This is perfectly in line with the numerous PTPN22 risk alleles for effectively all autoimmune diseases: type I diabetes mellitus, rheumatoid arthritis, Hashimoto thyroiditis, Graves disease, systemic lupus erythematosus (SLE), familial hypoadrenocorticism, Addison’s disease, psoriasis, Anti-neutrophil cytoplasmic autoantibody (ANCA)-associated vasculitis, and primary immune thrombocytopenia (Armitage et al., 2021; Tizaoui et al., 2021). The gene discussed is PTPN22; the disease is systemic lupus erythematosus.