PR3 autoreactive CD4+T cells found in affected kidneys of 72 pts with PR3+ ANCA assoc vasculitis. These cytotoxic GPR56+CD4+T cells were significantly greater in those with inactive (vs active GPA), suggesting they may be affected by immunosuppression https://t.co/dHFhgnB8yE https://t.co/ZxV6INeCrU