ArticleFoods (Basel, Switzerland)2026
Modulating Gut-System Axis Metabolic Disorders: Multi-Omics Reveals the Mechanism of Mung Bean Polyphenols in Alleviating Heat Stress-Induced Damage.
Article in Foods (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Heat stress-induced systemic metabolic disorder serves as the core pathological basis of organismal damage. Although mung bean polyphenols (MBPs) had been preliminarily validated in cellular heat-stress models for their intestinal tissue-protective potential, whether they can alleviate heat-stress injury in vivo by remodeling the metabolic crosstalk network between the gut and systemic circulation remains mechanistically unclear. In this study, we innovatively employed an integrated multi-omics approach combining physiological phenotype, gut metabolome, and serum metabolome analyses based on a Balb/c heat stress (41 °C) mouse model, systematically constructing the metabolic phenotype regulatory network of MBPs. The results demonstrated that MBPs not only significantly improved oxidative stress (elevating GSH-Px and T-AOC, reducing MDA), immune-inflammation (down-regulating IL-1β and TNF-α), and stress hormone (lowering cortisol) phenotypes, but also specifically reversed the disturbances in intestinal and serum metabolic profiles induced by heat stress, particularly restoring key pro-inflammatory mediators such as Leukotriene E4 and 5-HETE. Arachidonic acid metabolism, tryptophan metabolism, histidine metabolism, and Fc epsilon RI signaling pathway constituted the core network of heat-stress metabolic disorder and MBP regulation. Furthermore, the study revealed that alterations in hub metabolites-Indolelactic Acid, Trans-Cinnamic Acid, Leukotriene E4, 5-HETE, and N(omega)-Hydroxyarginine-were significantly correlated with phenotypic improvements. This confirms that mung bean polyphenols dynamically dismantle the "pro-inflammatory-oxidative stress" pathological coupling by constructing a novel protective axis centered on the indole metabolism-melatonin-endogenous antioxidant system and successfully established a novel protective axis driven by gut-derived beneficial metabolites that promotes systemic antioxidant function, thereby elucidating the systemic mechanism underlying the alleviation of heat-stress injury at the metabolic network level.
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