From: Blockade of bovine PD-1 increases T cell function and inhibits bovine leukemia virus expression in B cells in vitro
ELISA for PD-1-Ig
ELISA for bovine IgG
ELISA for PD-1-Ig (did not recognize bovine IgG)
FACS for PD-1 expressing Cos-7
47
78
14
4