补充剂对成年人脂质特征的影响:随机对照试验的系统综述和元分析
Mohamed J Saadh1, Abdulrahman Qais Khaleel2, Muna S Merza3
1Faculty of Pharmacy, Middle East University, Amman 11831, Jordan.
Prostaglandins & other lipid mediators
|September 11, 2024
概括
补充剂在成人中显著降低了非常低密度脂蛋白 (VLDL) 胆固醇. 然而,它对其他脂质资料,包括总胆固醇,甘油三,LDL-C和HDL-C,表现出有限的影响,这表明需要进一步研究.
科学领域:
- 营养生物化学 营养生物化学
- 心血管疾病风险因素 心血管疾病风险因素
- 人类健康与营养
背景情况:
- 脱脂症是心血管疾病 (CVD) 的一个主要危险因素.
- 饮食对脂质谱的影响仍在争论中.
- 现有的关于和成人脂质配置文件的研究产生了不一致的结果.
研究的目的:
- 为了评估补充剂在修改成人脂质谱中的有效性.
- 分析对总胆固醇 (TC),甘油三 (TG),LDL-C,VLDL和HDL-C的影响.
主要方法:
- 在主要数据库 (Scopus,PubMed,Web of Science,Google Scholar) 进行系统的文献搜索,截至2024年7月.
- 包括25个随机对照试验 (RCT) 从最初的1205项研究中.
- 随机效应的元分析,以组合加权平均差异 (WMD) 和95%置信区间 (CI).
主要成果:
- 补充剂显著降低了非常低密度脂蛋白 (VLDL) 胆固醇 (WMD: -1.53; 95% CI: -2.86, -0.20).
- 在甘油 (TG),总胆固醇 (TC),LDL-C或HDL-C水平上没有观察到显著的变化.
- 对于TG,TC,LDL-C和HDL-C的个别研究结果显示出相当大的异质性.
结论:
- 补充剂可以有效降低VLDL胆固醇.
- 观察到对其他关键脂质参数的影响有限.
- 进一步的大规模全球RCT是必要的,以充分理解在脂质代谢中的作用.
相关概念视频
Blood Studies for Cardiovascular System III: Serum Lipid Profile
135
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...
135
Lipids: Dietary Sources and Requirements
708
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...
708
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
519
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...
519
Overview of Lipid Metabolism
1.2K
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...
1.2K
Assembly of the Lipid Bilayer in the ER
3.1K
Biological membranes are more than just a barrier separating cell cytoplasm from the outside environment. They are highly dynamic and help maintain the integrity and physiological stability of the cells as well as membrane-bound organelles. Membranes also play vital roles in cell-to-cell and intracellular communication.
A large chunk of any biological membrane is composed of phospholipids. These lipids have a heterogeneous distribution across different subcellular organelles and even between...
A large chunk of any biological membrane is composed of phospholipids. These lipids have a heterogeneous distribution across different subcellular organelles and even between...
3.1K


