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dc.contributor.authorShahrokh Mohammadzadeh Ghobadloo
dc.contributor.authorBahram Yaghmaei
dc.contributor.authorValery Bakayev
dc.contributor.authorHossein Goudarzi
dc.contributor.authorBabak Noorinayer
dc.contributor.authorFarhad Haghighi Rad
dc.contributor.authorSaeed Samiy
dc.contributor.authorSohrab Aghabozorghi
dc.contributor.authorMohammad Reza Zali
dc.date.accessioned2017-10-24T10:26:12Z
dc.date.available2017-10-24T10:26:12Z
dc.identifier.issn1091-255X
dc.identifier.urihttp://dsp.sbmu.ac.ir/xmlui/handle/123456789/72172
dc.description.abstractWe investigated glutathione S-transferase (GST) P1 Ile (105) Val, T1, and M1 polymorphisms in 45 patients with documented cryptogenic cirrhosis and 56 healthy control subjects. Polymerase chain reaction-based procedures were performed in the studied populations to confirm the genotypes of GSTT1, M1, and P1. Ile/Val and Val/Val GSTP1 genotypes were more frequent in the patients with cirrhosis (n=39, 87%) than in the control subjects (n=10; 18%) (odds ratio [OR] 34.04; 95% confidence interval [CI] 10.70 to 108.31, P<0.001). Among these patients with cirrhosis, 16 were heterozygous and 23 were homozygous, whereas only one person in the control group was homozygous. The GSTM1 null genotype was also more prevalent in cirrhotic patients than in healthy control subjects (OR 6.83, 95% CI 2.53 to 18.42, P<0.001). The rate of GSTT1 deletion did not show a significant difference between the two groups (OR 2.35, 95% CI 0.76 to 7.28, P=0.111). To our knowledge, this is the first evidence that GSTP1 and GSTM1 polymorphisms may be related to the development of cirrhosis by unknown mechanisms. The significant association of cryptogenic cirrhosis with Val/Val GSTP1 genotype encoding a low detoxification activity protein implicates this polymorphism as a risk factor for the occurrence of the disease.
dc.sourceJournal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract
dc.titleGSTP1, GSTM1, and GSTT1 genetic polymorphisms in patients with cryptogenic liver cirrhosis.


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