Metabolic downregulation: A key to successful neuroprotection?

Midori Yenari, Kazuo Kitagawa, Patrick Lyden, Miguel Perez-Pinzon

Research output: Contribution to journalReview article

105 Scopus citations

Abstract

Background and Purpose: The search for effective neuroprotectants remains frustrating, particularly with regard to specific pharmaceuticals. However, laboratory studies have consistently shown remarkable neuroprotection with 2 nonpharmacological strategies-therapeutic hypothermia and ischemic preconditioning. Recent studies have shown that the mechanism of protection underlying both of these treatments is correlated to downregulation of cellular and tissue metabolism. Thus, understanding the mechanisms underlying such robust protective effects could lead to appropriate translation at the clinical level. In fact, hypothermia is already being used at many centers to improve neurological outcome from cardiac arrest. Methods: A systematic review of both topics is presented in terms of underlying pathophysiological mechanisms and application at the clinical level. Results: Although the mechanisms of protection for both therapeutic strategies are multifold, both share features of downregulating metabolism. Both therapeutic strategies are robust neuroprotectants, but translating them to the clinical arena is challenging, though not impossible, and clinical studies have shown or suggest benefits of both treatments. Conclusions: The strategy of metabolic downregulation should be further explored to identify effective neuroprotectants that can be easily applied clinically.

Original languageEnglish (US)
Pages (from-to)2910-2917
Number of pages8
JournalStroke
Volume39
Issue number10
DOIs
StatePublished - Oct 1 2008

Keywords

  • Cerebral ischemia
  • Hypothermia
  • Ischemic tolerance

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Clinical Neurology
  • Advanced and Specialized Nursing
  • Medicine(all)

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