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African Journal of Traditional, Complementary and Alternative Medicines
African Ethnomedicines Network
ISSN: 0189-6016
Vol. 14, No. 1, 2017, pp. 263-271
Bioline Code: tc17028
Full paper language: English
Document type: Research Article
Document available free of charge

African Journal of Traditional, Complementary and Alternative Medicines, Vol. 14, No. 1, 2017, pp. 263-271

 en INHIBITORY ACTIVITY OF MANGIFERIN ON HELICOBACTER PYLORI check for this species in other resources -INDUCED INFLAMMATION IN HUMAN GASTRIC CARCINOMA AGS CELLS
Zhang, Qiu-jie & Yue, Lu

Abstract

Background: Gastric cancer is a serious health issue caused by H. pylori and claims more lives in developing and undeveloped countries. Hence, the need for a natural drug with several pharmacological activities with no adverse effect are highly recommended. The target of this study was to verify the anti-H. pyloric efficacy of mangiferin (MF) on H. pylori-infected AGS cells.
Materials and Methods: AGS cells were co-cultured with H. pylori and incubated with increased concentration of MF (10, 20, 50 and 100 µg/mL) or amoxicillin (AMX) and DMSO (control) group to assess its anti-H. pyloric effect by checking inhibitory zone, bacterial drug sensitivity test (MIC and MBC), adhesion and invasive property and various inflammatory markers.
Results: Co-culturing of H. pylori-infected AGS cells with MF (100 µg) considerably increased (p<0.05) the inhibitory zone as well as substantially lowered (p<0.05) in the levels of MBC and MIC with decreased adhesion and invasive property in a dose-dependent manner and thus endorsing its anti-H. pyloric activity and are almost equivalent to antibiotic AMX. Meanwhile, inflammatory markers such as NF-κB subunit p65, interleukins-1β, IL-8, and TNF-α were also markedly suppressed (p<0.01) on treatment with MF. In addition, the protein expression of inflammatory enzymes like COX-2 and iNOS were notably downregulated (p<0.05) in AGS cells incubated with MF.
Conclusion: We, concluded that MF treatment with H. pylori-infected AGS cells significantly suppressed the adhesion and invasion process as well as deactivated NF-p65 thereby blocking inflammatory response and thus lower the incidence of gastric carcinoma.

Keywords
Gastric cancer; mangiferin; AGS cells; H. pylori; amoxicillin; anti-inflammatory

 
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