1921
Volume 39, Issue 3
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Abstract

Immunoaffinity-purified antibodies against soluble egg antigens (SEA) were isolated from the sera of patients with schistosomiasis mansoni. Similarly, antibodies against epimastigote antigens were obtained from sera of patients with Chagas' disease. These antibody preparations were used in culture to demonstrate the presence of anti-idiotypic T lymphocytes in peripheral blood mononuclear cell preparations from patients with either schistosomiasis mansoni or Chagas' disease, or with both of these infections. Only cells from patients with schistosomiasis or both infections proliferated upon exposure to the anti-SEA antibodies. Conversely, only cells from patients with Chagas' disease or both infections responded to anti-epimastigote antibodies. Western blot analysis of SEA and epimastigote antigens, developed by patients' sera or by immunoaffinity-purified antibody preparations, substantiated that anti-SEA immunoaffinity-purified antibodies only reacted with components of SEA, and anti-epimastigote immunoaffinity-purified antibodies only reacted with components of epimastigote antigenic preparation. These studies demonstrate the presence of anti-idiotypic T lymphocytes in the peripheral blood of patients with schistosomiasis or Chagas' disease which are specific for idiotypes generated during these infections.

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/content/journals/10.4269/ajtmh.1988.39.288
1988-09-01
2017-11-24
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http://instance.metastore.ingenta.com/content/journals/10.4269/ajtmh.1988.39.288
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  • Accepted : 05 Jan 1988

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