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Lin, Yichen; Chen, Hua; Cao, Yingjia; Zhang, Yuanhui; Li, Wenfeng; Guo, Weiling; Lv, Xucong; Rao, Pingfan; Ni, Li; Liu, Penghu

Auricularia auricula Melanin Protects against Alcoholic Liver Injury and Modulates Intestinal Microbiota Composition in Mice Exposed to Alcohol Intake

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  • Medientyp: E-Artikel
  • Titel: Auricularia auricula Melanin Protects against Alcoholic Liver Injury and Modulates Intestinal Microbiota Composition in Mice Exposed to Alcohol Intake
  • Beteiligte: Lin, Yichen; Chen, Hua; Cao, Yingjia; Zhang, Yuanhui; Li, Wenfeng; Guo, Weiling; Lv, Xucong; Rao, Pingfan; Ni, Li; Liu, Penghu
  • Erschienen: MDPI AG, 2021
  • Erschienen in: Foods, 10 (2021) 10, Seite 2436
  • Sprache: Englisch
  • DOI: 10.3390/foods10102436
  • ISSN: 2304-8158
  • Schlagwörter: Plant Science ; Health Professions (miscellaneous) ; Health (social science) ; Microbiology ; Food Science
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:p>The potential effects of Auricularia auricula melanin (AAM) on the intestinal flora and liver metabolome in mice exposed to alcohol intake were investigated for the first time. The results showed that oral administration of AAM significantly reduced the abnormal elevation of serum total triglyceride (TG), cholesterol (TC), low density lipoprotein cholesterol (LDL-C), aspartate aminotransferase (AST) and alanine aminotransferase (ALT), and significantly inhibited hepatic lipid accumulation and steatosis in mice exposed to alcohol intake. Besides, the abnormally high levels of bile acids (BAs) and lactate dehydrogenase (LDH) in the liver of mice with alcohol intake were significantly decreased by AAM intervention, while the hepatic levels of glutathione (GSH) and superoxide dismutase (SOD) were appreciably increased. Compared with the model group, AAM supplementation significantly changed the composition of intestinal flora and up-regulated the levels of Akkermansia, Bifidobacterium, Romboutsia, Muribaculaceae, Lachnospiraceae_NK4A136_group, etc. Furthermore, liver metabolomics demonstrated that AAM had a significant regulatory effect on the composition of liver metabolites in mice with alcohol intake, especially the metabolites involved in phosphatidylinositol signaling system, ascorbate and aldarate metabolism, starch and sucrose metabolism, galactose metabolism, alpha-linolenic acid metabolism, glycolysis/gluconeogenesis, and biosynthesis of unsaturated fatty acids. At the gene level, AAM treatment regulated the mRNA levels of lipid metabolism and inflammatory response related genes in liver, including ACC-1, FASn, CPT-1, CD36, IFN-γ, LDLr and TNF-α. Conclusively, these findings suggest that AAM has potential beneficial effects on alleviating alcohol-induced liver injury and is expected to become a new functional food ingredient.</jats:p>
  • Zugangsstatus: Freier Zugang