RNPC3 and systemic lupus erythematosus: The A.TL immune response to gold also presents similarities with the lupus-prone strains BXSB, MRL/l, and NZB/NZW F1 that spontaneously develop elevated serum IgG levels, ANA titers, and anti-dsDNA, -RNP, -chromatin, and -histones antibodies [52,53,54,55,56,57,58,59].