Journal Article B7-H1 Antigen CD274 protein, human Follicular helper T cell ICOSLG protein, human Inducible T-Cell Co-Stimulator Ligand Inducible T-Cell Co-Stimulator Protein Inducible costimulatory molecule Ligands Myasthenia gravis PDCD1 protein, human Programmed Cell Death 1 Receptor Programmed cell death 1 Ralstonia solanacearum Recombinases Research Support, Non-U.S. Gov't molecular diagnosis recombinase polymerase amplification sICOSL sPD-1 sensitivity specificity