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Войти в исследования Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases · 2011
[Polymorphisms in Fas pathway genes and risk of coal worker pneumoconiosis].
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Wang Sha-sha, Ye Yang, Qian Hai-yang, Song Zhi-fang, Jia Xiao-min, Ni Chun-hui
Аннотация
OBJECTIVE: To explore the possible association between six single nucleotide polymorphisms (SNPs) of Fas pathway genes and the risks of coal worker pneumoconiosis (GWP).
METHODS: This case-control study consisted of 511 male patients with CWP and 530 male controls from the same coal mines. Five SNPs of Fas pathway genes were detected by restriction fragment length polymorphisms (PCR-RFLP) and CASP3 (rs6948) was genotyped by quantitative real-time polymerase chain reaction (qRT-PCR).
RESULTS: There were no differences of genotype frequencies of 6 SNPs between cases with CWP and controls. A significant increased risk of CWP was found in subjects with CASP8-652DD genotype as compared to subjects with CASP8-652II genotype (P < 0.05), and the further stratification analysis showed that smoking cases with CWP stage I, long exposure time and CASP8-652DD genotype had high risk of CWP (P < 0.05). The analysis of gene-gene interactions indicated that the carriers with FAS-1377GG/CASP8-652DD, FAS-670AG/CASP8-652DD and FASL-844CT/CASP8-652DD had the increased risk of CWP, and the carriers with FAS-1377GA/CASP8-652ID had the reduced risk of CWP. There were no significant differences of exposure times among the cases with CWP stage I and 3 genotypes of CASP8-652.
CONCLUSION: CASP8-652 6N DD genotype may play a role in CWP development and interact with SNPs of FAS-1377, FAS-670 and FASL-844.
METHODS: This case-control study consisted of 511 male patients with CWP and 530 male controls from the same coal mines. Five SNPs of Fas pathway genes were detected by restriction fragment length polymorphisms (PCR-RFLP) and CASP3 (rs6948) was genotyped by quantitative real-time polymerase chain reaction (qRT-PCR).
RESULTS: There were no differences of genotype frequencies of 6 SNPs between cases with CWP and controls. A significant increased risk of CWP was found in subjects with CASP8-652DD genotype as compared to subjects with CASP8-652II genotype (P < 0.05), and the further stratification analysis showed that smoking cases with CWP stage I, long exposure time and CASP8-652DD genotype had high risk of CWP (P < 0.05). The analysis of gene-gene interactions indicated that the carriers with FAS-1377GG/CASP8-652DD, FAS-670AG/CASP8-652DD and FASL-844CT/CASP8-652DD had the increased risk of CWP, and the carriers with FAS-1377GA/CASP8-652ID had the reduced risk of CWP. There were no significant differences of exposure times among the cases with CWP stage I and 3 genotypes of CASP8-652.
CONCLUSION: CASP8-652 6N DD genotype may play a role in CWP development and interact with SNPs of FAS-1377, FAS-670 and FASL-844.