Effects of Moderate Intensity Exercise on Liver Metabolism in Mice Based on Multi-omics Analysis

Overview

Journal Sci Rep

Specialty Science

Date 2024 Dec 27

PMID 39730655

Authors

Fang Wang

Wanyu Wu

Xuejia He

Ping Qian

Jiahui Chang

Zhaoxu Lu

Jin Guo

Yihua Bao

Hongyan Guan

Ting Zhang

Affiliations

Soon will be listed here.

Abstract

Physical exercise is beneficial to keep physical and mental health. The molecular mechanisms underlying exercise are still worth exploring. The healthy adult mice after six weeks of moderate-intensity exercise (experimental group) and sedentary mice (control group) were used to perform transcriptomic, proteomic, lactylation modification, and metabolomics analysis. In addition, gene sets related to hypoxia, glycolysis, and fatty acid metabolism were used to aid in the screening of hub genes. The mMCP-counter was employed to evaluate infiltration of immune cells in murine liver tissues. Transcriptomics analysis revealed 82 intersection genes related to hypoxia, glycolysis, and fatty acid metabolism. Proteomics and lactylation modification analysis identified 577 proteins and 141 differentially lactylation modification proteins. By overlapping 82 intersection genes with 577 differentially expressed proteins and 141 differentially lactylation modification proteins, three hub genes (Aldoa, Acsl1, and Hadhb) were obtained. The immune infiltration analysis revealed a decreased score for monocytes/macrophages and an increased score for endothelial cells in the experimental group. Then, 459 metabolites in positive mode and 181 metabolites in negative mode were identified. The "Metabolic pathways" (mmu01100) was a common pathway between intersection genes-enriched pathways and metabolites-enriched pathways. These findings highlight the pivotal roles of hub genes in the glycolysis and fatty acid metabolism under the context of chronic exercise.

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