The Multifaceted Role of T-Helper Responses in Host Defense against Aspergillus fumigatus
AbstractThe ubiquitous opportunistic fungal pathogen Aspergillus fumigatus rarely causes infections in immunocompetent individuals. A healthy functional innate immune system plays a crucial role in preventing Aspergillus-infection. This pivotal role for the innate immune system makes it a main research focus in studying the pathogenesis of aspergillosis. Although sometimes overshadowed by the innate immune response, the adaptive immune response, and in particular T-helper responses, also represents a key player in host defense against Aspergillus. Virtually all T-helper subsets have been described to play a role during aspergillosis, with the Th1 response being crucial for fungal clearance. However; morbidity and mortality of aspergillosis can also be partly attributed to detrimental immune responses resulting from adaptive immune activation. Th2 responses benefit fungal persistence; and are the foundation of allergic forms of aspergillosis. The Th17 response has two sides; although crucial for granulocyte recruitment, it can be involved in detrimental immunopathology. Regulatory T-cells, the endogenous regulators of inflammatory responses, play a key role in controlling detrimental inflammatory responses during aspergillosis. The current knowledge of the adaptive immune response against A. fumigatus is summarized in this review. A better understanding on how T-helper responses facilitate clearance of Aspergillus-infection and control inflammation can be the fundamental basis for understanding the pathogenesis of aspergillosis and for the development of novel host-directed therapies. View Full-Text
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Dewi, I.M.W.; van de Veerdonk, F.L.; Gresnigt, M.S. The Multifaceted Role of T-Helper Responses in Host Defense against Aspergillus fumigatus. J. Fungi 2017, 3, 55.
Dewi IMW, van de Veerdonk FL, Gresnigt MS. The Multifaceted Role of T-Helper Responses in Host Defense against Aspergillus fumigatus. Journal of Fungi. 2017; 3(4):55.Chicago/Turabian Style
Dewi, Intan M.W.; van de Veerdonk, Frank L.; Gresnigt, Mark S. 2017. "The Multifaceted Role of T-Helper Responses in Host Defense against Aspergillus fumigatus." J. Fungi 3, no. 4: 55.
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