Ameliorative effect of purified anthocyanin from Lycium ruthenicum on atherosclerosis in rats through synergistic modulation of the gut microbiota and NF-κB/SREBP-2 pathways

Abstract Lycium ruthenicum is a natural functional food rich in anthocyanins, and anthocyanins have been reported to possess anti-oxidation and hypolipidemic effects. Therefore, ameliorative effect and potential mechanism of purified anthocyanins from L. ruthenicum (LRPA) on atherosclerosis (AS) were investigated. The experimental AS rats were induced by intraperitoneal injection of vitamin-D3 and a high-fat diet for 8 weeks. Oral treatment with LRPA significantly decreased serum TG, TC, LDL-C, TNF-α, and IL-6 levels and atherogenic index while increasing HDL-C concentrations. Histological abnormalities of the aorta, liver and small intestine were obviously alleviated. Moreover, LRPA treatment significantly increased the relative abundance of Bifidobacterium, Lactobacillus, Roseburia, Akkermansia, and Lachnospiraceae_NK4A136_group and decreased Prevotellaceae_NK3B31_group, which was accompanied by upregulating the expression of NF-κB, VCAM-1, CYP7A1, and downregulating SREBP-2. These results indicated LRPA ameliorated AS by reshaping the destructed gut microbiota community and modulation of the signaling pathways of arterial inflammation (NF-κB) and hepatic lipid metabolism (SREBP-2).

• Publication year

  2019

• Venue

  Journal of Functional Foods

• Publication date

  2019-08-01

• Fields of study

  Biology, Medicine, Chemistry, Environmental Science

• Identifiers
  DOI 10.1016/J.JFF.2019.05.038
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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