代谢功能障碍相关的脂肪肝疾病中的肠道微生物群和代谢组:相互作用,机制和治疗价值
Luyu Wang1, Hongtao Wang1, Jian Wu2,3
1Anhui Province Key Laboratory of Immunology in Chronic Diseases, Research Center of Laboratory, School of Laboratory, Bengbu Medical University, Bengbu, China.
Frontiers in cellular and infection microbiology
|August 7, 2025
概括
与代谢功能障碍相关的脂肪肝疾病 (MAFLD) 涉及肠道微生物和代谢物失衡. 精准医学旨在通过分析多omics数据和AI来个性化诊断和治疗,以获得更好的患者结果.
科学领域:
- 肝病学 肝病学是一种肝病学.
- 微生物组研究 微生物组研究
- 代谢学 代谢学 代谢学
- 精准医学是一门精准的医学.
背景情况:
- 与代谢功能障碍相关的脂肪肝疾病 (MAFLD) 是一个全球性的健康危机.
- MAFLD的发病过程涉及肠道微生物群-代谢物-肝脏轴的失调.
- 关键机制包括微生物失调,改变短链脂肪酸合成,炎症 (TLR4/NF-κB通路) 和胆酸信号干扰.
研究的目的:
- 要突出肠道微生物群-代谢物-肝脏轴在MAFLD中的作用.
- 讨论精确诊断的进步和MAFLD个性化治疗策略.
- 为未来的MAFLD研究和临床管理提出框架.
主要方法:
- 多学科整合 (基因组学,代谢学,微生物组分析).
- 用人工智能驱动的肝酶和代谢生物标志物的分析,用于纤维化病阶段.
- 针对性干预的患者特异性微生物生态评估.
主要成果:
- 代谢学揭示了特征性障碍:自由脂肪酸的积累,高分支链氨基酸和线粒体功能障碍.
- 非侵入性,人工智能驱动的方法在纤维化分期中实现了超高的准确性.
- 个性化治疗策略,包括微生物干预和工程生态系统,显示出希望.
结论:
- 精确诊断和个性化疗法正在改变MAFLD的管理.
- 结合多omics,AI建模和临床验证的闭环框架至关重要.
- 未来的努力应集中在解读患者特异性机制,以阻止MAFLD向肝硬化和肝细胞癌的进展.
相关概念视频
Overview of Fatty Acid Metabolism
31.7K
Lipids also are sources of energy that power cellular processes. Like carbohydrates, lipids are composed of carbon, hydrogen, and oxygen, but these atoms are arranged differently. Most lipids are nonpolar and hydrophobic. Major types include fats and oils, waxes, phospholipids, and steroids.
Fatty acids are catabolized in a process called beta-oxidation, which takes place in the matrix of the mitochondria and converts their fatty acid chains into two-carbon units of acetyl groups. The acetyl...
Fatty acids are catabolized in a process called beta-oxidation, which takes place in the matrix of the mitochondria and converts their fatty acid chains into two-carbon units of acetyl groups. The acetyl...
31.7K
Overview of Lipid Metabolism
2.4K
Lipid metabolism is a crucial process in the human body that involves the synthesis and degradation of lipids. This process is essential for energy production, cell membrane formation, and hormone production, among other functions.
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
2.4K
Lipid Catabolism
167
Triglycerides serve as crucial long-term energy storage molecules in microorganisms, providing a dense source of metabolic energy. Their breakdown is mediated by lipases, which hydrolyze triglycerides into glycerol and free fatty acids. Each of these components follows distinct metabolic pathways, ultimately contributing to ATP synthesis and cellular energy homeostasis.Glycerol MetabolismGlycerol, released from triglyceride hydrolysis, is phosphorylated by glycerol kinase to form...
167
Factors Affecting Drug Biotransformation: Physicochemical and Chemical Properties of Drugs
375
A drug's physicochemical properties fundamentally influence its metabolism. For instance, a drug's molecular size and shape critically determine its interaction with enzymes and transporters — larger drugs may face difficulty reaching enzyme active sites, altering their metabolic pathways. The pKa of a drug, which establishes its ionization state, can impact its solubility and absorption, thereby influencing metabolism.
The drug's acidity or basicity is essential in...
The drug's acidity or basicity is essential in...
375
Factors Affecting Drug Biotransformation: Biological
241
Biological factors significantly impact drug metabolism, influencing drug clearance, efficacy, and potential toxicity.
Species differences: Variations in enzyme systems across species can cause disparities in drug metabolism. For instance, humans may metabolize certain drugs faster than rodents, altering therapeutic effects.
Strain differences: Genetic variations within a species can result in differing enzyme activity, impacting drug response and toxicity. For example, some mouse strains may...
Species differences: Variations in enzyme systems across species can cause disparities in drug metabolism. For instance, humans may metabolize certain drugs faster than rodents, altering therapeutic effects.
Strain differences: Genetic variations within a species can result in differing enzyme activity, impacting drug response and toxicity. For example, some mouse strains may...
241
Overview of Metabolism
31.9K
Living cells constantly carry out various chemical reactions which are necessary for their proper functioning. These reactions are interlinked to one another via multiple pathways. The collection of these chemical reactions is known as metabolism.
Plant Metabolism
Sunlight, the primary source of energy in plants, is first absorbed by the chlorophyll pigments present in their leaves. Plants then use this energy to carry out photosynthesis, where water is oxidized into oxygen and carbon dioxide...
Plant Metabolism
Sunlight, the primary source of energy in plants, is first absorbed by the chlorophyll pigments present in their leaves. Plants then use this energy to carry out photosynthesis, where water is oxidized into oxygen and carbon dioxide...
31.9K


