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poliangiitis microscopic

Kresimir Galesić, Ivica Horvatić
ANCA-associated vasculitides are a well-known clinico-pathological group of systemic diseases comprising microscopic poliangiitis, granulomatosis with poliangiitis and eosinophilic granulomatosis with poliangiitis. This article shows contemporary treatment of this diseases with extensive literature review. Stepwise treatment of ANCA-associated vasculitides is divided into induction therapy and remission maintenance therapy. Standard induction therapy is a combination of glucocorticoids and cyclophosphamide, and in maintenance therapy, combination of low-dose glucocorticoids and azathioprine or methotrexate is used...
July 2014: Lijec̆nic̆ki Vjesnik
Sabina Sangaletti, Claudio Tripodo, Claudia Chiodoni, Carla Guarnotta, Barbara Cappetti, Patrizia Casalini, Silvia Piconese, Mariella Parenza, Cristiana Guiducci, Caterina Vitali, Mario P Colombo
Antineutrophil cytoplasmic antibodies (ANCAs) target proteins normally retained within neutrophils, indicating that cell death is involved in the autoimmunity process. Still, ANCA pathogenesis remains obscure. ANCAs activate neutrophils inducing their respiratory burst and a peculiar form of cell death, named NETosis, characterized by formation of neutrophil extracellular traps (NETs), decondensed chromatin threads decorated with cytoplasmic proteins endorsed with antimicrobial activity. NETs have been consistently detected in ANCA-associated small-vessel vasculitis, and this association prompted us to test whether the peculiar structure of NET favors neutrophil proteins uploading into myeloid dendritic cells and the induction of ANCAs and associated autoimmunity...
October 11, 2012: Blood
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