Role of Ficolin-A and Lectin Complement Pathway in the Innate Defense against Pathogenic Aspergillus Species
نویسندگان
چکیده
منابع مشابه
Role of ficolin-A and lectin complement pathway in the innate defense against pathogenic Aspergillus species.
Aspergillus species are saprophytic molds causing life-threatening invasive fungal infections in the immunocompromised host. Innate immune recognition, in particular, the mechanisms of opsonization and complement activation, has been reported to be an integral part of the defense against fungi. We have shown that the complement component ficolin-A significantly binds to Aspergillus conidia and ...
متن کاملComplementary Roles of the Classical and Lectin Complement Pathways in the Defense against Aspergillus fumigatus
Aspergillus fumigatus infections are associated with a high mortality rate for immunocompromised patients. The complement system is considered to be important in protection against this fungus, yet the course of activation is unclear. The aim of this study was to unravel the role of the classical, lectin, and alternative pathways under both immunocompetent and immunocompromised conditions to pr...
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15 صفحه اولInteractions of ficolin and mannose-binding lectin with fibrinogen/fibrin augment the lectin complement pathway.
Ficolin and mannose-binding lectin (MBL) are animal lectins that are involved in innate immunity by initiating the lectin complement pathway. Here, we report that interactions between these lectins and fibrinogen/fibrin augment the lectin pathway. An ELISA revealed that recombinant mouse ficolin A (rFcnA), rMBL-A and rMBL-C bind to fibrinogen in a dose-dependent manner. Affinity Western blottin...
متن کاملH-ficolin binds Aspergillus fumigatus leading to activation of the lectin complement pathway and modulation of lung epithelial immune responses.
Aspergillus fumigatus is an opportunistic fungal pathogen that typically infects the lungs of immunocompromised patients leading to a high mortality. H-Ficolin, an innate immune opsonin, is produced by type II alveolar epithelial cells and could participate in lung defences against infections. Here, we used the human type II alveolar epithelial cell line, A549, to determine the involvement of H...
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ژورنال
عنوان ژورنال: Infection and Immunity
سال: 2013
ISSN: 0019-9567,1098-5522
DOI: 10.1128/iai.00032-13