Chagas, disease, molecular biology, immunology of Trypanosoma cruzi - O'Daly, Jose
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Five mitogenic proteins in FCS stimulate T. cruzi division, found in plasma membranes and cytoplasmic granules, changed structure by T. cruzi growth, base of autoimmunity. Insoluble fraction from T. cruzi membranes lysed cells, it is a lipid, pronase, trypsin, temperature resistant, inhibited by albumin. Inhibition of T. cruzi's proteolytic activity, key for vaccines' production. Synthetic medium, allowed T cruzi growth between 26°- 37°C, with FCS or peptides of glutamic acid, alanine and lysine. Infected homozygous mice had suppression by macrophages to T and B cell mitogens, parasite…mehr

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Produktbeschreibung
Five mitogenic proteins in FCS stimulate T. cruzi division, found in plasma membranes and cytoplasmic granules, changed structure by T. cruzi growth, base of autoimmunity. Insoluble fraction from T. cruzi membranes lysed cells, it is a lipid, pronase, trypsin, temperature resistant, inhibited by albumin. Inhibition of T. cruzi's proteolytic activity, key for vaccines' production. Synthetic medium, allowed T cruzi growth between 26°- 37°C, with FCS or peptides of glutamic acid, alanine and lysine. Infected homozygous mice had suppression by macrophages to T and B cell mitogens, parasite antigens, at 17 days postinfection, recovering at chronic phase. Trypomastigotes inhibited response to mitogens, epimastigotes stimulated it, higher than mitogens. Hydroinsoluble protein of 14 -15 kDa, from infected spleens, induced suppression to mitogens thru macrophages. Epimastigotes changed surface proteins, between 30° to 34°C. Lowest parasitemia, longest survival time and no immunosuppression, postimmunization with pellets, from TLCK treated epimastigotes cultured at 30°C. Surface, secreted proteins, T. cruzi extracts have antigens for diagnosis explaining pathogenesis of Chagas disease.
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Autorenporträt
Jose A. O'Daly Carbonell. Cidadão ameriano. País de nascimento: Caracas Venezuela. Escola Secundária: Escola Secundária La Salle de Caracas. Universidade: Universidade Central da Venezuela, Caracas: MD. 1958-1964. DMSc.1965-1968. Universidade Johns Hopkins: PhD. 1967-1971. Publicações Periódicos Internacionais: 103 Divulgação científica: 17 Total: 120 Tese: 30.