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Macrolide And Fluoroquinolone Resistance In Helicobacter Pylori Isolates: An Experience At A Tertiary Care Centre In Pakistan, Sana Rajper, Erum Khan, Zubair Ahmad, Syed Muhammad Zaheer Alam, Adil Akbar, Rumina Hasan
Macrolide And Fluoroquinolone Resistance In Helicobacter Pylori Isolates: An Experience At A Tertiary Care Centre In Pakistan, Sana Rajper, Erum Khan, Zubair Ahmad, Syed Muhammad Zaheer Alam, Adil Akbar, Rumina Hasan
Department of Pathology and Laboratory Medicine
Objective:
To assess fluoroquinolone and clarithromycin susceptibility pattern along with the types of genomic mutations involved in the resistance of Helicobacter pylori isolates.
Methods:
The cross-sectional study was conducted at the Department of Pathology and Microbiology, Aga Khan University Hospital, Karachi, from June 2009 to July 2010, and comprised 162 gastric biopsy samples which were tested with GenoTypeHelicoDR (Hain Lifescience GmbH, Germany), a reverse hybridisation multiplex polymerase chain reaction (PCR) line probe assay (LiPA). Also, 23S rRNA (ribosomal ribonucleic acid) gene was analysed with three-point mutations at A2146G, A2146C and A2147G for clarithromycin, and gyrA gene was analyzed at two …