Immunoglobulin G/immunoglobulin M autoantibody ratios in incomplete systemic lupus erythematosus.
Svenja HenningJohanna WestraC RoozendaalG Haarsma-de BoerJuan J FierroBarbara HorváthHendrika BootsmaKarina de LeeuwPublished in: Scandinavian journal of rheumatology (2024)
IgG anti-dsDNA, anti-Ro52, anti-Ro60, and IgM anti-dsDNA were elevated in iSLE and SLE patients, which was not apparent from the respective IgG/IgM ratios only. IgG/IgM autoantibody ratios remained relatively stable over up to 5 years in iSLE non-progressors and six patients who progressed to SLE.