NewslettersHuman Immunology News The CD4+ T Cell Repertoire Specific for Citrullinated Peptides Shows Evidence of Immune Tolerance By Laurisa Dohm - October 16, 2023 0 Investigators used fluorophore-conjugated HLA-DR tetramers containing citrullinated peptides from human cartilage intermediate layer protein, fibrinogen, vimentin, or enolase 1 to track cognate CD4+ T cells. [Journal Of Experimental Medicine] Abstract