Downregulation of HLA class II is associated with relapse after allogeneic stem cell transplantation and alters recognition by antigen-specific T cells

Yoshitaka Adachi, Toshiyasu Sakai, Seitaro Terakura^*, Takashi Shiina^*, Shingo Suzuki, Hiroshi Hamana, Hiroyuki Kishi, Takehiko Sasazuki, Hisashi Arase, Ryo Hanajiri, Tatsunori Goto, Tetsuya Nishida, Makoto Murata^*, Hitoshi Kiyoi