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NIDA study identifies genes that might help some people abstain from smoking

o their neighbors) and a cyclic G-dependent protein kinase gene, which plays a key role in normal brain development. In addition to genes implicated in intracellular signaling and intercellular interactions, a number of genes involved in other processes have also been identified. While many of the genes identified through this effort make sense because of their role in supporting new neural connections in the brain, more research is now needed to understand the actual mechanisms through which they may increase or reduce the rates of successful quitting.

Dr. Uhl says he and his colleagues have replicated this research in another sample, as he reported at the February 2007 meeting of the Society for Research on Nicotine and Tobacco.

“These findings provide ample justification for continuing the search for even more genetic variants associated with smoking cessation success,?says Dr. Volkow. “We soon may be able to make use of this information to match treatments with the smokers most likely to benefit from them.?
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Source:NIH/National Institute on Drug Abuse


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