Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi · 2009
[Study on the relationship between hepatocellular carcinoma and the interaction between polymorphisms in DNA repair gene XPD and environmental factors].
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Zeng Xiao-Yun, Qiu Xiao-Qiang, Ji Long, Yu Hong-Ping
Аннотация
OBJECTIVE: To study the relationship between hepatocellular carcinoma and the interaction of polymorphisms in DNA repair gene XPD with environmental factors.
METHODS: A hospital-based case-control study on hepatocellular carcinoma was conducted. All the hepatocellular carcinoma cases (n=300) were newly diagnosed and controls (n=312) were diagnosed with non-tumor cases. XPD genotype (Lys751 Gln and Asp312 Asn) from blood derived DNA was determined using TaqMan MGB Real-time PCR. Unconditional logistic regression was used to estimate the odds ratios (ORs) and 95% confidence intervals (CIs).
RESULTS: For XPD condon 751 genotypes, there was no significant difference between frequencies of the AC or CC among patients and controls (P>0.05) (referent AA). The frequency of XPD312A allelic gene was higher in cases than that in controls and was associated with an increased risk (adjusted OR=2.62, 95% CI: 1.626-4.222) for hepatocellular carcinoma when compared with GG genotype. Interactions were found between infection of HBsAg and XPD312 (OR=7.348), as well as between smoking and non-wild type gene of XPD751 (OR=4.291) and XPD312 (OR=5.341).
CONCLUSION: DNA repair XPD312A allelic gene might increase the risk of Hepatocellular carcinoma. Interactions between HBsAg infection, smoking and XPD were observed in Hepatocellular carcinoma.
METHODS: A hospital-based case-control study on hepatocellular carcinoma was conducted. All the hepatocellular carcinoma cases (n=300) were newly diagnosed and controls (n=312) were diagnosed with non-tumor cases. XPD genotype (Lys751 Gln and Asp312 Asn) from blood derived DNA was determined using TaqMan MGB Real-time PCR. Unconditional logistic regression was used to estimate the odds ratios (ORs) and 95% confidence intervals (CIs).
RESULTS: For XPD condon 751 genotypes, there was no significant difference between frequencies of the AC or CC among patients and controls (P>0.05) (referent AA). The frequency of XPD312A allelic gene was higher in cases than that in controls and was associated with an increased risk (adjusted OR=2.62, 95% CI: 1.626-4.222) for hepatocellular carcinoma when compared with GG genotype. Interactions were found between infection of HBsAg and XPD312 (OR=7.348), as well as between smoking and non-wild type gene of XPD751 (OR=4.291) and XPD312 (OR=5.341).
CONCLUSION: DNA repair XPD312A allelic gene might increase the risk of Hepatocellular carcinoma. Interactions between HBsAg infection, smoking and XPD were observed in Hepatocellular carcinoma.