ANCA antibodies against both PR3, MPO result in hybrid AAV features
People with ANCA-associated vasculitis (AAV) who are positive for antibodies against both myeloperoxidase (MPO) and proteinase 3 (PR3) show a combination of clinical characteristics from patients with each antibody type, according to a recent study in China. While double-positive patients are generally more similar to those with MPO-ANCAs, particularly…