| http://purl.uniprot.org/citations/22703580 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/22703580 | http://www.w3.org/2000/01/rdf-schema#comment | "The acetaldehyde associated with alcoholic beverages is an evident carcinogen for the esophagus. Genetic polymorphisms of the alcohol dehydrogenase 1B (ADH1B) and aldehyde dehydrogenase 2 (ALDH2) genes are associated with the risk of esophageal cancer. However, the exact mechanism via which these genetic polymorphisms affect esophageal carcinogenesis has not been elucidated. ADH1B*2 is involved in overproduction of acetaldehyde due to increased ethanol metabolism into acetaldehyde, and ALDH2*2 is involved in accumulation of acetaldehyde due to the deficiency of acetaldehyde metabolism. Acetaldehyde can interact with DNA and form DNA adducts, resulting in DNA damage. N(2)-ethylidene-2'-deoxyguanosine (N(2)-ethylidene-dG) is the most abundant DNA adduct derived from acetaldehyde. Therefore, we quantified N(2)-ethylidene-dG levels in blood samples from 66 Japanese alcoholic patients using liquid chromatography/electrospray tandem mass spectrometry, and investigated the relationship between N(2)-ethylidene-dG levels and ADH1B and ALDH2 genotypes. The median N(2)-ethylidene-dG levels (25th percentile, 75th percentile) in patients with ADH1B*1/*1 plus ALDH2*1/*1, ADH1B*2 carrier plus ALDH2*1/*1, ADH1B*1/*1 plus ALDH2*1/*2, and ADH1B*2 carrier plus ALDH2*1/*2 were 2.14 (0.97, 2.37)/10(7) bases, 2.38 (1.18, 2.98)/10(7) bases, 5.38 (3.19, 6.52)/10(7) bases, and 21.04 (12.75, 34.80)/10(7) bases, respectively. In the ALDH2*1/*2 group, N(2)-ethylidene-dG levels were significantly higher in ADH1B*2 carriers than in the ADH1B*1/*1 group (P < 0.01). N(2)-ethylidene-dG levels were significantly higher in the ALDH2*1/*2 group than in the ALDH2*1/*1 group, regardless of ADH1B genotype (ADH1B*1/*1, P < 0.05; ADH1B*2 carriers, P < 0.01) N(2)-ethylidene-dG levels in blood DNA of the alcoholics was remarkably higher in individuals with a combination of the ADH1B*2 and ALDH2*2 alleles. These results provide a new perspective on the carcinogenicity of the acetaldehyde associated with alcoholic beverages, from the aspect of DNA damage."xsd:string |
| http://purl.uniprot.org/citations/22703580 | http://purl.org/dc/terms/identifier | "doi:10.1111/j.1349-7006.2012.02360.x"xsd:string |
| http://purl.uniprot.org/citations/22703580 | http://purl.uniprot.org/core/author | "Hori K."xsd:string |
| http://purl.uniprot.org/citations/22703580 | http://purl.uniprot.org/core/author | "Yokoyama A."xsd:string |
| http://purl.uniprot.org/citations/22703580 | http://purl.uniprot.org/core/author | "Yukawa Y."xsd:string |
| http://purl.uniprot.org/citations/22703580 | http://purl.uniprot.org/core/author | "Matsuda T."xsd:string |
| http://purl.uniprot.org/citations/22703580 | http://purl.uniprot.org/core/author | "Chiba T."xsd:string |
| http://purl.uniprot.org/citations/22703580 | http://purl.uniprot.org/core/author | "Muto M."xsd:string |
| http://purl.uniprot.org/citations/22703580 | http://purl.uniprot.org/core/author | "Nagayoshi H."xsd:string |
| http://purl.uniprot.org/citations/22703580 | http://purl.uniprot.org/core/date | "2012"xsd:gYear |
| http://purl.uniprot.org/citations/22703580 | http://purl.uniprot.org/core/name | "Cancer Sci"xsd:string |
| http://purl.uniprot.org/citations/22703580 | http://purl.uniprot.org/core/pages | "1651-1655"xsd:string |
| http://purl.uniprot.org/citations/22703580 | http://purl.uniprot.org/core/title | "Combination of ADH1B*2/ALDH2*2 polymorphisms alters acetaldehyde-derived DNA damage in the blood of Japanese alcoholics."xsd:string |
| http://purl.uniprot.org/citations/22703580 | http://purl.uniprot.org/core/volume | "103"xsd:string |
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