性饮食对成年人脂质代谢的影响:系统审查协议
Serene Hilary1, Linda Östlundh2, Carine Platat3
1Department of Nutrition and Health, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, UAE.
BMJ open
|September 11, 2024
概括
饮食对成年人的脂质代谢有不同的影响,对胆固醇和甘油三酸有不同的影响. 这次系统审查将总结有关其心脏代谢风险的发现.
科学领域:
- 营养科学 营养科学
- 心血管健康 心血管健康
- 代谢障碍 代谢障碍 代谢障碍
背景情况:
- 低碳水化合物摄入量极低的类饮食是减肥和改善高血糖的公认方法.
- 基因饮食中脂肪消耗增加引发了人们对成人心脏代谢风险的担忧.
- 现有研究表明,性饮食对脂质代谢的影响不一致,一些研究报告改善,而另一些研究表明低密度脂蛋白 (LDL) 和甘油三酸的增加.
研究的目的:
- 系统地审查和总结基因饮食干预措施对成年人群脂质代谢的影响.
- 评估与饮食相关的潜在心脏代谢风险.
- 提供基于证据的信息,以帮助公众了解质饮食对脂质资料的影响.
主要方法:
- 在五个主要数据库中进行系统的文献搜索:PubMed,Embase,Scopus,Cochrane图书馆和Web of Science.
- 将包括涉及成人饮食干预措施的研究,但不包括被诊断患有神经系统疾病的人群.
- 将使用随机效应元分析提取和分析数据,以确定总胆固醇,LDL和甘油三度变化的综合估计,并进行子组分析以探索异质性.
主要成果:
- 本节不适用,因为这是系统审查的协议,而不是审查本身.
- 系统审查将综合符合条件的研究中的定量数据.
- 聚合估计将表明性饮食对关键脂质参数的整体影响.
结论:
- 系统性审查将阐明性饮食对脂肪代谢和成人相关心脏代谢风险的影响.
- 调查结果将为公众健康指导和关于采用素饮食的临床建议提供信息.
- 结果将通过发表在同行评审期刊中进行传播.
相关概念视频
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
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
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
Lipid-Lowering Drugs: Statins and Miscellaneous Agents
588
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...
588
Metabolic States of the Body: Fasting and Starvation
1.2K
During the initial hours of fasting, the body uses up its glycogen stores as an energy source. Once these glycogen reserves are depleted, the body begins breaking down stored triglycerides and structural proteins. During this stage, glycerol becomes a key substrate for gluconeogenesis, while free fatty acids undergo beta-oxidation to provide energy for tissues, such as skeletal muscle. In the fasting state, the body spares protein breakdown as much as possible to conserve muscle and structural...
1.2K
Overview of Fatty Acid Metabolism
30.3K
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...
30.3K


