passages.id: split_5_test_3122_passage
passages.type: progene_text
passages.text: In this study we identified several altered peptide ligands derived from the type 1 diabetes - associated autoantigen human glutamic acid decarboxylase 65 ( hGAD65 ) epitope that were capable of antagonizing a subset of a panel of human CD4 ( + ) GAD65 ( 555 - 567 ) - responsive T cell clones derived from a diabetic individual .