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Deoxyverrucosidin, a novel GRP78/BiP down-regulator, produced by Penicillium sp.

  • Soo Jin Choo
  • , Hae Ryong Park
  • , In Ja Ryoo
  • , Jong Pyung Kim
  • , Bong Sik Yun
  • , Chang Jin Kim
  • , Kazuo Shin-Ya
  • , Ick Dong Yoo*
  • *Corresponding author for this work
  • Korea Research Institute of Bioscience and Biotechnology
  • Kyungnam University
  • The University of Tokyo

Research output: Contribution to journalJournal articlepeer-review

Abstract

Glucose-regulated protein 78 (GRP78) resides in endoplasmic reticulum (ER) and plays a role in protecting tumor cells against the toxic effects of anticancer agents. During the search for down-regulators of GRP78 using a reporter gene (luciferase) assay system, we isolated a novel compound designated as deoxyverrucosidin (1), a congener of verrucosidin (2), from Penicillium sp. and identified it as a down-regulator of the grp78 gene. The structure of 1 was determined by mainly ESI-mass and two-dimensional NMR spectra. 1 dose-dependently inhibited the expression of GRP78 promoter with an IC 50 of 30 nM.

Original languageEnglish
Pages (from-to)210-213
Number of pages4
JournalJournal of Antibiotics
Volume58
Issue number3
DOIs
StatePublished - 2005.03

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Anticancer agents
  • Deoxyverrucosidin
  • Glucose-regulated protein 78 (GRP78)
  • Penicillium sp.

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