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KMID : 1161420220250121102
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Journal of Medicinal Food
2022 Volume.25 No. 12 p.1102 ~ p.1111
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Morinda citrifolia Extract Prevents Alcoholic Fatty Liver Disease by Improving Gut Health
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Do Moon-Ho
Lee Hyun-Hee
Park Mi-Ri
Oh Mi-Jin
Lee Eun-Jung
Kweon Min-Son
Park Ho-Young
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Abstract
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Alcoholic liver disease (ALD) is a major chronic liver disease. Chronic alcohol consumption induces dysbiosis, disruption of gut barrier function, oxidative stress, inflammation, and changes in lipid metabolism, thereby leading to ALD. In this study, we investigated whether the commercial Morinda citrifolia extract Nonitri can ameliorate ALD symptoms through the gut-liver axis. We used mice chronically administered EtOH and found a marked increase in serum endotoxin levels and biomarkers of liver pathology. Moreover, the EtOH-treated group showed significantly altered gut microbial composition particularly that of Alistipes, Bacteroides, and Muribaculum and disrupted gut barrier function. However, Nonitri improved serum parameters, restored the microbial proportions, and regulated levels of zonula occludens1, occludin, and claudin1. Furthermore, Nonitri suppressed inflammation by inhibiting endotoxin-triggered toll-like receptor 4-signaling pathway and fat deposition by reducing lipogenesis through activating AMP-activated protein kinase in the liver. Furthermore, Pearson's correlation analysis showed that gut microbiota and ALD-related markers were correlated, and Nonitri regulated these bacteria. Taken together, our results indicate that the hepatoprotective effect of Nonitri reduces endotoxin levels by improving gut health, and inhibits fat deposition by regulating lipid metabolism.
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KEYWORD
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Morinda citrifolia, Nonitri, alcoholic liver disease, gut microbiota, gut?liver axis.
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