Advances in characterization of human sirtuin isoforms: Chemistries, targets and therapeutic applications

Y. Cen, D. Y. Youn, A. A. Sauve

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

Since the discovery in 2000 that the yeast sirtuin called "Sir2" catalyzes NAD+ dependent histone deacetylation, a wave of research has focused on evaluating the biochemical and biological functions of sirtuins. Sirtuins are activated by low calorie diets in numerous organisms and are found throughout biology in species from archaea to humans. There are seven human sirtuin isoforms called SIRT1-SIRT7. The biochemical functions of SIRT1, SIRT2, SIRT3, SIRT5 and SIRT6 have been reported and NAD+ dependent deacetylase activities confirmed. In some instances the biological target substrates for each isoform have been identified, helping to connect distinct biological processes to sirtuin regulation. This knowledge has informed potential drug design strategies that target distinct sirtuin isoforms. This review presents current knowledge of biochemical activities of SIRT1-7 in humans and the biological consequences of these sirtuin activities. Regulatory principles that govern sirtuin deacetylation activity in cells are discussed as well as strategies for how sirtuins can be targeted by small molecules. Finally, this review updates research on pharmacologic sirtuin activation and allostery on sirtuins and considers new developments for detection and isolation of sirtuins in complex mixtures.

Original languageEnglish (US)
Pages (from-to)1919-1935
Number of pages17
JournalCurrent medicinal chemistry
Volume18
Issue number13
DOIs
StatePublished - May 1 2011
Externally publishedYes

Fingerprint

Sirtuins
Protein Isoforms
NAD
Biological Phenomena
Therapeutics
Caloric Restriction
Drug Design
Archaea
Complex Mixtures
Research
Histones
Yeast
Yeasts
Chemical activation
Molecules
Substrates
Pharmaceutical Preparations

Keywords

  • Activation
  • Deacetylase
  • Lifespan
  • Nicotinamide
  • Nicotinamide adenine dinucleotide
  • SIRT1
  • Sirtuins

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Medicine
  • Pharmacology
  • Drug Discovery
  • Organic Chemistry

Cite this

Advances in characterization of human sirtuin isoforms : Chemistries, targets and therapeutic applications. / Cen, Y.; Youn, D. Y.; Sauve, A. A.

In: Current medicinal chemistry, Vol. 18, No. 13, 01.05.2011, p. 1919-1935.

Research output: Contribution to journalArticle

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