Abstract
Mouse model is an appropriate tool for pathogenic determination and study of host defenses during the fungal infection. Here, we established a mouse model of candidiasis with concurrent oral and vaginal mucosal infection. Two C. albicans strains sourced from clinical candidemia (SC5314) and mucosal infection (ATCC62342) were tested in ICR mice. The different combinational panels covering estrogen and immunosuppressive agents, cortisone, prednisolone and cyclophosphamide were used for concurrent oral and vaginal candidiasis establishment. Prednisolone in combination with estrogen proved an optimal mode for concurrent mucosal infection establishment. The model maintained for 1 week with fungal burden reached at least 105 cfu/g of tissue. This mouse model was evaluated by in vivo pharmacodynamics of fluconazole and host mucosal immunity of IL-17 and IL-23. Mice infected by SC5314 were cured by fluconazole. An increase in IL-23 in both oral and vaginal homogenates was observed after infection, while IL-17 only had a prominent elevation in oral tissue. This model could properly mimic complicated clinical conditions and provides a valuable means for antifungal assay in vivo and may also provide a useful method for the evaluation of host–fungal interactions.
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Acknowledgments
We are grateful to Dr. Hu Bin for histopathological examination. This work was supported by National Key Basic Research Program of China (2013CB531605), National Natural Science Foundation of China (NO. 81071332) and Jiangsu Provincial Special Program of Medical Science (BL2012003).
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Wang, L., Wang, C., Mei, H. et al. Combination of Estrogen and Immunosuppressive Agents to Establish a Mouse Model of Candidiasis with Concurrent Oral and Vaginal Mucosal Infection. Mycopathologia 181, 29–39 (2016). https://doi.org/10.1007/s11046-015-9947-5
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DOI: https://doi.org/10.1007/s11046-015-9947-5