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J Infect Dis. 1998 Aug;178(2):466-70.

Cell-mediated immune response of healthy adults to Bordetella pertussis vaccine antigens.

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Department of Bacteriology and Medical Mycology, Istituto Superiore di Sanità, Rome, Italy.


Cell-mediated immunity (CMI) to Bordetella pertussis and acellular pertussis vaccine constituents (pertussis toxin, pertactin, and filamentous hemagglutinin) were studied in peripheral blood mononuclear cells (PBMC) and T cell cultures from healthy adults with no record of vaccination against, or history of, pertussis. Similarly to stimulation with common recall antigens, PBMC proliferation was induced in 80%-100% of the cultures, depending on the specific B. pertussis stimulant. Proliferation did not occur when antigen-presenting cells were ablated by chemical or physical methods or with naive cord blood lymphocytes. B. pertussis antigen stimulation resulted in a preferential induction of type 1 cytokine profile, as shown by interferon-gamma and interleukin-2 (but no interleukin-4 or interleukin-5) gene transcripts and actual cytokine production by T cells. The data suggest that most healthy adults are repeatedly exposed to B. pertussis, with natural acquisition of antigen-specific CMI and a putatively protective type 1 cytokine pattern.

[Indexed for MEDLINE]

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