A new xanthene from Desmostachya bipinnata (L.) stapf inhibits signal transducer and activator of transcription 3 (STAT3) and low-density lipoprotein-oxidation

Sabina Shrestha, Ji Hae Park, Dae Young Lee, Jin Gyeong Cho, En ji Cui, In Sik Chung, Byoung Mog Kwon, Moon Hee Cho, Tae Sook Jeong, Nam In Baek

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

A new xanthene was isolated from the methanolic extract of Desmostachya bipinnnata through repeated silica gel and octadecyl silica gel column chromatographies. Based on spectroscopic data including nuclear magnetic resonance, fast atom bombardment mass spectrometry, and infrared spectroscopy, chemical structure of the compound was determined to be 2,6-dihydroxy-7-methoxy-3H-xanthen-3-one. The compound exhibited inhibitions of signal transducer and activator of transcription 3-dependent luciferase activity in HCT-116 colon cancer cell line with IC50 value of 5 μM and low-density lipoprotein-oxidation with IC50 value of 27.2 μM.

Original languageEnglish
Pages (from-to)308-311
Number of pages4
JournalJournal of Applied Biological Chemistry
Volume54
Issue number2
DOIs
StatePublished - 2011

Keywords

  • 2
  • 6-dihydroxy-7-methoxy-3h-xanthen-3-one
  • Desmostatchya bipinnata
  • Low-density lipoprotein-oxidation
  • Signal transducer and activator of transcription

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