植物醇补充剂对脂蛋白亚分数和LDL颗粒质量的影响
Valeria Arruda Machado1, Angela Rocio Niño Santisteban2, Celma Muniz Martins1
1Cardiology Division, Department of Medicine, Federal University of Sao Paulo, 340 - Sao Paulo, Sao Paulo, SP, Brazil.
Scientific reports
|May 15, 2024
概括
植物补充剂对HDL-7水平有很小的益处,但对接受初级胆固醇预防的男性没有改变LDL颗粒质量. 需要进一步的研究来全面探索这些影响.
科学领域:
- 营养生物化学 营养生物化学
- 心血管健康 心血管健康
- 脂质代谢 脂质代谢是什么
背景情况:
- 植物醇,植物衍生化合物,以降低胆固醇的作用而闻名.
- 它们对脂蛋白亚分数和LDL颗粒质量的影响需要进一步研究.
- 了解这些影响对于优化心血管疾病预防策略至关重要.
研究的目的:
- 评估植物醇补充剂对脂质谱,脂蛋白亚分数和LDL颗粒质量的影响.
- 为了比较饮食与饮食加植物干预对高胆固醇血症风险的男性的结果.
- 提供关于植物醇对特定脂蛋白参数的影响的详细见解.
主要方法:
- 一项前性,随机化,开放标签,交叉试点研究,涉及23名男性.
- 干预包括12周的饮食阶段,随后是12周的饮食加植物 (2.6g/天) 阶段.
- 通过聚烯胺凝电泳 (Lipoprint System®) 分析脂蛋白分片;通过Z-scan和UV-vis光谱学评估LDL质量.
主要成果:
- 植物醇补充剂显示了降低HDL-7和显著降低总胆固醇 (TC) 的趋势,增加了HDL-c,降低了IDL-B.
- 与基线相比,单独的饮食增加了HDL7和减少了IDL-B.
- 没有观察到植物干预对LDL颗粒的整体质量有显著影响.
结论:
- 与单独饮食相比,植物醇补充剂对HDL-7亚数提供了适度的益处.
- 植物醇似乎不会影响LDL颗粒的质量.
- 这些发现有助于理解植物在初级预防脂质管理中的作用.
相关概念视频
Blood Studies for Cardiovascular System III: Serum Lipid Profile
155
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...
155
Lipid-Lowering Drugs: Statins and Miscellaneous Agents
652
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...
652
Cholesterol: Significance and Regulation
539
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...
539
Lipids: Dietary Sources and Requirements
729
Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ...
729
Overview of Fatty Acid Metabolism
30.5K
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...
30.5K
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


