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FEMS Immunol Med Microbiol. 1994 Jan;8(1):43-8.

Epitope mapping human heat shock protein 90 with sera from infected patients.

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Department of Medical Microbiology, University of Manchester Medical School, UK.


Epitope mapping with sera from a range of infected patients showed that antibodies are commonly produced which cross-react with a number of epitopes on human heat shock protein 90 (HSP 90). Such autoreactive antibodies were particularly frequent in patients suffering from systemic candidiasis (9 patients), invasive aspergillosis (6 patients), ABPA (2 patients), a patient with aspergilloma and one with malaria. The patient with malaria recognized similar epitopes to those with invasive aspergillosis and candidiasis including the highly conserved epitope LKVIRKVIRK and an epitope NNLGTI which was otherwise only recognised by patients with candidiasis. Crossreacting antibodies to relatively few epitopes occurred in patients with Enterococcus faecalis and Corynebacterium jeikeium endocarditis. This was contrasted with the results from 6 patients with systemic lupus erythematosus (SLE) who were positive on immunoblot against fungal HSP 90. These did not react with the above epitopes but reacted with other areas within human HSP 90.

[Indexed for MEDLINE]

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