Tissue-restricted secondary TCR engagement drives the transition from stem-like to CD200+ Egr2hi arthritogenic Th17 cells. - Takeuchi Y; Ohara D; Watanabe H; Nishimura Y; Iwasaki T; Hori S; Kawamoto H; Kato H; Kondoh G; Morinobu A; Mimori T; Hirota K (Nature immunology, 2026)