Kimura H. et al 1 Expression of class II MHC molecules on thyrocytes does not cause spontaneous thyroiditis, but mildly increases its severity after immunization Hiroaki Kimura, Miho Kimura, Shey-Cherng Tzou, Yen-Chun Chen, Koichi Suzuki 1 , Noel R. Rose and Patrizio Caturegli Department of Pathology, The Johns Hopkins Medical Institutions, Baltimore, MD 21205 1 Department of Microbiology, Leprosy Research Center, National Institute of Infectious Diseases, Tokyo, 189-0002 Japan. Address reprints request to: Patrizio Caturegli, MD, MPH Johns Hopkins Medical Institutions, Department of Pathology Ross Building, Room 656 720 Rutland Avenue Baltimore, MD 21205 E-mail: pcat@jhmi.edu Endocrinology. First published December 9, 2004 as doi:10.1210/en.2004-1165 Copyright (C) 2004 by The Endocrine Society