Bile acid-FXR signaling facilitates the long-term maintenance of hepatic characteristics in human iPSC-derived organoids. - Shimizu T; Miyoshi M; Kakinuma S; Tsuchiya J; Yamane D; Watakabe K; Mochida T; Inada K; Yamada K; Shinozaki K; Sato A; Kaneko S; et al. (Cell reports, 2025)