Synthetic biotinylated tetra β(1→5) galactofuranoside for in vitro aspergillosis diagnosis

Add time:07/23/2019    Source:sciencedirect.com

The synthesis of a tetra β(1→5) galactofuranoside was achieved using a thioglycoside donor with a methyl tert-butyl phenyl thio leaving group. This tetrasaccharide was conjugated to biotin and validated as antigen with the monoclonal antibody used for clinical detection of Aspergillus fumigatus galactomannan on streptavidin-coated microplates. Then we have shown its ability to detect antibodies associated with A. fumigatus induced disease by using sera from patients with Allergic broncho-pulmonary aspergillosis (ABPA) and correlated the results of antibody detection with those gained with a commercially available diagnostic test.

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