Abstract
Previous studies in paracoccidioidomycosis (PCM), the most prevalent systemic mycosis in Latin America, revealed that immunity of hosts is tightly regulated by several suppressive mechanisms mediated by tolerogenic plasmacytoid dendritic cells, the enzyme 2,3 indoleamine dioxygenase (IDO1) and regulatory T cells (Treg). IDO1 was also seen to orchestrate local and systemic immunosuppressiv…