PD-L2 is a second ligand for PD-1 and inhibits T cell activation

Authors: Yvette Latchman, Clive R. Wood, Tatyana Chernova, Divya Chaudhary, Madhuri Borde, Irene Chernova, Yoshiko Iwai, Andrew J. Long, Julia A. Brown, Raquel Nunes, Edward Greenfield, Karen Bourque, Vassiliki A. Boussiotis, Laura Carter, Beatriz M. Carreno, Nelly Malenkovich, Hiroyuki Nishimura, Taku Okazaki, Tasuku Honjo, Arlene H. Sharpe, Gordon J. Freeman - Nature Immunology 2001 cited by 2,948