Cytotoxic and neuroprotective biflavonoids from the fruit of Rhus parviflora

Sabina Shrestha, Ji Hae Park, Dae Young Lee, Jin Gyeong Cho, Woo Duck Seo, Hee Cheol Kang, Ki Hyun Yoo, In Sik Chung, Yong Jin Jeon, Seung Woo Yeon, Nam In Baek

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Six biflavonoids, succedaneaflavanone (1), mesuaferrone B (2), rhusflavanone (3), rhusflavone (4), agathisflavone (5), and cupressuflavone (6), were isolated from the fruits of Rhus parviflora. The chemical structures of the compounds were determined based on NMR, fast atom bombardment mass spectrometry, and IR. Biflavonoid compounds were evaluated for cytotoxicity against human cancer cell lines, including human colon carcinoma (HCT-116), human breast carcinoma (MCF-7), and human cervical carcinoma (HeLa). Biflavonoids 2, 3, and 5 showed significant cytotoxicity with IC50 values of 17.25 μM (mesuaferrone B against HCT-116), 17.50 μM (rhusflavone against MCF-7), and 15.20 μM (agathisflavone against HeLa). Compound 5 showed inhibition of β-secretase activity at a 10 μM concentration. Compound 6 showed inhibition of cyclin-dependent kinases (CDK2 and CDK5) with IC50 values of 18.58 and 9.29 μM, respectively.

Original languageEnglish
Pages (from-to)557-562
Number of pages6
JournalJournal of the Korean Society for Applied Biological Chemistry
Volume55
Issue number4
DOIs
StatePublished - Aug 2012

Keywords

  • agathisflavone
  • biflavonoid
  • cupressuflavone
  • cytotoxicity
  • mesuaferrone B
  • neuroprotection
  • rhusflavanone
  • rhusflavone
  • succedaneaflavanone

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