Nature CommunicationsBrain control of hepatic bile acid homeostasis through Bdnf exon I-positive neurons in the paraventricular hypothalamusMengfei SunHaochen ZhuShangjin LiJianhui ChenWenwen ZengBai Lu2026-09-04Full textDOI https://doi.org/10.1038/s41467-026-77334-1