00136338⟩

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