dc.contributor | Universidade Estadual Paulista (Unesp) | |
dc.date.accessioned | 2015-10-21T20:55:16Z | |
dc.date.available | 2015-10-21T20:55:16Z | |
dc.date.created | 2015-10-21T20:55:16Z | |
dc.date.issued | 2015-02-01 | |
dc.identifier | Mycopathologia, v. 179, n. 1-2, p. 21-30, 2015. | |
dc.identifier | 0301-486X | |
dc.identifier | http://hdl.handle.net/11449/129359 | |
dc.identifier | 10.1007/s11046-014-9810-0 | |
dc.identifier | WOS:000349528700003 | |
dc.identifier | 1730146818754269 | |
dc.description.abstract | Sporotrichosis is a chronic infection caused by the dimorphic fungus Sporothrix schenckii, involving all layers of skin and the subcutaneous tissue. The role of innate immune toll-like receptors 2 and 4 in the defense against this fungus has been reported, but so far, there were no studies on the effect of cell wall major components over the cytosolic oligo-merization domain (NOD)-like receptors, important regulators of inflammation and responsible for the maturation of IL-1 beta and IL-18, whose functions are dependents of the caspase-1 activation, that can participate of inflammasome. It was evaluated the percentage of activation of caspase-1, the production of IL-1 beta, IL-18, IL-17, IFN-gamma and nitric oxide in a Balb/c model of S. schenckii infection. It was observed a decreased activity of caspase-1 during the fourth and sixth weeks of infection accompanied by reduced secretion of the cytokines IL-1 beta, IL-18 and IL-17 and high production of nitric oxide. IFN-gamma levels were elevated during the entire time course of infection. This temporal reduction in caspase-1 activity coincides exactly with the reported period of fungal burden associated with a transitory immunosuppression induced by this fungus and detected in similar infection models. These results indicate the importance of interaction between caspase-1, cytokines IL-1 beta and IL-18 in the host defense against S. schenckii infection, suggesting a participation the inflammasome in this response. | |
dc.language | eng | |
dc.publisher | Springer | |
dc.relation | Mycopathologia | |
dc.relation | 1.476 | |
dc.rights | Acesso restrito | |
dc.source | Web of Science | |
dc.subject | Cytokines | |
dc.subject | Caspase-1 | |
dc.subject | Nitric oxide | |
dc.subject | Sporothrix schenckii | |
dc.title | Involvement of major components from sporothrix schenckii cell wall in the caspase-1 activation, nitric oxide and cytokines production during experimental sporotrichosis | |
dc.type | Artículos de revistas | |