【摘 要】
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Background: China is a multinational country.The relationship between gene polymorphisms of xenobiotic metabolizing enzymes and national ethnicity has not p
【机 构】
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Key Laboratory of Modern Toxicology of Shenzhen, Medical Key Laboratory of Guangdong Province, Medic
【出 处】
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中国毒理学会生化与分子毒理专业委员会学术会议暨环境内分泌干扰物的毒理学研究新技术新方法研讨会
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Background: China is a multinational country.The relationship between gene polymorphisms of xenobiotic metabolizing enzymes and national ethnicity has not previously investigated among Chinese people.The aim of this study was to investigate distributions of CYP1A1 and CYP2E1 gene polymorphisms in five nationalities of China.Methods: 829 blood samples were collected from five nationalities (Han、 Shui、 Miao、 Zhuang、 Bouyei).Taqman-MGB probe was used in Real-time PCR to test the gene polymorphisms of CYP1A1 (rs1048943 and rs4646903) and CYP2E1 (rs2031920 and rs6413420).We further validate the SNP genotyping results through DNA sequencing.Results: The genotype distribution of all four SNPs was in accordance with Hardy-Weinberg equilibrium except the Han nationality and Bouyei nationality genotype distribution of rs4646903 (p=0.013 and 0.0005, respectively).CYP2E1 gene rs6413420 polymorphism was first found in the Bouyei nationality of China.The results of DNA sequencing were entirely in line with the SNP genotyping assay.Conclusions: The CYP1A1 and CYP2E1 genetic polymorphisms were different in different nationalities in China.CYP2E 1 gene rs6413420 polymorphism was first found in the Bouyei nationality of China.
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