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Helianthus Annuus L. Alleviates High-Fat Diet Induced Atherosclerosis by Regulating Intestinal Microbiota, Inhibiting Inflammation and Restraining Oxidative Stress.
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- Author(s): Wang, Jianbing (AUTHOR); Shan, Shijun (AUTHOR); Lyu, Anqi (AUTHOR); Wan, Yinsheng (AUTHOR); Zhang, Jun (AUTHOR)
- Source:
American Journal of Chinese Medicine. 2021, Vol. 49 Issue 7, p1683-1701. 19p. - Source:
- Additional Information
- Subject Terms: INFLAMMATION prevention; ATHEROSCLEROSIS prevention; INTERLEUKINS; REVERSE transcriptase polymerase chain reaction; CYTOKINES; FAT content of food; ANALYSIS of variance; BODY weight; GUT microbiome; ANIMAL experimentation; IMMUNOHISTOCHEMISTRY; PERMEABILITY; SUPEROXIDE dismutase; INGESTION; OXIDATIVE stress; HYPERLIPIDEMIA; MALONDIALDEHYDE; TUMOR necrosis factors; MESSENGER RNA; ENZYME-linked immunosorbent assay; DESCRIPTIVE statistics; PLANT extracts; NITRIC oxide; POLYMERASE chain reaction; DATA analysis software; MICE; GLUTATHIONE peroxidase; LIPIDS
- Abstract: Helianthus Annuus L. (HAL) is composed of flavonoids and polysaccharides. Flavonoids have demonstrated beneficial effects on atherosclerosis (AS). The objective of this study was to investigate the anti-atherosclerosis effect and the related mechanism of HAL. In this study, the AS model induced by high-fat diet (HFD) mice that lacked apolipoprotein E (Apoe − / −) received feed containing 5% HAL for 24 weeks. After administration, the analysis of plaque on aorta was conducted, and the possible mechanisms were further explored. With HAL treatment, the size of atherosclerotic lesions in HFD-induced AS model mice was reduced. HAL ameliorated dyslipidemia and decreased the combined ratio. HAL up-regulated concentrations of superoxide dismutase (SOD), nitric oxide (NO) and glutathione peroxidase (GSH-Px) and down-regulated concentrations of malondialdehyde (MDA) in the aorta. In addition, 16S rRNA analysis showed that HAL also reduced diversity of the intestinal microbiota, decreased the Firmicutes-to-Bacteroidetes ratio, and increased the relative abundance of probiotics such as Akkermansia muciniphila and Lactobacillus. In the end, HAL decreased the permeability of intestine by increasing the levels of occludin and tight junction protein 1 (ZO-1) in the colon, consequently decreasing concentration of interleukin (IL)-6, IL-1 β and tumor necrosis factor-alpha (TNF- α) in serum and mRNA expressions in the aorta. Data showed that HAL alleviates AS by restraining oxidative stress, regulating intestinal microbiota, decreasing intestinal permeability and inhibiting inflammation. Our findings provided novel insights into the role and mechanism of anti-atherogenic potential of HAL. [ABSTRACT FROM AUTHOR]
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