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SIRT2- and NRF2-Targeting Thiazole-Containing Compound with Therapeutic Activity in Huntington's Disease Models

  • Luisa Quinti
  • , Malcolm Casale
  • , Sébastien Moniot
  • , Teresa F. Pais
  • , Michael J. Van Kanegan
  • , Linda S. Kaltenbach
  • , Judit Pallos
  • , Ryan G. Lim
  • , Sharadha Dayalan Naidu
  • , Heike Runne
  • , Lisa Meisel
  • , Nazifa Abdul Rauf
  • , Dmitriy Leyfer
  • , Michele M. Maxwell
  • , Eddine Saiah
  • , John E. Landers
  • , Ruth Luthi-Carter
  • , Ruben Abagyan
  • , Albena T. Dinkova-Kostova
  • , Clemens Steegborn
  • J. Lawrence Marsh, Donald C. Lo, Leslie M. Thompson, Aleksey G. Kazantsev

Research output: Contribution to journalArticlepeer-review

84 Citations (Scopus)

Abstract

There are currently no disease-modifying therapies for the neurodegenerative disorder Huntington's disease (HD). This study identified novel thiazole-containing inhibitors of the deacetylase sirtuin-2 (SIRT2) with neuroprotective activity in ex vivo brain slice and Drosophila models of HD. A systems biology approach revealed an additional SIRT2-independent property of the lead-compound, MIND4, as an inducer of cytoprotective NRF2 (nuclear factor-erythroid 2 p45-derived factor 2) activity. Structure-activity relationship studies further identified a potent NRF2 activator (MIND4-17) lacking SIRT2 inhibitory activity. MIND compounds induced NRF2 activation responses in neuronal and non-neuronal cells and reduced production of reactive oxygen species and nitrogen intermediates. These drug-like thiazole-containing compounds represent an exciting opportunity for development of multi-targeted agents with potentially synergistic therapeutic benefits in HD and related disorders.

Original languageEnglish
Pages (from-to)849-861
Number of pages13
JournalCell Chemical Biology
Volume23
Issue number7
DOIs
Publication statusPublished - 21 Jul 2016
Externally publishedYes

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