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Comparison of bacterial and fungal adherence to vaginal exfoliated epithelial cells and human vaginal epithelial tissue culture cells.
Authors:J D Sobel  P Myers  M E Levison  and D Kaye
Abstract:The adherence of four bacterial species and Candida albicans to a new in vitro tissue culture model of human vaginal stratified squamous epithelium was investigated and compared with in vitro adherence to vaginal exfoliated cells. Gardnerella vaginalis, group B streptococci, Lactobacillus sp., and C. albicans adhered well to both exfoliated and tissue culture cells. Similarly, a piliated fecal isolate of Escherichia coli, but not a nonpiliated vaginal isolate of E. coli, adhered well to both cell types. Adherence of the piliated E. coli was markedly inhibited by preincubation of bacteria with D-mannose. No inhibition of adherence by D-mannose of G. vaginalis, nonpiliated E. coli, and C. albicans was demonstrated. Scanning electron microscopy of tissue cultures showed nonuniform distribution of adherent microorganisms with diminished adherence in areas of active mitosis and proliferation and increased adherence to mature flat cells, often in the process of desquamation.
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