1007fs, G908R, R702W Mutations and P268S, IVS8+158 Polymorphisms of the CARD15 Gene in Turkish Inflammatory Bowel Disease Patients and Their Relationship with Disease-Related Surgery |
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Authors: | Ali Tüzün İnce Özden Hatırnaz Oya Övünç Uğur Özbek |
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Institution: | (1) Gastroenterohepatology Clinic, Haydarpasa Numune Education and Research Hospital, Istanbul, Turkey;(2) Genetic Division of Experimental Research Institute of Medicine, Istanbul University, Istanbul, Turkey |
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Abstract: | Introduction CARD15 gene mutations may present different frequencies in populations and sometimes surgical interventions may become a
necessary therapy for inflammatory bowel disease patients. Mutations of 1007fs, G908R, R702W and polymorphisms of P268S, IVS8+158 of the CARD15 gene and their relation with disease-related surgery were investigated in Turkish inflammatory bowel disease
patients in this study. Material and Method 1007fs, G908R, R702W mutations and P268S, IVS8+158 polymorphisms of CARD15 gene were analyzed in 130 inflammatory bowel disease patients (67 Crohn’s disease, 63 ulcerative
colitis) and 87 healthy controls. After obtaining DNA samples, genotyping was performed by polymerase chain reaction - restriction
fragment length polymorphism (PCR-RFLP) analysis. Results were evaluated by statistical analysis and accepted as significant
if P < 0.05. Results R702W gene mutation was significantly lower in the inflammatory bowel disease group (1.5%) than the controls (4.8%) (P < 0.05). The overall allele frequency of mutations in the inflammatory bowel disease group (2.7%) was lower than in controls
(6.6%) (P < 0.05). Disease-related surgery history was present in 20 Crohn’s and 25 ulcerative colitis patients; familial history was
present in four Crohn’s and five ulcerative colitis patients. Statistically, no relationship was detected between disease-related
surgeries and the investigated genetic tests. Conclusion In Turkish patients, no important relationship was detected between the investigated allele frequencies of the CARD15 gene
and inflammatory bowel disease nor between disease-related surgeries and inflammatory bowel disease.
Dedicated to the memory of the Turkish scientist Turgut Tukel MD. Thanks for his contributions and supports. |
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Keywords: | Inflammatory bowel diseases Crohn's disease Ulcerative colitis CARD15 Gene mutations Disease-related surgery |
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