3020insC insertion in NOD2/CARD15 gene, a prevalent variant associated with anti-Saccharomyces cerevisiae antibodies and ileal location of Crohn’s disease in Tunisian population
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Our aim is to investigate the relation between CARD15 3020insC mutation, anti-Saccharomyces cerevisiae antibodies (ASCA) and disease phenotype, in Tunisian inflammatory bowel disease (IBD) patients.
A hundred Tunisian patients with IBD (75 Crohn’s disease CD and 25 ulcerative colitis UC) and 60 matched healthy controls were studied.
CARD15 mutation was analysed by using an allele-specific polymerase chain reaction and sequencing. Assessment of ASCA in serum was performed by ELISA.
The frequency of the mutation was significantly higher in Crohn’s disease than in control (p = 0,0005; OR = 20.45; CI 95% = 2.86–413.85) and did not differ statistically in UC group (p = 0, 05) from control. ASCAs were present in 60% of CD and 20, 8% of UC
This study suggests that in northen Tunisian population, 3020insC mutation in NOD2/CARD15 gene is a prevalent mutation leading to the typical Crohn’s disease including ileal location, stricturing and penetrating clinical types and ASCA expression.
- 3020insC insertion in NOD2/CARD15 gene, a prevalent variant associated with anti-Saccharomyces cerevisiae antibodies and ileal location of Crohn’s disease in Tunisian population
Volume 58, Issue 4 , pp 218-223
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- Crohn’s disease
- Inflammatory bowel disease
- 3020insC mutation
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- Author Affiliations
- 1. Laboratoire de Génétique, Immunologie et Pathologies Humaines, Faculté des Sciences de Tunis, Campus Universitaire 2092, Tunis, Tunisie
- 2. Service gastroentérologie, Hôpital Charles Nicolle de Tunis, Boulevard 9 Avril 1938, 1006, Tunis, Tunisie