Abstract
The 58-kDa surface mannoprotein of Candida albicans (mp58) elicits strong antibody responses during infection. Epitope mapping with sera from patients with candidiasis and control individuals indicated the presence of multiple IgG-reactive continuous epitopes on the protein, expanding both the amino- and carboxy-terminal domains and several internal regions. These immunoreactive regions were similar to the ones previously identified using sera from immunized animals. Two of the epitopic regions (including the C-terminal domain) showed increased reactivity with antibodies present in sera from patients with candidiasis as compared to control individuals. Patients who survived the infection displayed increased antibody reactivity towards the C-terminal epitope as compared to those succumbing to candidiasis. A monoclonal antibody directed towards this epitopic region conferred protection in serum therapy experiments in a murine model of hematogenously disseminated candidiasis. Together, these observations indicate the carboxy-terminal antibody binding domain of C. albicans mp58 represents a protective epitope during candidiasis.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 133-138 |
| Number of pages | 6 |
| Journal | FEMS Microbiology Letters |
| Volume | 232 |
| Issue number | 2 |
| DOIs | |
| State | Published - Mar 19 2004 |
Keywords
- Candida albicans
- Monoclonal antibody
- Protective epitope
ASJC Scopus subject areas
- General Medicine
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