Frequency of Three Common Mutations of CARD15/NOD2 Gene in Jordanian Patients with Crohn’s Disease.
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Date
2015
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Abstract
Background and Aims: CARD15/NOD2 is recognized as a major susceptibility gene for Crohn’s
disease. Several mutations of CARD15/NOD2 have been reported in different racial groups. We
aimed to investigate the frequency of three common CARD15/NOD2 mutations in a Jordanian Crohn’s disease cohort.
Methodology: Fifty one unrelated Crohn’s disease patients and fifty one age- and sex-matched
healthy controls were recruited at two hospitals in Jordan. Demographic and phenotypic
characteristics of patients were ascertained. Allele frequencies for three CARD15/NOD2 mutations
(G2722C, C2104T, 3020insC) were determined by PCR-RFLP, ARM-PCR, and direct sequencing
using allele specific primers.
Results: The frequencies of G2722C alleles in Crohn’s disease patients were higher but not
statistically significant as compared to healthy controls (5.9% vs. 1.9%; P = 0.32). On the other
hand, C2104T and 3020insC mutations have not been detected in Crohn’s disease patients or
healthy controls.
Conclusion: Our findings indicate that common mutations of CARD15/NOD2 gene in White
patients with Crohn’s disease are not associated with Crohn’s disease in the Jordanian population.
Further studies are needed to ascertain the effect of these and other mutations on Crohn’s disease
susceptibility and behavior in our population.
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Keywords
CARD15/NOD2, mutations, Crohn's disease, Jordan, genotype
Citation
Jadallah Khaled A, Daoud Ammar K, Nasra Osama N Abu, Kullab Susan M, Hamoudi Waseem T, Farsakh Niazy A Abu, Bashir Nabil A. Frequency of Three Common Mutations of CARD15/NOD2 Gene in Jordanian Patients with Crohn’s Disease. British Journal of Medicine and Medical Research. 2015; 7(2): 93-105.