| Literature DB >> 12654855 |
Song F Lee1, Scott A Halperin, Danny F Salloum, Ann MacMillan, Annette Morris.
Abstract
A chimeric protein consisting of a divalent pertussis toxin (PT) S1 fragment linked to the cholera toxin (Ctx) A(2)B fragment was constructed. The chimera induced a mucosal immunoglobulin A (IgA) and a serum IgG immune response to PT and CtxB in BALB/c mice following intranasal immunization. The immune sera neutralized PT in vitro. In the mouse model of Bordetella pertussis respiratory infection, the chimera-immunized animals showed a significant reduction in bacterial lung counts (P = 0.01) from that of the sham control group. Thus, a divalent S1 fragment CtxA2B chimera is an immunogenic antigen and can elicit a protective immunity.Entities:
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Year: 2003 PMID: 12654855 PMCID: PMC152103 DOI: 10.1128/IAI.71.4.2272-2275.2003
Source DB: PubMed Journal: Infect Immun ISSN: 0019-9567 Impact factor: 3.441