相关实验视频
Updated: Jun 22, 2025

06:47
Isolation and Analysis of Plasma Lipoproteins by Ultracentrifugation
Published on: January 28, 2021
11.1K
弥合长椅和床边之间的差距:高密度脂蛋白功能的临床应用
Yasuhiro Endo1,2, Kei Sasaki1, Katsunori Ikewaki1
1Division of Anti-aging and Vascular Medicine, Department of Internal Medicine, National Defense Medical College.
Journal of atherosclerosis and thrombosis
|June 26, 2024
概括
高密度脂蛋白 (HDL) 的功能,而不仅仅是胆固醇水平,是心血管健康和其他疾病的关键. 了解HDL的理解
科学领域:
- 脂质新陈代谢和心血管科学
- 分子和细胞生物学分子和细胞生物学
- 生物化学 生化学
背景情况:
- 早期的研究将高密度脂蛋白胆固醇 (HDL-C) 与心血管疾病 (CVD) 风险联系起来.
- 全基因组研究显示了HDL-C水平和心血管疾病结果之间的差异,促使重新评估.
- 高密度胆固醇在逆胆固醇运输 (RCT) 中的作用对于预防动脉样硬化至关重要.
研究的目的:
- 探索超越胆固醇水平的高密度胆固醇的多方面的功能.
- 调查HDL在各种疾病中的参与,包括慢性脏病和阿尔茨海默病.
- 根据HDL的保护性质,确定新的生物标志物和治疗点.
主要方法:
- 流行病学和全基因组关联研究的分析.
- 阐明HDL在逆胆固醇运输 (RCT) 中的作用.
- 应用omics技术 (蛋白质组学,脂质组学) 和基于细胞/无细胞的测定.
主要成果:
- HDL功能,而不仅仅是HDL-C水平,对于预防疾病至关重要.
- 高密度脂具有抗炎,抗氧化和抗感染的特性.
- 奥米克技术揭示了HDL组成的疾病特异性变化.
结论:
- 高脂蛋白的保护功能超越了心血管健康,扩展到其他疾病.
- 高密度胆固醇的组成和功能为个性化医疗提供了潜力.
- 对HDL多功能性的全面理解,打开了新的治疗途径.
相关概念视频
Lipid-Lowering Drugs: Statins and Miscellaneous Agents
635
Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...
635
Blood Studies for Cardiovascular System III: Serum Lipid Profile
154
Understanding serum lipids is crucial for maintaining cardiovascular health and preventing heart disease and stroke.
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
154
Lipid-derived Compounds in the Human Body
4.3K
Fats and lipids are crucial components in the human body. Some lipid-derived compounds, such as fat-soluble vitamins, eicosanoids, lipoproteins, and glycolipids, also play unique roles to support various biological processes .
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin,...
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin,...
4.3K
Cholesterol: Significance and Regulation
535
Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
Considering cholesterol and...
535
Drug Distribution: Tissue Binding
2.6K
Upon entering the systemic circulation, drugs can distribute into the interstitial and intracellular fluid of various tissue cells. This distribution is facilitated by the binding of drugs to different cellular components within tissues, which may lead to drug accumulation in specific areas. Drugs bound to tissue components serve as reservoirs that release free drugs back into the system, prolonging the drug's overall action. However, this accumulation can also result in local toxicity.
For...
For...
2.6K
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
76
Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
76

