Iranian Journal of Basic Medical Sciences (May 2021)

Effects of the diphenylheptane extract of Alpinia officinarum rhizomes on ethanol-induced gastric ulcers in mice

  • Kaiwen Lin,
  • Huijuan Qu,
  • Yinfeng Tan,
  • Tang Deng,
  • Bingmiao Gao,
  • Na Wei

DOI
https://doi.org/10.22038/ijbms.2021.53644.12068
Journal volume & issue
Vol. 24, no. 5
pp. 657 – 665

Abstract

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Objective(s): Experimental studies have revealed that Alpinia officinarum Hance (Zingiberaceae) exhibits a gastrointestinal protective effect. The present study aimed to investigate the effects of diphenylheptanes (DPHs) extracted from A. officinarum rhizomes on ethanol-induced gastric ulcers in BALB/c mice.Materials and Methods: A total of 60 female BALB/c mice were divided into six groups as follows: negative control, which received sodium carboxymethyl cellulose; positive control, which received ethanol; treatment control, which received ethanol+ranitidine; ethanol+high dose of DPHs; ethanol+medium dose of DPHs; ethanol+low dose of DPHs. Different doses of DPHs were administered orally once daily for seven consecutive days before the animals were subjected to ethanol-induced gastric ulcers.Results: Various doses of DPHs significantly reduced Gastric ulcers index when compared with the positive control. DPHs treatments and treatment control increased the activity of superoxide dismutase; decreased the levels of inflammatory mediators, malondialdehyde, motilin, and gastrin; decreased the activity of inducible nitric oxide synthase and cyclooxygenase-2; and inhibited the expression of Toll-like receptor 4, myeloid differentiation factor 88, and nuclear factor-κB at the protein and mRNA levels. In addition, DPHs inhibited the expression of transient receptor potential vanilloid 1, calcitonin gene-related peptide, and increased the expression of substance P at the protein and mRNA levels. Conclusion: The protective effect of DPHs extracted from A. officinarum rhizomes against ethanol-induced gastric damages in mice suggests that the extract can be used as an auxiliary supplement for the prevention and treatment of gastric ulcers.

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