Protective effects and mechanisms of sirtuins in the nervous system

Feng Zhang, Suping Wang, Li Gan, Peter Vosler, Yanqin Gao, Michael J. Zigmond, Jun Chen

Research output: Contribution to journalReview article

Abstract

Silent information regulator two proteins (sirtuins or SIRTs) are a group of histone deacetylases whose activities are dependent on and regulated by nicotinamide adenine dinucleotide (NAD+). They suppress genome-wide transcription, yet upregulate a select set of proteins related to energy metabolism and pro-survival mechanisms, and therefore play a key role in the longevity effects elicited by calorie restriction. Recently, a neuroprotective effect of sirtuins has been reported for both acute and chronic neurological diseases. The focus of this review is to summarize the latest progress regarding the protective effects of sirtuins, with a focus on SIRT1. We first introduce the distribution of sirtuins in the brain and how their expression and activity are regulated. We then highlight their protective effects against common neurological disorders, such as cerebral ischemia, axonal injury, Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, and multiple sclerosis. Finally, we analyze the mechanisms underlying sirtuin-mediated neuroprotection, centering on their non-histone substrates such as DNA repair enzymes, protein kinases, transcription factors, and coactivators. Collectively, the information compiled here will serve as a comprehensive reference for the actions of sirtuins in the nervous system to date, and will hopefully help to design further experimental research and expand sirtuins as therapeutic targets in the future.

Original languageEnglish (US)
Pages (from-to)373-395
Number of pages23
JournalProgress in Neurobiology
Volume95
Issue number3
DOIs
StatePublished - Nov 1 2011
Externally publishedYes

Fingerprint

Sirtuins
Nervous System
NAD
DNA Repair Enzymes
Histone Deacetylases
Amyotrophic Lateral Sclerosis
Neuroprotective Agents
Nervous System Diseases
Brain Ischemia
Protein Kinases
Energy Metabolism
Multiple Sclerosis
Parkinson Disease
Alzheimer Disease
Proteins
Chronic Disease
Research Design
Transcription Factors
Up-Regulation
Genome

Keywords

  • Cell death
  • Cerebral ischemia
  • Deacetylation
  • Neurodegenerative disease
  • Neuroprotection
  • SIRT1

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Protective effects and mechanisms of sirtuins in the nervous system. / Zhang, Feng; Wang, Suping; Gan, Li; Vosler, Peter; Gao, Yanqin; Zigmond, Michael J.; Chen, Jun.

In: Progress in Neurobiology, Vol. 95, No. 3, 01.11.2011, p. 373-395.

Research output: Contribution to journalReview article

Zhang, Feng ; Wang, Suping ; Gan, Li ; Vosler, Peter ; Gao, Yanqin ; Zigmond, Michael J. ; Chen, Jun. / Protective effects and mechanisms of sirtuins in the nervous system. In: Progress in Neurobiology. 2011 ; Vol. 95, No. 3. pp. 373-395.
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