Biochemistry and Biophysics Reports (Dec 2019)

Effect of piceatannol-rich passion fruit seed extract on human glyoxalase I–mediated cancer cell growth

  • Takayuki Yamamoto,
  • Akira Sato,
  • Yusuke Takai,
  • Atsushi Yoshimori,
  • Masahiro Umehara,
  • Yoko Ogino,
  • Mana Inada,
  • Nami Shimada,
  • Aya Nishida,
  • Risa Ichida,
  • Ryoko Takasawa,
  • Hiroko Maruki-Uchida,
  • Sadao Mori,
  • Masahiko Sai,
  • Minoru Morita,
  • Sei-ichi Tanuma

Journal volume & issue
Vol. 20

Abstract

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Passion fruit seed extract (PFSE), a product rich in stilbenes such as piceatannol and scirpusin B, has various physiological effects. It is unclear whether PFSE and its stilbene derivatives inhibit cancer cell proliferation via human glyoxalase I (GLO I), the rate-limiting enzyme for detoxification of methylglyoxal. We examined the anticancer effects of PFSE in two types of human cancer cell lines with different GLO I expression levels, NCI–H522 cells (highly-expressed GLO I) and HCT116 cells (lowly-expressed GLO I). PFSE and its stilbenes inhibited GLO I activity. In addition, PFSE and its stilbenes supressed the cancer cell proliferation of NCI–H522 cells more than HCT116 cells. These observations suggest that PFSE can provide a novel anticancer strategy for prevention and treatment. Keywords: Passion fruit seed extract, Piceatannol, Glyoxalase I, Anticancer