Nature CommunicationsBariatric surgery resolves MASH by enhancing MAT1A-dependent one-carbon metabolismBixi TangQiwei ShenJie YuanXianjue HuangYikai ShaoNanlin ZhuHaoran GuoHuiying CaoHanlin WangHanmin WangJia LiJia LiuRong HuaYi Zang2026-07-22Full textDOI https://doi.org/10.1038/s41467-026-75822-y