Dietary broccoli alleviates intestinal inflammation in mice by mitigating ferroptosis induced through activating AhR
2025
Yuwei Yang | Jiaming Yang | Haikang Tang | Yuanfang Chen | Zechao Gao | Ze Hu | Xiaoliang Zhuo | Wenqing Xu
The aryl hydrocarbon receptor (AHR) is a versatile transcription factor, that responds to a diverse array of both exogenous and endogenous ligands. Broccoli consumption was shown to alter the microbiota, and attenuate chemically induced colitis in mice through AhR-dependent pathway. The study highlights the important role that dietary aryl hydrocarbon receptor (AHR) ligands play in maintaining the mucus barrier's homeostasis. The absence of AHR ligands in the diet causes a distinct alteration of the mucinous component that potentially increased the susceptibility to colitis by decreasing acidic mucin and lysozyme levels. The research identifies ferroptosis-induced endoplasmic reticulum (ER) stress as a probable contributing factor to the adjustment of mucin-2 (MUC-2) levels. Overall, our study presents a novel approach to improving the nutraceutical quality of Brassicaceae, while also offering fresh insights into the impacts of cruciferous vegetables on intestinal health in humans.
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