The autoimmunity-related polymorphism PTPN22 1858C/T is associated with anti-titin antibody-positive myasthenia gravis. Greve B, Hoffmann P, Illes Z, Rozsa C, Berger K, Weissert R, Melms A Hum Immunol. 2009 Jul; 70(7):540-2. PMID: 19406179. Abstract CommentRecommendBookmarkWatch