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

^○Dijkstra Johannes M.¹, Tsukamoto Kentaro², Zhang Nianzhi³, Wu Yanan³, Kaibuchi Kozo¹, Xia Chun³, Hashimoto Keiichiro¹ (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)