Ameliorative effects of Trichosanthes kirilowii Maxim. seed oil on hyperlipidemia rats associated with the regulation of gut microbiology and metabolomics
文献类型： 外文期刊
作者： Chen, Weili 1 ; Zhou, Zhangbao 1 ; Qi, Ruida 1 ; Zhou, Jun 1 ; Liang, Huiying 1 ; Huang, Pinxi 1 ; Zou, Zebin 1 ; Dong, Ling 2 ; Li, Hua 3 ; Du, Bing 1 ; Li, Pan 1 ;
作者机构： 1.South China Agr Univ, Coll Food Sci, Wushan Rd 483, Guangzhou 510642, Peoples R China
2.Anhui Acad Agr Sci, Inst Hort, Hefei 230031, Anhui, Peoples R China
3.Anhui Youyu Kuayue Food Dev Co Ltd, Anqing 246300, Anhui, Peoples R China
关键词： Trichosanthes kirilowii Maxim. seed oil; PUFAs; Hyperlipidemic; Gut microbiota; Bile acids; Metabonomic
期刊名称：FOOD RESEARCH INTERNATIONAL （ 影响因子：8.0； 五年影响因子：8.5 ）
ISSN： 0963-9969
年卷期： 2024 年 197 卷
页码：
收录情况： SCI
摘要： The mechanisms underlying the ameliorative effects of polyunsaturated fatty acids (PUFAs) on metabolic disorders induced by a high-fat diet (HFD) remain poorly unclear. In this study, we investigated the antihyperlipidemic effects of Trichosanthes kirilowii Maxim. (T. kirilowii) seed oil rich in conjugated linolenic acid in HFD-induced hyperlipidemic rats, by the gut microbiome, cecum bile acids (BAs), and serum metabolomics. The results showed that T. kirilowii seed oil improved dyslipidemia, hepatic steatosis, oxidative stress, and inflammatory responses in HFD-induced rats. Meanwhile, T. kirilowii seed oil inhibited sterol regulatory elementbinding protein 1c (SREBP-1c) mediated fatty acid synthesis and upregulated cholesterol 7-alpha hydroxylase (CYP7A1) mediated hepatic cholesterol metabolism to exert hypolipidemic effects. The administration of high dose T. kirilowii seed oil (THD) improved gut microbiota dysbiosis, increased the relative abundance of beneficial bacteria Romboutsia and unidentified_Oscillospiraceae, and decreased the relative abundance of Christensenellaceae_R-7 group, Phascolarctobacterium, and Bacteroides in HFD-induced rats. T. kirilowii seed oil reduced the accumulation of cecum primary BAs in HFD-induced rats. In addition, THD reversed the HFD-induced changes in 24 serum metabolites including leucine, isoleucine, acetylcarnitine, and glucose. Metabolic pathway enrichment analysis of the differential metabolites revealed that valine, leucine and isoleucine metabolism, butanoate metabolism, citrate cycle, and glycolysis were potential metabolic pathways involved in the anti-hyperlipidemic effects of T. kirilowii seed oil. In conclusion, this study found that dietary T. kirilowii seed oil alleviated gut microbiota dysbiosis and improved metabolic disorders in hyperlipidemic rats. This provides new insights into the anti-hyperlipidemic mechanism by which other families of PUFAs are derived from different plants.
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