Cytotoxic-T-Lymphocyte-Associated Antigen 4 Blockade Abrogates Protection by Regulatory T Cells in a Mouse Model of Microbially Induced Innate Immune-Driven Colitis

Koichiro Watanabe, Varada P. Rao, Theofilos Poutahidis, Barry H. Rickman, Masahiro Ohtani, Shilu Xu, Arlin B. Rogers, Zhongming Ge, Bruce H. Horwitz, Toshio Fujioka, Susan E. Erdman and James G. Fox

Infection and Immunity 76 ( 12 ): 5834 - 5842 , 2008