Genetic basis for protection against experimental vaginal candidiasis by peripheral immunization.

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Abstract
In these studies, significant protection against experimental vaginal candidiasis after a subcutaneous immunization with Candida albicans extract was achieved in BALB/c mice but not in C57BL/6 (B6) mice. Protection from vaginal candidiasis was transferred to naive BALB/c mice by a population of spleen cells derived from immunized BALB/c mice. Removal of CD3 or CD4 but not CD8 T cells before transfer completely abrogated resistance to vaginal candidiasis. Recombinant inbred (RI) strains of mice derived from BALB/c and B6 strains were used for mapping loci that might be responsible for regulating vaginal protection after subcutaneous immunization. Linkage analysis using microsatellite-based genome mapping in these RI strains revealed four candidate loci on chromosomes 3, 7, 8, and 18 that exhibit statistically significant linkage to the strain distribution pattern. These results may contribute to the understanding of host genetic factors controlling the immune response to vaginal infections.

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