Beta-cell function is disrupted in patients with systemic lupus erythematosus.
Alicia García-DortaJuan Carlos Quevedo-AbeledoÍñigo Rua-FigueroaAntonia M de Vera-GonzálezAlejandra González-DelgadoLilian Medina-VegaAgustín F González-RiveroFelix Francisco-HernándezMiguel A González-GayIván Ferraz-AmaroPublished in: Rheumatology (Oxford, England) (2021)
Among patients with SLE, proinsulin-processing metabolites, a marker of beta-cell disruption, are upregulated compared with matched controls. This disproportionate hyperproinsulinemia can be explained by the damage produced by the disease and occurs independently of prednisone use.