Stilbenes contribute to the anticancer effects of rheum undulatum L. Through activation of apoptosis

Tuy An Trinh, Dahae Lee, Seonju Park, Seung Hyun Kim, Jae Gyu Park, Ji Hwan Kim, Ki Sung Kang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Rheum undulatum L. (R. undulatum) is a medicinal plant used for the treatment of inflammatory diseases in East Asian countries. Numerous stilbenes isolated from R. undulatum have been revealed to possess anticancer effects. The aim of the present study was to evaluate the effect of extracts and compounds isolated from R. undulatum on human gastric cancer cell viability and to elucidate their molecular mechanism of action on the apoptosis pathway. The results demonstrated that aloe-emodin and chrysophanol 1-O-β-D-glucopyranoside, isolated from the methanolic extract of dried rhizomes of R. undulatum, exhibited anti-proliferative effects on the human gastric carcinoma cell line AGS, with IC 50 values of 84.66±0.44 and 68.28±0.29 µM, respectively. The percentage of apoptotic cells increased significantly following treatment with each compound at a concentration of 100 µM, compared with that in the non-treated group in the image-based cytometry assay. Western blot analysis revealed that these compounds activated the caspase cascade and inhibited B-cell lymphoma-2, an anti-apoptotic protein.

Original languageEnglish
Pages (from-to)2953-2959
Number of pages7
JournalOncology Letters
Volume17
Issue number3
DOIs
Publication statusPublished - 2019 Mar 1

Bibliographical note

Funding Information:
This study was funded by the Gachon University Research Fund, 2017 (grant no. GCU-2017-0132) and the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future Planning (grant no. NRF-2017R1A2B2011807).

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research

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