In this analysis of patients with myeloperoxidase-ANCA-positive AAV, all urinary complement C3 fragment levels were elevated significantly compared with healthy controls (P <.01 for all).
TSP-1 reduced C3 and C5 cleavage and formation of the membrane attack complex, attenuating complement-mediated injury in AAV models. Complement activation is a relevant driver in the pathomechanisms ...