Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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The Beneficial Effect of Platycodon grandiflorum on DSS-induced Colitis through Regulation of HIF-1α in Mice

  • Yang, Mi-Ok (Wonkwang Institute of Nature Healthcare Studies) ;
  • Myung, Noh-Yil (Department of Oriental Medicine and Healthcare, Wonkwang Digital University)
  • Received : 2022.05.11
  • Accepted : 2022.05.11
  • Published : 2022.06.01
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Abstract

Ulcerative colitis (UC) is a typical inflammatory colon disorder. Platycodon grandiflorum (PG) is known to exert various beneficial effects including anti-oxidative and anti-bacterial properties and improvements in liver function. However, the improving effect and mechanism of PG on intestinal inflammation are not fully understood. The present research was designed to investigate the effect of PG on the clinical signs of DSS-induced colitis in mice. The ameliorative effects of PG on inflammatory cytokine expression and the activation of hypoxia-inducible-factor (HIF)-1α in DSS-treated colon tissue were also determined. Our results showed that mice treated with DSS displayed the main clinical symptoms of colitis, including weight loss, bloody stools, decrease in colon length and diarrhea and PG treatment significantly improved the clinical features induced by DSS in mice. PG inhibited the increase in the levels of inflammatory cytokines caused by DSS in colon tissues. We also showed that the anti-inflammatory mechanism of PG involved suppressing the activation of HIF-1α in DSS-treated colon tissues. Collectively, the findings of this study indicate the prospect of developing new drugs from PG for UC treatment.

Keywords

Acknowledgement

This study was supported by Wonkwang Digital University in 2022.

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