ArticleDaru : journal of Faculty of Pharmacy, Tehran University of Medical Sciences2021
The influence of P-glycoprotein expression in the standard treatment of Helicobacter pylori infection in Sprague Dawley rats.
Article in Daru : journal of Faculty of Pharmacy, Tehran University of Medical Sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 5 citations in OpenAlex.
- Synergistic potentiation of antibiotics by chamomile phytochemicals against multidrug-resistant Helicobacter pylori.Gut pathogens · 2025Article
- Jatrorrhizine attenuates inflammatory response in Helicobacter pylori-induced gastritis by suppressing NLRP3 inflammasomes and NF-κB signaling pathway.Archives of microbiology · 2025Article
- Treatment ofHeliyon · 2023Review
- GC/MS analysis and potential synergistic effect of mandarin and marjoram oils onJournal of enzyme inhibition and medicinal chemistry · 2022Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundP-glycoprotein (P-gp) is an Adenosine triphosphate (ATP) dependent drug-efflux pump which is located abundantly in the stomach and protects the gut mucosa from xenobiotic.
objectiveThe purpose of this study was to investigate the influence of P-gp modulation on the efficacy of treatment regimen.
methodP-gp modulation in rats was performed by using P-gp inducer (150 mg/kg rifampicin) and P-gp inhibitor (10 mg/kg cyclosporine A) for 14 days prior to be infected with Helicobacter pylori (H. pylori). The rats were further divided into groups, which were normal control, vehicle control, antibiotics and omeprazole, antibiotics only and omeprazole only for another 2 weeks of treatment. The ulcer formation and P-gp expression were determined by using macroscopic evaluation and western blot analysis, respectively.
resultsThe highest P-gp expression was shown in the induced P-gp rats (2.00 ± 0.68) while the lowest P-gp expression was shown in the inhibited P-gp rats (0.45 ± 0.36) compared to the normal P-gp rats. In all groups, the rats which were infected with H. pylori, had a significant increase (p < 0.05) in P-gp expression level and a more severe ulcer formation compared to the healthy rats. The ulcer developed at different levels in the rats with inhibited, induced, or normal P-gp expression. After receiving the standard therapy for H. pylori, it was observed that the healing rate for ulcer was increased to 91% (rats with inhibited P-gp expression), 82% (rats with induced P-gp expression) and 75% in rats with normal P-gp. The use of rifampicin to induce P-gp level was also shown to be effective in eradicating the H. pylori infection.
conclusionThe synergism in the standard therapy by using two antibiotics (clarithromycin and amoxicillin) and proton pump inhibitor (omeprazole) have shown to effectively eradicate the H. pylori infection. Thus, P-gp expression influenced the effectiveness of the treatment.
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