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Open Access Immune Response of Chimpanzees Infected with Human Mycoplasmas

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Seven chimpanzees were inoculated intra-articularly with one of three Mycoplasma species. Three chimpanzees were inoculated with clinical synovial isolate 1620, and one was inoculated with type strain PG-21 of M. hominis. The fifth animal was inoculated with clinical synovial isolate 2010B, and the sixth was inoculated with the type strain CO of Ureaplasma urealyticum. The seventh animal was inoculated with clinical isolate PI-1428 of M. pneumoniae. The synovial isolates induced intense antibody responses, antibodies recognized more antigens, and the reactive antigens were distinct from the corresponding type strains. Chimpanzees infected with synovial isolate 1620, but not type strain PG-21, recognized antigens of molecular mass 223, 208, 168, 165, 155, 150, 142, 134, 115, 105, 52, 50, 45, 38, and 36 kDa. The chimpanzee infected with synovial isolate 2010B, but not type strain CO, recognized antigens at about 277, 237, 62, 57, and 43 kDa. The major antibody reactive antigens of M. pneumoniae isolate PI-1428 migrated at about 170, 90, 56, 40, 32, and 30 kDa. The reported biologic activities of antigenic proteins derived from these Mycoplasma species are reviewed.

Document Type: Research Article

Affiliations: Laboratory of Mycoplasma, Center for Biologics Research and Review, Food and Drug Administration, Bethesda, Maryland

Publication date: October 1, 1998

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  • Comparative Medicine (CM), an international journal of comparative and experimental medicine, is the leading English-language publication in the field and is ranked by the Science Citation Index in the upper third of all scientific journals. The mission of CM is to disseminate high-quality, peer-reviewed information that expands biomedical knowledge and promotes human and animal health through the study of laboratory animal disease, animal models of disease, and basic biologic mechanisms related to disease in people and animals.

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