针对低密度脂蛋白胆固醇的新生物疗法
Praneet K Gill1, Robert A Hegele1
1Department of Medicine, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada.
The Canadian journal of cardiology
|August 10, 2023
概括
针对PCSK9和ANGPTL3等基因的新生物疗法提供了降低低密度脂蛋白胆固醇和预防心血管疾病的新方法. 这些以自然低胆固醇血症为灵感的治疗方法正在改变临床实践.
科学领域:
- 心血管医学 心血管医学
- 遗传学 是一个遗传学.
- 药理学 药理学是指药理学的学科.
背景情况:
- 降低低密度脂蛋白胆固醇 (LDL-C) 是预防动脉样硬化心血管疾病 (ASCVD) 的关键.
- 单一性低胆固醇血症提供了对降低LDL-C的遗传点的洞察.
- PCSK9,ANGPTL3,MTTP和APOB基因中的致病变体与自然低胆固醇水平有关.
研究的目的:
- 审查针对参与脂质代谢的关键基因的新疗法的开发和临床应用.
- 突出说明蛋白转化酶潜素克辛9型 (PCSK9) 和血管蛋白类3 (ANGPTL3) 抑制剂对临床实践的影响.
- 讨论新兴疗法,这些疗法有可能长期或终身降低LDL-C.
主要方法:
- 针对降脂疗法的现有文献进行了重点审查.
- 讨论目前批准的针对PCSK9,ANGPTL3和MTTP的生物疗法.
- 临床前和临床试验阶段治疗的概述,包括疫苗和基因编辑方法.
主要成果:
- 针对PCSK9和ANGPTL3的几种疗法现在正在临床使用,包括单克隆抗体 (alirocumab,evolocumab,evinacumab) 和小干扰RNA (inclisiran).
- 微小的甘油三转移蛋白抑制剂洛米塔皮德也在临床上可用.
- 包括疫苗和基因编辑在内的多种新疗法正在开发中.
结论:
- 灵感来自单一性低胆固醇血症的生物疗法是管理升高的LDL-C和预防ASCVD的有效工具.
- 抑制PCSK9和ANGPTL3显著影响了心血管疾病治疗策略.
- 未来的疗法,特别是疫苗和基因编辑,有望持续,长期控制脂质水平.
相关概念视频
Lipid-Lowering Drugs: Statins and Miscellaneous Agents
699
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...
699
Atherosclerosis III: Management
12
Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
12
Cholesterol: Significance and Regulation
584
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...
584
Lipid Absorption
522
Dietary triglycerides from chyme in the duodenum are mixed with bile salts produced by the liver to emulsify fats. As a result, large droplets are broken down into smaller ones, increasing the surface area for enzymatic action. Once emulsified, pancreatic lipases hydrolyze the triglycerides into free fatty acids and monoglycerides.
These breakdown products bind with bile salts and lecithin to form micelles, which quickly pass between microvilli to come in close contact with the apical...
These breakdown products bind with bile salts and lecithin to form micelles, which quickly pass between microvilli to come in close contact with the apical...
522
Lipid-derived Compounds in the Human Body
4.4K
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,...
4.4K
Blood Studies for Cardiovascular System III: Serum Lipid Profile
194
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...
194


