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Heat shock protein 70: Correlation of expression with degree of graft-versus-host response and clinical graft-versus-host disease

Lookup NU author(s): Mandy Jarvis, Dr Xiao WangORCiD, Professor Anne Dickinson


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Background. The heat shock proteins are increasingly becoming associated with immunopathologic phenomena, being induced in response to inflammation. They are highly immunogenic and are postulated as playing a role in both innate and adaptive immunity. Their proposed role in peptide binding and antigen presentation could suggest a potential role in the alloreactive process that leads to graft-versus-host disease (GVHD) after bone marrow transplantation. Methods. In this study we examined the expression of the widely studied heat shock protein 70 (hsp70) in an in vitro-generated graft-versus-host reaction in human skin, using streptavidin biotin immunohistochemistry and laser scanning confocal microscopy. Results. Hsp70 expression was correlated with high graft-versus-host responses (P<0.001) and was confirmed using laser scanning confocal microscopy. Increased expression of hsp70 was further defined due to increases in the inducible form of hsp70. Expression of inducible hsp70 was predictive of both clinical acute GVHD (P=0.001) and incidence of chronic GVHD (P<0.001). Conclusions. This investigation has demonstrated for the first time the expression of hsp70 in a human model of GVHD, suggesting involvement in the pathogenesis of the disease and providing the basis for further investigation. Increased expression of inducible hsp70 in the model could provide a biologic marker for the prediction of clinical acute and chronic GVHD.

Publication metadata

Author(s): Dickinson AM; Jarvis M; Wang XN; Marzolini M; Jackson G; Sviland L

Publication type: Article

Publication status: Published

Journal: Transplantation

Year: 2003

Volume: 76

Issue: 5

Pages: 849-853

ISSN (print): 0041-1337

ISSN (electronic):

Publisher: Lippincott Williams & Wilkins


DOI: 10.1097/01.TP.0000083556.73555.78


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