Renal fibrosis is induced by hyperactive Wnt/β-catenin pathway via microbial-mediated tryptophan metabolism-driven AhR signaling in rodents and humans. - Liu L; Yu QQ; Zhang YL; Zhou JT; Jin Y; Jiang CH; Zhuang S; Wei J; Li P; Miao H; Zhao YY (Cellular and molecular life sciences : CMLS, 2026)