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Mol Biochem Parasitol. 1981 Oct;3(6):343-56.

Cell surface antigens of Trypanosoma cruzi: use of monoclonal antibodies to identify and isolate an epimastigote specific glycoprotein.

Abstract

A monoclonal antibody was produced by cell fusion from mice immunized with Trypanosoma cruzi epimastigotes. The antibody was epimastigote specific but not strain specific; the antibody bound to Y, Peru and Tulahuén epimastigotes but did not bind to Y amastigotes or trypomastigotes. The antigen recognised by the monoclonal antibody was a 72 000 molecular weight cell surface glycoprotein which represented only 0.04% of the whole cell protein. Analysis of the glycoprotein purified by antibody affinity chromatography revealed a carbohydrate content of 52% by weight which was composed of glucosamine, mannose, galactose, glucose and three different pentoses: fucose, xylose and ribose. Immunisation with the purified glycoprotein did not protect mice from a lethal infection of T. cruzi.

PMID:
6795502
DOI:
10.1016/0166-6851(81)90035-9
[Indexed for MEDLINE]

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