Faulty DNA repair could be a risk factor for lung cancer in nonsmokers
People who have never smoked but whose cells cannot efficiently repair environmental insults to DNA are at higher risk of developing lung cancer than those with effective genomic repair capability, according to researchers from the Department of Epidemiology at The University of Texas M. D. Anderson Cancer Center.”About 15 percent of lung cancers occur in lifetime never smokers. Risk factors for lung cancer in people who have never smoked are poorly understood, but this study demonstrates that poor DNA repair capacity is an important predictor of lung cancer risk in never smokers,” said the study’s lead author, Olga Gorlova, Ph.D., an assistant professor in the Department of Epidemiology.
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