Heat-Shock Proteins and Acute Ischaemic Kidney Injury

Stephen O'Neill, Ewen M Harrison, James A Ross, Stephen J Wigmore, Jeremy Hughes

Research output: Contribution to journalArticlepeer-review

Abstract

The incidence of acute kidney injury due to ischaemia-reperfusion injury (IRI) is rising but effective treatments and preventative approaches are currently lacking. IRI is also an inevitable consequence of kidney transplantation and significantly contributes to delayed graft function. Heat-shock proteins (Hsps) are highly conserved and ubiquitously expressed molecular chaperones that help maintain and restore normal cellular function in the kidney following IRI. Hsp70 is one of the most frequently studied Hsps because of potential cytoprotective properties and attractiveness as a therapeutic target. However, the protective properties of Hsp70 in renal IRI are not fully understood and putative modes of protection include correction of protein conformation, cytoskeletal stabilisation, anti-inflammatory effects, requirement in autophagy, anti-apoptotic properties, influence over macrophage phenotype and stimulation of regulatory T cells. Significant clinical interest has been generated about the possibility of applying pharmacological agents to induce Hsp70 and prevent renal IRI, but prior to this, an increased mechanistic understanding of the protective nature of Hsp70 is needed. In particular, further investigation of Hsp expression on inflammatory cell behaviour is required as this could lead to the development of new therapeutic strategies for enhancing recovery following renal IRI and broaden the range of these therapies to a wider group of patients.

Original languageEnglish
Pages (from-to)167-174
Number of pages8
JournalNephron Experimental Nephrology
Volume126
Issue number4
Early online date6 Jun 2014
DOIs
Publication statusPublished - Jul 2014

Keywords

  • Acute kidney injury
  • 
Heat-shock protein

  • Ischemia-reperfusion injury

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