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Hepatic Transcriptomics Reveals Reduced Lipogenesis in High-Salt Diet Mice
1Department of Endocrinology and Metabolism, Zhongshan Hospital, Fudan University, Shanghai 200032, China.
Genes
|May 27, 2023
Summary
A high salt diet (HSD) significantly alters liver metabolism by reducing key gene expression involved in lipid and steroid biosynthesis. This study identifies molecular mechanisms underlying HSD-induced metabolic dysfunction.
Area of Science:
- Metabolomics
- Molecular Biology
- Genomics
Background:
- High salt diet (HSD) is linked to cardiovascular disease and metabolic dysfunction.
- The specific molecular mechanisms of long-term HSD on hepatic metabolism are not well understood.
Purpose of the Study:
- To investigate the impact of HSD on liver tissue metabolism.
- To identify differentially expressed genes (DEGs) and molecular pathways affected by HSD in the liver.
Main Methods:
- Transcriptome analysis of liver tissues from HSD and control mice.
- Quantitative RT-qPCR to validate gene expression changes.
Main Results:
- HSD significantly reduced the expression of genes involved in lipid and steroid biosynthesis (e.g., Fasn, Scd1, Cyp7a1).
- Gene Ontology (GO) analysis revealed significant enrichment of terms related to lipid and steroid metabolic processes.
- Six genes were confirmed as down-regulated and two as up-regulated via RT-qPCR.
Conclusions:
- Long-term HSD induces significant alterations in hepatic lipid and steroid metabolism.
- Identified DEGs and metabolic pathways provide a basis for understanding HSD-induced metabolic disorders.
