Heat‐Shock Proteins

Zihai Li1, Pramod Srivastava1

1 University of Connecticut School of Medicine, Farmington, Connecticut
Publication Name:  Current Protocols in Immunology
Unit Number:  Appendix 1T
DOI:  10.1002/0471142735.ima01ts58
Online Posting Date:  February, 2004
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Heat‐shock proteins (HSPs), or stress proteins, are highly conserved and present in all organisms and in all cells of all organisms. Selected HSPs, also known as chaperones, play crucial roles in folding/unfolding of proteins, assembly of multiprotein complexes, transport/sorting of proteins into correct subcellular compartments, cell‐cycle control and signaling, and protection of cells against stress/apoptosis. More recently, HSPs have been implicated in antigen presentation with the role of chaperoning and transferring antigenic peptides to the class I and class II molecules of the major histocompatibility complexes. In addition, extracellular HSPs can stimulate professional antigen‐presenting cells of the immune system, such as macrophages and dendritic cells. HSPs constitute a large family of proteins that are often classified based on their molecular weight: hsp10, hsp40, hsp60, hsp70, hsp90, etc. This unit contains a table that lists common HSPs and summarizes their characteristics including (a) name, (b) subcellular localization, (c) known function, (d) chromosome assignment, (e) brief comments, and (f) references.

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Table of Contents

  • Literature Cited
  • Tables
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Literature Cited

Literature Cited
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