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G-Protein Beta3 Subunit C825T Polymorphism in Patients With Overlap Syndrome of Functional Dyspepsia and Irritable Bowel Syndrome

Other Title
기능성 소화 불량증 및 과민성 장 증후군의 중복 증후군 환자에서 G-Protein Beta3 C825T 유전자 다형성
김, 한결
대학원 의학과
Master (2012)
Background: G-protein beta3 subunit (GNB3) C825T polymorphism alters intracellular signal transduction, which may lead to motor or sensory abnormalities of the gastrointestinal tract. The aim of the present study was to evaluate the association of the GNB3 C825T polymorphism with susceptibility to overlap syndrome of functional dyspepsia (FD) and irritable bowel syndrome (IBS) in a Korean population.

Methods: One hundred sixty-seven patients with FD alone, 60 patients with IBS alone, 85 patients with the overlap of FD and IBS, and 434 asymptomatic healthy subjects participated in the study. Genotyping for GNB3 C825T polymorphism was performed using their blood samples.

Results: No association of genotype in subjects with FD alone, IBS alone or overlap phenotype compared to that in controls was detected. The frequency of GNB3 C825T CT and TT genotypes relative to the CC genotype for the phenotypes of FD alone, IBS alone, and the coexistence of FD and IBS did not significantly differ. Comparison of the TT genotype with the CC/CT genotype showed no significant association for each phenotype group.

Conclusions: There is no apparent association of the GNB3 C825T polymorphism with the susceptibility to FD, IBS or the overlap of FD and IBS. A larger-scale study and further investigation on other candidate genes are required.

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Theses > School of Medicine / Graduate School of Medicine > Master
Ajou Authors
김, 한결
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