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Published on: March 22, 2012
Cryptococcus neoformans Galactoxylomannan contains an epitope(s) that is cross-reactive with Aspergillus
Frédéric Dalle1, Pierre Emmanuel Charles, Karine Blanc
1Laboratoire de Parasitologie Mycologie, Hôpital du Bocage, BP 77 908, 21079 Dijon Cedex, France.
Abstract:
We report a case of cryptococcosis in which a serum enzyme-linked immunosorbent assay (ELISA) for Aspergillus galactomannan was positive, with no evidence of aspergillosis. Soluble antigens from 19 Cryptococcus neoformans strains and purified carbohydrates of C. neoformans capsule were thus assayed in the Aspergillus galactomannan ELISA. Antigens from all C. neoformans strains, and purified galactoxylomannan, gave a positive reaction, suggesting that C. neoformans galactoxylomannan contains an epitope(s) that is cross-reactive with Aspergillus galactomannan.
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