In vivo probiotic and antimicrobial photodynamic therapy as alternative therapies against cryptococcosis are ineffective
2017
Oliveira, Lorena Vívien Neves de | Bastos, Rafael Wesley | Ribeiro, Noelly de Queiroz | Costa, Marliete Carvalho | Acurcio, Leonardo Borges | Rocha, Karen Maia | Santos, Julliana Ribeiro Alves | de Carvalho Cruz, Rosana | Soares, Betânia Maria | Santos, Daniel Assis
Cryptococcosis, an invasive fungal infection distributed worldwide that affects both domestic and wild animals, has incredible rates regarding treatment failure, leading to the necessity of the development of new therapies. In this way, we aimed to evaluate the probiotic (Saccharomyces boulardii, Lactobacillus paracasei ST-11, and Lactobacillus rhamnosus GG) and antimicrobial photodynamic alternative therapies against Cryptococcus gattii in a murine model. Although previous studies suggest that these therapies can be promising against cryptococcosis, our experimental conditions for both probiotic and antimicrobial photodynamic therapies (aPDT) were not able to improve the survival of mice with cryptococcosis, even with the treatment combined with fluconazole. Our results may help other researchers to find the best protocol to test alternative therapies against Cryptococcus gattii.
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