Original ResearchPublished 23 July 2026SR9009 regulates macrophage polarization via the NR1D1/NF-κB axis to ameliorate obesity-associated ulcerative colitisZhixue Zheng · Xuan Cai · Yaqi Liu · Jingtao BiFrontiers in Gastroenterologydoi 10.3389/fgstr.2026.1762028