... Thiesen2 and Peter Stiehl11Institute of Pathology, University of Leipzig, Leipzig, Germany2Institute of Immunology, University of Rostock, Rostock, Germany3Eye Hospital, University of Leipzig, ... patients with RA (n = 20) and OA (n = 10) were obtained by synovectomy at the Depart-ment of Orthopaedic Surgery, University of Leipzig,Germany. All samples were collected with the approval of the ... Leipzig, Germany4Department of Orthopedic Surgery, University of Leipzig, Leipzig, Germany5Specialty Hospital of Orthopedic and Trauma Surgery, ‘Waldkrankenhaus’, Bad Düben, GermanyCorrespondence:...