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XPC、XPD、XPF和XPG基因多态性对罗马尼亚人群急性髓系白血病风险及预后的影响。

Influence of XPC, XPD, XPF, and XPG gene polymorphisms on the risk and the outcome of acute myeloid leukemia in a Romanian population.

作者信息

Bănescu Claudia, Iancu Mihaela, Trifa Adrian P, Dobreanu Minodora, Moldovan Valeriu G, Duicu Carmen, Tripon Florin, Crauciuc Andrei, Skypnyk Cristina, Bogliș Alina, Lazar Erzsebeth

机构信息

Department of Medical Genetics, University of Medicine and Pharmacy Tirgu Mures, 38 Gh Marinescu St, 540139, Tirgu Mures, Romania.

Department of Medical Informatics and Biostatistics, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, 8 Victor Babes St, 400012, Cluj-Napoca, Romania.

出版信息

Tumour Biol. 2016 Jul;37(7):9357-66. doi: 10.1007/s13277-016-4815-6. Epub 2016 Jan 16.

Abstract

XPC, XPD, XPF, and XPG genes are implicated in the nucleotide excision repair (NER) system. Gene polymorphisms in NER repair system may influence the individual's capacity to recognize and repair DNA lesions, thus increasing the cancer risk. We hypothesized that these gene polymorphisms might influence the probability of developing acute myeloid leukemia (AML). We investigated the XPC, XPD, XPF, and XPG gene polymorphisms in 108 AML cases and 163 healthy controls. Also cytogenetic analyses besides FLT3 and DNMT3A mutations status were investigated. We found that variant genotypes (heterozygous and homozygous) of XPD 2251A > C and 22541A > C and the heterozygous genotype of XPG 3507G > C were associated with the risk of developing AML (OR = 2.55; 95% CI = 1.53-4.25; p value <0.001; OR = 1.66, 95 % CI = 1.02-2.72; p value = 0.047, and OR = 2.36; 95 % CI = 1.32-4.21; p value = 0.004, respectively). No association was found between white blood cell counts, FLT3, DNMT3A mutations, cytogenetic risk group, and variant genotypes of none of the analyzed polymorphisms. Variant homozygous XPF 673C > T genotype was associated with higher dose of cytosine arabinoside treatment administrated to AML patients (p value = 0.04). No differences were found regarding survival time and variant genotype in the investigated gene polymorphisms with the exception of XPD 2251A > C. In conclusion, XPD 22541A > C, XPD 2251A > C, and XPG 3507G > C gene polymorphisms confer susceptibility to AML, while XPC 2920A > C, XPF-673C > T, XPF 11985A > G are not associated with AML.

摘要

XPC、XPD、XPF和XPG基因与核苷酸切除修复(NER)系统有关。NER修复系统中的基因多态性可能会影响个体识别和修复DNA损伤的能力,从而增加患癌风险。我们假设这些基因多态性可能会影响患急性髓系白血病(AML)的概率。我们调查了108例AML患者和163名健康对照者的XPC、XPD、XPF和XPG基因多态性。此外,还研究了除FLT3和DNMT3A突变状态外的细胞遗传学分析。我们发现,XPD 2251A>C和22541A>C的变异基因型(杂合子和纯合子)以及XPG 3507G>C的杂合基因型与患AML的风险相关(OR = 2.55;95% CI = 1.53 - 4.25;p值<0.001;OR = 1.66,95% CI = 1.02 - 2.72;p值 = 0.047,以及OR = 2.36;95% CI = 1.32 - 4.21;p值 = 0.004)。在所分析的多态性中,白细胞计数、FLT3、DNMT3A突变、细胞遗传学风险组与变异基因型之间均未发现关联。XPF 673C>T变异纯合基因型与给予AML患者的阿糖胞苷治疗剂量较高相关(p值 = 0.04)。除XPD 2251A>C外,在所研究的基因多态性中,未发现生存时间与变异基因型之间存在差异。总之,XPD 22541A>C、XPD 2251A>C和XPG 3507G>C基因多态性使个体易患AML,而XPC 2920A>C、XPF - 673C>T、XPF 11985A>G与AML无关。

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