SOAT1 and IgA glomerulonephritis: In an exploration of kidney tubulointerstitial fibrosis, miR-150–based RNA interference was confirmed to reverse activation of the SOCS1-JAK-STAT pathway and alleviate tubulointerstitial fibrosis.337 In addition, overactive STAT1 and STAT3 expression and activated JAK-STAT signaling were demonstrated to accompany progressive kidney inflammation and proteinuria in IgA nephropathy.338