The distinctive role of small heat shock proteins in oncogenesis.

Recently, the role of small heat shock proteins (HSPs) has been widely recognized in cancer research. Small HSPs are tumorprotective via numerous, independent mechanisms such as: oxidative stress, protection preventing protein denaturation, anti-apoptotic activity, and likely direct suppression of the immune system. However, it is unclear whether they play any role in the initial steps in carcinogenesis. This article seeks to familiarize the reader with general characteristics of small HSPs (especially HSP-27, alphaA/B-crystallins), their tissue distribution with special regard on expression in malignant specimens, and biological properties of intracellular HSP-27 and alphaA/B-crystallins promoting tumor genesis and growth. A separate chapter describes immunomodulatory characteristics of extracellular HSP-27 with special emphasis on their plausible effect on the neoplasm development.
AuthorsKrzysztof Laudanski, Dorota Wyczechowska
JournalArchivum immunologiae et therapiae experimentalis (Arch Immunol Ther Exp (Warsz)) 2006 Mar-Apr Vol. 54 Issue 2 Pg. 103-11 ISSN: 0004-069X [Print] Switzerland
PMID16648970 (Publication Type: Journal Article, Review)
Chemical References
  • Crystallins
  • Heat-Shock Proteins
  • Heat-Shock Proteins, Small
  • Animals
  • Crystallins (metabolism, physiology)
  • Gene Expression Regulation, Neoplastic
  • Heat-Shock Proteins (blood, immunology)
  • Heat-Shock Proteins, Small (metabolism, physiology)
  • Humans
  • Models, Biological
  • Neoplasms (metabolism, pathology)
  • Tissue Distribution

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