作者: Helmut K Seitz , Peter Becker
DOI:
关键词: Biology 、 Alcohol 、 Cancer research 、 Metabolite 、 Biochemistry 、 Enzyme 、 Ethanol 、 Acetaldehyde 、 Aldehyde dehydrogenase 、 Ethanol metabolism 、 Alcohol dehydrogenase
摘要: Chronic alcohol consumption increases the risk for cancer of organs and tissues respiratory tract upper digestive (i.e., aerodigestive tract), liver, colon, rectum, breast. Various factors may contribute to development pathogenesis) alcohol-associated cancer, including actions acetaldehyde, first most toxic metabolite metabolism. The main enzymes involved in acetaldehyde metabolism are dehydrogenase (ADH) aldehyde (ALDH), which encoded by multiple genes. Because some these genes exist several variants polymorphic), certain result elevated levels, presence predispose cancers. Several mechanisms alcohol-related development. Acetaldehyde itself is a cancer-causing substance experimental animals reacts with DNA form cancer-promoting compounds. In addition, highly reactive, oxygen-containing molecules that generated during pathways can damage DNA, thus also inducing tumor Together other related chronic consumption, metabolism-related increase heavy drinkers.