Autoantibodies are known to regulate the function of G protein-coupled receptors (GPCRs), but the involvement of such functional autoantibodies in autoimmune disorders is not fully understood. In this Review, the author discuss evidence showing agonistic and antagonistic effects of anti-GPCR functional autoantibodies in the pathogenesis of different rheumatic diseases.
- Otavio Cabral-Marques
- Gabriela Riemekasten