Title : CYP1A1 and GSTM1 genotypes affect benzo[a]pyrene DNA adducts in smokers' lung: comparison with aromatic/hydrophobic adduct formation.

Pub. Date : 2002 Dec

PMID : 12507920






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1 In this review, we summarize the published data on modulation of (+)-anti-BPDE-DNA adduct levels in smokers" lungs by CYP1A1*2 genotypes alone or in combination with GSTM1 polymorphism and compare these results with those reported for aromatic/hydrophobic (bulky) DNA adducts. 7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide cytochrome P450 family 1 subfamily A member 1 Homo sapiens
2 In contrast, a clear dependence of (+)-anti-BPDE-DNA adduct levels was found as a function of the CYP1A1 and GSTM1 genotypes: In lung parenchyma, this adduct was more pronounced in persons with the GSTM1*0 genotype, and CYP1A1*2-GSTM1*0 carriers had higher (+)-anti-BPDE-DNA adduct levels than those with CYP1A1*1/*1-GSTM1*0. 7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide cytochrome P450 family 1 subfamily A member 1 Homo sapiens
3 In contrast, a clear dependence of (+)-anti-BPDE-DNA adduct levels was found as a function of the CYP1A1 and GSTM1 genotypes: In lung parenchyma, this adduct was more pronounced in persons with the GSTM1*0 genotype, and CYP1A1*2-GSTM1*0 carriers had higher (+)-anti-BPDE-DNA adduct levels than those with CYP1A1*1/*1-GSTM1*0. 7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide cytochrome P450 family 1 subfamily A member 1 Homo sapiens
4 In contrast, a clear dependence of (+)-anti-BPDE-DNA adduct levels was found as a function of the CYP1A1 and GSTM1 genotypes: In lung parenchyma, this adduct was more pronounced in persons with the GSTM1*0 genotype, and CYP1A1*2-GSTM1*0 carriers had higher (+)-anti-BPDE-DNA adduct levels than those with CYP1A1*1/*1-GSTM1*0. 7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide cytochrome P450 family 1 subfamily A member 1 Homo sapiens
5 In contrast, a clear dependence of (+)-anti-BPDE-DNA adduct levels was found as a function of the CYP1A1 and GSTM1 genotypes: In lung parenchyma, this adduct was more pronounced in persons with the GSTM1*0 genotype, and CYP1A1*2-GSTM1*0 carriers had higher (+)-anti-BPDE-DNA adduct levels than those with CYP1A1*1/*1-GSTM1*0. 7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide cytochrome P450 family 1 subfamily A member 1 Homo sapiens