Journal
MOLECULAR MEDICINE
Volume 15, Issue 1-2, Pages 21-27Publisher
SPRINGER
DOI: 10.2119/molmed.2008.00096
Keywords
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Funding
- NIH Intramural Research Programs
- National Institute on Drug Abuse
- National Institute of Mental Health
- National Cancer Institute, Department of Health and Social Services
- NATIONAL INSTITUTE ON DRUG ABUSE [ZIADA000401, ZIADA000537] Funding Source: NIH RePORTER
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Phenotypes related to both nicotine dependence and ability to successfully quit smoking display substantial heritabilities in classical and molecular genetic studies. Twin studies suggest that some genetic components for dependence overlap with genetic components of ability to quit, but that many components do not overlap. Initial genome-wide association (GWA) studies have demonstrated haplotypes that distinguish nicotine-dependent from nondependent smokers. These haplotypes overlap partially with those that distinguish individuals who successfully quit smoking from those who were not able to quit smoking in clinical trials for smoking cessation. We now report novel genome-wide association results from National Institutes of Health research volunteers who reported smoking histories, symptoms of nicotine dependence, and ability to successfully quit smoking outside the context of a clinical trial. These results buttress data from several prior GWA studies. The data from these volunteers support the idea that previously reported studies of genes associated with smoking cessation success in clinical trial participants may also apply to smokers who are more or less able to initiate and sustain abstinence outside of clinical trial settings. (C) 2009 The Feinstein Institute for Medical Research, www.feinsteininstitute.org
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