Trypanosoma cruzi: Immunological cross-reactivity of the major cysteinyl proteinase (cruzipain) with a parasite cytosol acidic antigen (F IV)
1994
Abstract This paper shows that a polyclonal monospecific rabbit antiserum to cruzipain, the major T. cruzi cystein proteinase, cross-reacts with a cytosol acidic antigen (F IV) isolated from the epimastigote stage of the same parasite. In addition, antibodies specific for F IV purified from chagasic patient sera or murine anti F IV sera, also react with cruzipain. This was demonstrated by ELISA, DOT-ELISA, native and electrophoretic Immunoblot. These findings suggest that F IV contains an antigen immunologically cross-reactive with cruzipain.
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