Inhibition by sugars of Candida albicans adherence to human buccal mucosal cells and corneocytes in vitro

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Abstract
The adherence and inhibition of adherence of Candida albicans to epithelial cells was studied for human cells obtained from skin (corneocytes) and buccal mucosa. The yeast adhered to both kinds of cells, although in somewhat greater numbers to buccal mucosal cells. Adherence to the cells of different individuals was variable, but the ratios of values for the two kinds of cells from a single subject were quite constant. Inhibition of adherence was produced by several sugars, including the aminosugars mannosamine, glucosamine, and galactosamine. The pattern of inhibition produced by the sugars was similar for the two types of cells. Pretreatment of the yeast with mannosamine, followed by dilution to a subinhibitory concentration, produced some inhibition of yeast-buccal mucosal cell attachment, indicating some direct interaction between the sugar and the fungal cell. These data suggest that the mechanisms whereby C. albicans attaches to corneocytes and to buccal mucosal cells are probably similar.