NewslettersImmune Regulation News CAR19 Tregs Treat Murine Chronic Graft-Versus-Host Disease through Immune Suppression in Absence of Measurable B-Cell Cytolysis By Jamie Kang - July 17, 2026 0 1 The authors evaluated human CD19-directed chimeric antigen receptor (CAR19) T cell therapy in a clinically relevant murine chronic Graft-Versus-Host disease model with bronchiolitis obliterans syndrome. [JCI Insight] AbstractGraphical Abstract