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Arq. bras. cardiol ; 91(4): 281-286, out. 2008.
Article in Portuguese | LILACS | ID: lil-496602

ABSTRACT

A doença de Chagas é um sério problema de saúde na América Latina. Entre 25 por cento e 30 por cento dos pacientes infectados evoluem para a forma crônica (CCC), observando-se danos miocárdicos progressivos e, freqüentemente, morte súbita. Anticorpos com atividade para receptores de membrana acoplados a proteína G, adrenérgicos ou colinérgicos podem estar presentes no soro desses pacientes. No presente artigo serão discutidas a etiologia e a contribuição dos anticorpos na fisiopatologia da doença de Chagas.


Chagas' disease is a serious health problem in Latin America. Between 25 to 30% of the infected patients develop the chronic form of the disease, with progressive myocardial damage and often, sudden death. Adrenergic or cholinergic antibodies with G-protein coupled membrane receptor activity may be present in the sera of these patients. The present study discusses the etiology and the contribution of antibodies to the physiopathology of Chagas' disease.


Subject(s)
Animals , Humans , Autoantibodies/immunology , Chagas Disease/immunology , Antibodies, Protozoan/immunology , Chronic Disease , Chagas Disease/etiology , Chagas Disease/physiopathology , Receptors, Adrenergic, beta/immunology , Receptors, Cholinergic/immunology , Trypanosoma cruzi/immunology
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