Lack of effect of Candida albicans mannan on development of protective immune responses in experimental murine candidiasis.
AUTOR(ES)
Garner, R E
RESUMO
Candida albicans mannoprotein (MAN) administered to mice before or during immunization with viable C. albicans downregulates MAN-specific delayed hypersensitivity. In the experiments reported here we determined the effect of MAN downregulation on protective immunity in minimally immunized mice, i.e., mice exposed to C. albicans either intradermally or intragastrically, and in maximally immunized mice, i.e., mice immunized by a combination of intradermal and intragastric exposure, in experimental systemic candidiasis. MAN suppression did not induce statistically significant alterations in the protective responses in experimental candidiasis, although 8 of 12 groups of mice treated with MAN had fewer CFU of C. albicans in their kidneys than their non-MAN-treated counterparts. The results emphasize the lack of correlation of delayed hypersensitivity with protection in candidiasis and suggest that MAN may contain epitopes involved in the protective response.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=186170Documentos Relacionados
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