International Journal of Oral Biology

The Korean Academy of Oral Biology (대한구강생물학회)
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Autophagy inhibition by cudraxanthone D regulates epithelial-mesenchymal transition in SCC25 cells

  • Yu, Su-Bin (Department of Dental Hygiene, Gimhae College) ;
  • Bang, Tae-Hyun (Department of Oral Anatomy, School of Dentistry, Pusan National University) ;
  • Kang, Hae-Mi (Department of Oral Anatomy, School of Dentistry, Pusan National University) ;
  • Park, Bong-Soo (Department of Oral Anatomy, School of Dentistry, Pusan National University) ;
  • Kim, In-Ryoung (Department of Oral Anatomy, School of Dentistry, Pusan National University)
  • Received : 2021.02.11
  • Accepted : 2021.03.15
  • Published : 2021.03.31
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Abstract

Cudraxanthone D (CD) is a natural xanthone compound derived from the root barks of Cudrania tricuspidata. However, the biological functions of CD in human metabolism have been rarely reported until now. Autophagy is the self-degradation process related to cancer cell metastasis. Here, we elucidated the effects of CD on human oral squamous cell carcinoma (OSCC) cells' metastatic ability. We confirmed that CD effectively decreased the proliferation and viability of SCC25 human OSCC cells in time- and dose-dependent manners. Also, the metastasis phenotype of the SCC25 cell (migration, invasion, and epithelial-mesenchymal transition [EMT]) was inhibited by CD. To further investigate the mechanism by which CD inhibited the metastatic capacity, we detected the relationship between EMT and autophagy in the SCC25 cells. The results revealed that CD inhibited the metastasis of the SCC25 cells by attenuating autophagy. Thus, our findings produced a potential novel agent for the treatment of human OSCC metastasis.

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References

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