Schreiber et al. have identified an unexpected immunoregulatory role of reactive oxygen species in antineutrophil cytoplasmic antibody-associated crescentic glomerulonephritis. Here, we discuss these findings in view of other pathways with well-known immunostimulatory roles in kidney disease that have recently been shown to have additional immunosuppressive effects.
- Santhosh V. R. Kumar
- Hans-Joachim Anders
