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J Infect Dis. 1999 Sep;180(3):915-9.

Antibodies reactive with the cryptococcal capsular polysaccharide glucuronoxylomannan are present in sera from children with and without human immunodeficiency virus infection.

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Department of Pediatrics, Division of Infectious Diseases, Albert Einstein College of Medicine, Bronx, New York 10461, USA.


Antibodies reactive with the cryptococcal polysaccharide glucuronoxylomannan (GXM) are present in sera from both human immunodeficiency virus (HIV)-uninfected and -infected adults. However, the prevalence of these antibodies in US children is unknown. An antigen-capture ELISA was used to determine the presence, serotype specificity, isotype, and IgG subclass distribution of antibodies to GXM in sera from 27 HIV-uninfected and 34 HIV-infected children. The children were of similar age and socioeconomic background. IgG and IgM to GXM were present in sera from all children, although HIV-uninfected children had significantly higher titers. HIV-uninfected children had IgG1 and IgG2 to GXM and significantly greater IgG2 than in HIV-infected children. These findings of type-specific antibodies to GXM in early childhood suggest that exposure to or subclinical infection with Cryptococcus neoformans may be an early childhood event.

[Indexed for MEDLINE]

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