Journal
JOURNAL OF FUNCTIONAL FOODS
Volume 104, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jff.2023.105499
Keywords
Apigenin-7-O-glucoside; Colitis; Gut microbiota; Intestinal barrier
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This study demonstrated that Apigenin-7-O-glucoside (AG) alleviated colitis by protecting the intestinal barrier, inhibiting the MAPK pathway, and modulating gut microbiota.
Apigenin-7-O-glucoside (AG), a flavonoid glycoside, has been shown in vitro anti-inflammatory activities. To date, the mechanism of AG against colitis has not been reported. In this study, we investigated the role of AG in relieving colitis and explored its potential mechanisms in dextran sulfate sodium (DSS)-induced colitis mice. The results indicated oral administration of AG increased colon length and improved colonic histopathology. Besides, it dramatically restored the colonic expression of pro-inflammatory and anti-inflammatory mediators, as well as enhanced the expression of intestinal barrier markers such as ZO-1, occludin, claudin-1, and claudin-3. The mitogen-activated protein kinases (MAPKs) including ERK, JNK, and p38 were significantly inhibited. Moreover, 16S rDNA sequencing revealed that AG improved the abundance of Akkermansia, and reduced that of Bacteroides and Desulfovibrio. Taken together, AG supplementation relieved DSS-induced colitis by protecting the intestinal barrier, inhibiting the MAPK pathway, and modulating gut microbiota, which indicated that AG may be a good candidate therapeutic compound for sustaining gut health to lower the risk of colitis.
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