Novel 1,<i>N</i><sup>6</sup>-Etheno-2‘-deoxyadenosine Adducts from Lipid Peroxidation Products
作者:Valdemir M. Carvalho、Flavio Asahara、Paolo Di Mascio、Ivan P. de Arruda Campos、Jean Cadet、Marisa H. G. Medeiros
DOI:10.1021/tx9901682
日期:2000.5.1
the reaction of DDE with 2'-deoxyadenosine (dAdo) was investigated in an effort to assess its possible DNA damage potential. Besides 1,N(6)-etheno-2'-deoxyadenosine and two products, namely, 1-[3-(2-deoxy-beta-D-erythro-pentofuranosyl)-3H-imidazo[2, 1-i]purin-7-yl]-1,2,3-octanetriol (adduct I) and 1-[3-(2-deoxy-beta-D-erythro-pentofuranosyl)-3H-imidazo[2, 1-i]purin-7-yl]-1,2-heptanediol (adduct II)
反式,反式-2,4-癸二醛(DDE)是一种广泛存在的α,β-不饱和醛,例如存在于食品,水和环境污染物中。DDE也是内源性产生的,是细胞膜中脂质过氧化作用的分解产物。在此处介绍的工作中,研究了DDE与2'-脱氧腺苷(dAdo)的反应,以评估其可能的DNA损伤潜力。除了1,N(6)-etheno-2'-脱氧腺苷和两个产品,即1- [3-(2-deoxy-beta-D-erythro-pentofuranosyl)-3H-咪唑并[2,1-i]嘌呤-7-基] -1,1,2,3-辛三醇(加合物I)和1- [3-(2-脱氧-β-D-赤-五呋喃糖基)-3H-咪唑并[2,1-i]嘌呤-7我们小组先前描述的[-yl] -1,2-庚二醇(加合物II),鉴定出两个新的乙炔加合物。因此,1- [3-(2-脱氧-β-D-赤-五呋喃糖基)-3H-咪唑并[2,1-i]嘌呤-7-基] -1-己醇(加合物III)和1- [