Journal
TRENDS IN MICROBIOLOGY
Volume 9, Issue 9, Pages 445-451Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/S0966-842X(01)02134-5
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- NIAID NIH HHS [AI 35370, AI 45459] Funding Source: Medline
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Vaccination is a rational alternative to treatment for Cryptococcus neoformans infections, as these infections are currently intractable in immunocompromised (including HIV-infected) individuals. Vaccines composed of the cryptococcal capsular polysaccharide glucuronoxylomannan (GXM), the key C. neoformans virulence factor, elicit protective antibodies in mice, although deleterious antibodies can also be induced. By contrast, polysaccharides are poor immunogens in HIV-infected humans and others with B-cell defects. Peptide mimotopes of GXM can induce protective immunity to C. neoformans in mice, however, our knowledge of the mechanisms of mimotope-induced protection is incomplete and further work is needed if polysaccharide- or mimotope-based vaccines are to be used to manage C. neoformans infection.
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