LGALS1 and rheumatoid arthritis: Interestingly, the presence of anti-galectin-1 antibodies has also been documented in patients with autoimmune neurological disorders (Lutomski et al., 1997), systemic lupus erythematosus (Montiel et al., 2010), and rheumatoid arthritis (RA, Xibillé-Friedmann et al., 2013).