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hsp70 synthesis in Schwann cells in response to heat shock and infection with Mycobacterium leprae

Induction of heat shock protein synthesis was monitored in murine and monkey Schwann cells exposed to elevated temperatures. Synthesis of the stress-inducible 70-kDa heat shock protein (hsp70) was detected in both murine and primate Schwann cells by metabolic labelling and by immunoblotting with a specific monoclonal antibody. hsp70 synthesis was also induced in Schwann cells after infection with Mycobacterium leprae and was detected from 24 h to 1 week postinfection. These results are discussed with respect to the possible role of heat shock proteins in immunopathological events associated with the clinical manifestations of leprosy.