Austalides V and W, new meroterpenoids from the fungus Aspergillus ustus and their antitumor activities

Tatiana V. Antipova, Kirill V. Zaitsev, Yuri F. Oprunenko, Alexander Ya. Zherebker, Gleb K. Rystsov, Marina Y. Zemskova, Valentina P. Zhelifonova, Natalya E. Ivanushkina, Anatoly G. Kozlovsky

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Two new austalide meroterpenoids, named austalides V and W (1 and 2), were isolated from the fungus Aspergillus ustus VKM F-4692. Their structures were elucidated by extensive spectroscopic analysis and by comparison with related known compounds. The main structural feature of both compounds is a tetrahydrofuranyl ring (G), a structural fragment, first found in austalides. Austalides V (1) and W (2) were able to inhibit the propagation of prostate and bladder cancer cells; this biologic activity is possibly related to the inhibition of a number of key pathways regulating cell growth and migration.

Original languageEnglish
Article number126708
JournalBioorganic and Medicinal Chemistry Letters
Volume29
Issue number22
DOIs
StatePublished - 15 Nov 2019
Externally publishedYes

Keywords

  • AKT-mTORC1 signaling pathway
  • Aspergillus ustus
  • Austalide
  • Fungus
  • Prostate and bladder cancer cells

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Medicine
  • Molecular Biology
  • Pharmaceutical Science
  • Drug Discovery
  • Clinical Biochemistry
  • Organic Chemistry

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