HSP70 and genomic stability

Tej K. Pandita, Ryuji Higashikubo, Clayton R. Hunt

Research output: Contribution to journalReview article

Abstract

The 70 kDa heat shock proteins (HSP70s) were initially identified by their elevated expression following hyperthermic cell stress, however, these highly conserved proteins also protect critical cellular functions from a wider range of important environmental and physiological stresses. At least one result of HSP70 expression is inhibition of stress induced caspase activation as well as downstream events in the apoptotic cell death pathway. HSP70 have been reported upregulated in tumor cells, selective inhibition of such proteins might be valuable approach to treat cancer. A recent study revealed that cells with inactivated HSP70 displayed telomere instability and high frequency of spontaneous chromosomal aberrations, indicating a possible role for HSP70 proteins in the maintenance of genomic stability.

Original languageEnglish (US)
Pages (from-to)589-590
Number of pages2
JournalCell Cycle
Volume3
Issue number5
DOIs
StatePublished - May 2004

Keywords

  • HSP70
  • Heat
  • Ionizing radiations
  • Stress
  • Telomerase
  • Telomeres

ASJC Scopus subject areas

  • Molecular Biology
  • Developmental Biology
  • Cell Biology

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