2-Hydroxycurcuminoid induces apoptosis of human tumor cells through the reactive oxygen species-mitochondria pathway

Young Min Han, Dae Seop Shin, Yu Jin Lee, Ismail Ahmed Ismail, Su Hyung Hong, Dong Cho Han, Byoung Mog Kwon

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

2-Hydroxycinnamaldehyde (HCA) and curcumin have been reported to have antitumor effects against various human tumor cells in vitro and in vivo by generation of ROS. Aldehyde-free HCA analogs were synthesized based on the structure of curcumin, which we have called 2-hydroxycurcuminoids. The hydroxyl group of curcuminoids enhances the ability to generate ROS. 2-Hydroxycurcuminoid (HCC-7) strongly inhibited the growth of SW620 colon tumor cells with a GI 50 value of 7 μM, while the parent compounds, HCA and curcumin, displayed GI 50 values of 12 and 30 μM, respectively. HCC-7 was found to induce apoptosis through the reactive oxygen species-mitochondria pathway and cell cycle arrest at G2/M phase.

Original languageEnglish
Pages (from-to)747-751
Number of pages5
JournalBioorganic and Medicinal Chemistry Letters
Volume21
Issue number2
DOIs
StatePublished - 15 Jan 2011

Keywords

  • Apoptosis
  • Curcuminoid
  • Hydroxycinnamaldehyde
  • Reactive oxygen species

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