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Gene activity

Gene activity in the nose may signal lung cancer: study

BOSTON: Genetic changes in the cells lining the inside of the nose might someday help doctors diagnose lung cancer, a recent study suggests. “The idea that you don't have to sample the disease tissue but can diagnose presence of disease using relatively accessible cells that are far from the tumor . . . is a paradigm that can impact many cancers,” Dr. Avrum Spira from Boston University School of Medicine, a member of the study team, told Reuters Health by email. The layer of cells that covers the surfaces of the body…