Many mechanisms for hsp70 protection from cerebral ischemia

J Neurosurg Anesthesiol. 2004 Jan;16(1):53-61. doi: 10.1097/00008506-200401000-00010.

Abstract

Overexpression of inducible Hsp70 has been shown to provide protection from cerebral ischemia both in animal models of stroke and in cell culture models. New work suggests that there are multiple routes of cell death, including apoptotic and necrotic cell death. Hsp70 is known to protect from both necrotic and apoptotic cell death. In addition to the well-studied role of Hsp70 as a molecular chaperone assisting in correct protein folding, several new mechanisms by which Hsp70 can prevent cell death have been described. Hsp70 is now known to regulate apoptotic cell death both directly by interfering with the function of several proteins that induce apoptotic cell death as well as indirectly by increasing levels of the anti-death protein bcl-2. Despite these new insights into the ways in which Hsp70 functions as an anti-death protein, further surprises are likely as we continue to gain insight into the functioning of this multifaceted protein.

Publication types

  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, P.H.S.
  • Review

MeSH terms

  • Animals
  • Brain Ischemia / metabolism*
  • Cell Death / drug effects
  • HSP70 Heat-Shock Proteins / metabolism*
  • HSP70 Heat-Shock Proteins / pharmacology*
  • Humans
  • Neuroprotective Agents / metabolism
  • Neuroprotective Agents / pharmacology*
  • Signal Transduction / drug effects
  • Signal Transduction / physiology

Substances

  • HSP70 Heat-Shock Proteins
  • Neuroprotective Agents