Activities of prenylphenol derivatives from fruitbodies of Albatrellus spp. on the human and rat vanilloid receptor 1 (VR 1) and characterisation of the novel natural product, confluentin

Research output: Journal contributionsJournal articlesResearch

Authors

  • Veronika Hellwig
  • Reilinde Nopper
  • Frank Mauler
  • Joachim Freitag
  • Liu Ji-Kai
  • Ding Zhi-Hui
  • Marc Stadler

Several prenylphenols from basidiocarps of European and Chinese Albatrellus spp., namely grifolin (1), neogrifolin (2), confluentin (3), scutigeral (4), and albaconol (5) were investigated concerning their activities in test models for vanilloid receptor modulation. The isolation of these compounds from A. confluens and structure elucidation of the novel natural product confluentin (3) are described. The effects of scutigeral and neogrifolin on vanilloid receptors were studied by means of electrophysiological methodology on rat dorsal root ganglion neurons as well as on recombinant cell lines expressing the rat VR1 receptor. Concurrently, the effects of compounds 1-5 on a reporter cell line expressing the human vanilloid receptor VR1 were measured. In contrast to previous studies reported in the literature, the results of these investigations suggest that fungal prenylphenols act as weak antagonists (activity in the μM range), rather than exhibiting agonistic activities.

Original languageEnglish
JournalArchiv der Pharmazie
Volume336
Issue number2
Pages (from-to)119-126
Number of pages8
ISSN0365-6233
DOIs
Publication statusPublished - 01.04.2003

    Research areas

  • Chemistry
  • Albaconol, Basidiomycetes, Grifolin, Neogrifolin, Pain, Scutigeral

DOI

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