Developing antineoplastic agents that target peroxisomal enzymes: Cytisine-linked isoflavonoids as inhibitors of hydroxysteroid 17-beta-dehydrogenase-4 (HSD17B4)

Mykhaylo S. Frasinyuk, Wen Zhang, Przemyslaw Wyrebek, Tianxin Yu, Xuehe Xu, Vitaliy M. Sviripa, Svitlana P. Bondarenko, Yanqi Xie, Huy X. Ngo, Andrew J. Morris, James L. Mohler, Michael V. Fiandalo, David S. Watt, Chunming Liu

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

Cytisine-linked isoflavonoids (CLIFs) inhibited PC-3 prostate and LS174T colon cancer cell proliferation by inhibiting a peroxisomal bifunctional enzyme. A pull-down assay using a biologically active, biotin-modified CLIF identified the target of these agents as the bifunctional peroxisomal enzyme, hydroxysteroid 17β-dehydrogenase-4 (HSD17B4). Additional studies with truncated versions of HSD17B4 established that CLIFs specifically bind the C-terminus of HSD17B4 and selectively inhibited the enoyl CoA hydratase but not the d-3-hydroxyacyl CoA dehydrogenase activity. HSD17B4 was overexpressed in prostate and colon cancer tissues, knocking down HSD17B4 inhibited cancer cell proliferation, suggesting that HSD17B4 is a potential biomarker and drug target and that CLIFs are potential probes or therapeutic agents for these cancers.

Original languageEnglish
Pages (from-to)7623-7629
Number of pages7
JournalOrganic and Biomolecular Chemistry
Volume15
Issue number36
DOIs
StatePublished - 2017

Bibliographical note

Publisher Copyright:
© 2017 The Royal Society of Chemistry.

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry

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