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Reduction of alcohol-induced mitochondrial damage with ginsenoside Rg1 studied by atomic force microscopy
Shengli Zhang1, Yi Zeng2, Bowei Wang1
1International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China; Zhongshan Institute of hangchun University of Science and Technology, Zhongshan 528400, China; Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, China.
Ginsenoside Rg1 (G-Rg1) treatment reversed alcohol-induced mitochondrial swelling and abnormal mechanical properties. This finding offers potential therapeutic strategies for alcoholic liver disease by restoring mitochondrial function.
Area of Science:
- Cell Biology
- Hepatology
- Biophysics
Background:
- Mitochondrial morphology and mechanics are crucial for diagnosing and treating liver diseases.
- Alcohol-induced liver damage significantly impacts mitochondrial structure and function.
Purpose of the Study:
- To investigate the effects of ginsenoside Rg1 (G-Rg1) on alcohol-damaged mitochondria.
- To quantify changes in mitochondrial morphology and mechanical properties under near-physiological conditions.
Main Methods:
- Utilized atomic force microscopy (AFM) to quantify mitochondrial morphology and mechanical properties.
- Compared mitochondria from normal hepatocytes, alcohol-exposed hepatocytes, and G-Rg1 treated hepatocytes.
Main Results:
- Alcohol exposure caused significant mitochondrial swelling, increasing surface area.
- G-Rg1 treatment normalized mitochondrial area and improved mechanical properties like adhesion and elastic modulus.
- AFM revealed alcohol-induced reductions in mitochondrial adhesion and elastic modulus, which G-Rg1 counteracted.
Conclusions:
- Ginsenoside Rg1 effectively alleviates alcohol-induced mitochondrial swelling and mechanical dysfunction.
- G-Rg1 demonstrates potential as a therapeutic agent for alcoholic liver disease by restoring mitochondrial integrity.
- Quantification of mitochondrial mechanics provides insights into disease progression and therapeutic efficacy.
