PT - JOURNAL ARTICLE AU - Alfaresi, Mubarak S. AU - Eltom, Abdulla A. AU - Alshaikh, Saeed S. AU - Buchel, Elwin H. AU - Saeed, Lamya S. AU - Aljenaibi, Monther M. TI - Molecular prevalence of point mutations conferring resistance to clarithromycin in Helicobacter pylori in the United Arab Emirates DP - 2005 May 01 TA - Saudi Medical Journal PG - 763--766 VI - 26 IP - 5 4099 - http://smj.org.sa/content/26/5/763.short 4100 - http://smj.org.sa/content/26/5/763.full SO - Saudi Med J2005 May 01; 26 AB - OBJECTIVE: The aim of the study was to find the prevalence of point mutations conferring resistance to clarithromycin in Helicobacter pylori (H. pylori) in the United Arab Emirates.METHODS: Gastric biopsy samples were obtained from 9 dyspeptic patients attending the endoscopy department in Zayed Military Hospital, Abu-Dhabi, UAE during the period from January to September 2004. Real-time polymerase chain reaction (PCR) was carried out for these biopsies to determine the point mutations.RESULTS: Of the 55 (60%) real-time biopsies that were PCR positive for H. pylori, 36 (65.5%) were found to have mutant genes. The A(2142/43)G mutation was more common (63.6%) than the A(2142)C mutation (18.2%).CONCLUSION: Point mutations A(2442/43)G and A(2142)C and the combination of both were common among our patients. Perhaps the highest reported yet. Mutation at A(2142/43)G is far more common than mutation at A(2142)C.