MPO and autoimmune disease: PNS-related autoantibodies: anti-Yo, anti-Hu, anti-Ri, Anti-amphiphysin, anti-CV2, anti-PNMA, anti-SOX1, anti-recoverin, anti-titin, anti-zic4, anti-GAD65, and anti-Tr. Autoimmune disease-related antibodies: anti-nuclear, anti-SS-A/B, anti-thyroglobulin, anti-TPO, PR3-ANCA, and MPO-ANCA.