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Release of Heat Shock Proteins and their Effects When in the Extracellular Space in the Nervous System

  • Michael Tytell
  • Mac B. Robinson
  • Carolanne E. Milligan
Part of the Heat Shock Proteins book series (HESP, volume 3)

Abstract

The ability of heat shock proteins (Hsps) to make cells more resistant to most types of metabolic stress has great implications for all post-mitotic cells, especially those of the nervous system. Preventing the loss of neurons is a more parsimonious approach to treatment of injury and disease than is replacement because of the difficulty in reconstructing the complex architecture of the nervous system, the basis for its function storage of information. The discoveries that the 70,kD Hsps are released and that neurons can take them up from the extracellular fluid provides a rationale to investigate how to use them to rescue injured neurons teetering between life and death. We present some of the history behind those discoveries and review the current understanding of the release and uptake of the 70,kD Hsps, discussing the distinct significance these observations have for neurons and some hypotheses about how extracellular Hsps protect neurons from potentially lethal injuries

Keywords

Exogenous extracellular Hsp70 Hsc70 neuronal injury apoptosis 

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© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Michael Tytell
    • 1
    • 2
  • Mac B. Robinson
    • 1
    • 3
  • Carolanne E. Milligan
    • 1
    • 2
    • 3
  1. 1.Department of Neurobiology and AnatomyWake Forest University School of MedicineWinston-SalemUSA
  2. 2.Program in NeuroscienceWake Forest University School of MedicineWinston-SalemUSA
  3. 3.Molecular Genetics and Genomics ProgramWake Forest University School of MedicineWinston-SalemUSA

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