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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク DNA oxidation ： ウィキペディア英語版 DNA oxidation DNA oxidation is the process of oxidative damage on Deoxyribonucleic Acid. It occurs most readily at guanine residues due to the high oxidation potential of this base relative to cytosine, thymine, and adenine. It is widely believed to be linked to certain disease and cancers. ==Oxidized bases in DNA== More than 20 oxidatively damaged DNA base lesions were identified in 2003 by Cooke et al. and these overlap the 12 oxidized bases reported in 1992 by Dizdaroglu. Two of the most frequently oxidized bases found by Dizdaroglu after ionizing radiation (causing oxidative stress) were the two oxidation products of guanine shown in the Figure. One of these products was 8-OH-Gua (8-hydroxyguanine). (The article 8-Oxo-2'-deoxyguanosine refers to the same damaged base since the keto form 8-oxo-Gua described there may undergo a tautomeric shift to the enol form 8-OH-Gua shown here.) The other product was FapyGua (2,6-diamino-4-hydroxy-5-formamidopyrimidine). Another frequent oxidation product was 5-OH-Hyd (5-hydroxyhydantoin) derived from cytosine. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「DNA oxidation」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.