Retinol metabolism signaling participates in microbiota-regulated fat deposition in obese mice

文献类型： 外文期刊

第一作者： Han, Hui

作者： Han, Hui;Yi, Bao;Zhang, Hongfu

作者机构：

关键词： Gut microbiota; Obesity; All-trans retinoic acid (atRA); Retinol; Adipose tissue; Fat deposition

期刊名称：JOURNAL OF NUTRITIONAL BIOCHEMISTRY （ 影响因子：4.9； 五年影响因子：5.5 ）

ISSN： 0955-2863

年卷期： 2025 年 136 卷

页码：

收录情况： SCI

摘要： Obesity is a global pandemic threatening public health, excess fat accumulation and overweight are its characteristics. In this study, the interplay between gut microbiota and retinol metabolism in modulating fat accumulation was verified. We observed gut microbiota depletion reduced the body weight and the ratios of white adipose tissues (WATs) to body weight in high-fat diet (HFD) fed-mice. The kyoto encyclopedia of genes and genomes (KEGG) analysis and protein-protein interaction (PPI) network of RNA-seq results indicated that retinol metabolism signaling may be involved in the microbiotaregulated fat deposition. Furthermore, activated retinol metabolism signaling by all-trans retinoic acid (atRA) supplementation reduced body weight and WAT accumulation in obese mice. 16S rRNA gene sequencing of the ileal microbiota suggested that atRA supplementation increased the microbial diversity and induced the growth of beneficial bacteria including Parabacteroides, Bacteroides, Clostridium_XVIII, Bifidobacterium, Enterococcus, Bacillus, Leuconostoc, and Lactobacillus in obese mice. Spearman correlation showed that the microbiota altered by atRA were associated with body and WAT weights. Together, this study reveals the interaction between the gut microbiota and retinol metabolism signaling in regulating adipose accumulation and obesity. It is expected of this finding to provide new insights to prevent and develop therapeutic measures of obesity-related metabolic syndrome. (c) 2024 Elsevier Inc. All rights are reserved, including those for text and data mining, AI training, and similar technologies.

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