[3P-221] Major Histocompatibility Complex (MHC) class II came before class I

^○Johannes M. Dijkstra¹, Kentaro Tsukamoto², Nianzhi Zhang³, Yanan Wu³, Kozo Kaibuchi¹, Chun Xia³, Keiichiro Hashimoto¹ (1.Center for Medical Science, Fujita Health University, Toyoake, Japan, 2.Center for Joint Research Facilities Support, Fujita Health University, Toyoake, Japan, 3.Department of Microbiology and Immunology, College of Veterinary Medicine, China Agricultural University, Beijing, China)