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The Journal of Medical Microbiology, Vol 48, Issue 12 1081-1086, Copyright © 1999 by Society for General Microbiology
JOURNAL ARTICLE |
E. Giacomini, F. Urbani, C. M. Ausiello and A. L. Luzzati
Department of Immunology, Istituto Superiore di Sanita, Rome, Italy.
The role of specific antibodies in protective immunity to Bordetella pertussis has not yet been clearly defined. In the present work, the induction of a specific antibody response to B. pertussis in cultures of human peripheral blood mononuclear cells (PBMC) was investigated, on the assumption that the capacity of circulating lymphocytes to mount a specific response in vitro may provide a useful parameter for the evaluation of protective immunity. When PBMC from normal adult donors were cultured with a heat-inactivated B. pertussis whole-cell suspension, cells secreting antibodies to pertussis toxin, pertactin and filamentous haemagglutinin were generated consistently. The antibody response peaked between days 7 and 11 of culture and the antibodies produced were exclusively of the IgM class.
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