超化A-C,三种来自Hypericum acmosepalum的Seco-Norpolyprenylated Acylphloroglucinols,具有降脂活性
Zhuohan Hu1, Lei Huang1, Lang Wang1
1State Key Laboratory of Discovery and Utilization of Functional Components in Traditional Chinese Medicine, School of Pharmaceutical Sciences, Guizhou Medical University, Natural Products Research Center of Guizhou Province, Guiyang 550014, People's Republic of China.
Organic letters
|February 6, 2026
概括
来自Hypericum acmosepalum的三种新的二次多聚乙烯酸醇 (PPAP) 显示出显著的甘油三抑制. 化合物1,一种新型五环PPAP,针对潜在的治疗用途的脂质合成蛋白.
科学领域:
- 自然产品化学 自然产品化学
- 药用化学 医学化学
- 生物化学 生物化学
背景情况:
- 聚烯酸醇 (PPAP) 是一类具有多种生物活性的天然产品.
- 超的物种是已知的生物活性化合物的来源,包括PPAPs.
- 了解PPAP的结构多样性和生物合成途径对于药物发现至关重要.
研究的目的:
- 从*Hypericum acmosepalum*中分离和描述新型的二次多聚烯酸酸 (二次多聚烯酸酸) (seco-norPPAPs).
- 阐明这些罕见化合物的生物合成起源和结构框架.
- 评估分离化合物的潜力,作为三甘合成的抑制剂.
主要方法:
- 植物化学研究涉及提取,隔离和净化技术.
- 分离化合物的结构阐明的光谱方法 (NMR,MS).
- 使用HepG2细胞进行体外测试,以评估甘油三抑制作用和作用机制.
主要成果:
- 隔离了三种新型的二氧化PPAP (Hyperacmoses A-C,1-3) 和两种已知的化合物 (4-5).
- 化合物1和2具有独特的5/6/5/6/5五环框架;化合物3具有5/5/6/6四环核心.
- 与阿托瓦斯塔丁相比,化合物1,2,4和5显示出较高的甘油三抑制活性.
- 化合物1通过向FASN,ACACA和ACSS2.2来抑制脂质合成.
结论:
- 发现了具有前所未有的五环和四环结构的新型seco-norPPAP.
- 一个常见的前体的Baeyer-Villiger氧化解释了PPAP的结构多样性.
- 化合物1,2,4和5显示出有前途的抗甘油三作用,而化合物1是一种强大的抑制剂,向关键的脂原蛋白.
相关概念视频
01:20Lipid-Lowering Drugs: Statins and Miscellaneous Agents
1.4K
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...
1.4K
03:28Vapor Pressure Lowering
31.3K
The equilibrium vapor pressure of a liquid is the pressure exerted by its gaseous phase when vaporization and condensation are occurring at equal rates:
31.3K
01:38What are Lipids?
220.7K
Overview
220.7K
01:31What are Lipids?
11.4K
Lipids function as structural components of cellular membranes, in addition to acting as energy reservoirs and signaling molecules. They are thus crucial to all living organisms. The three biologically important classes of lipids are triglycerides, phospholipids, and steroids.
Non-Polar and Hydrophobic Characteristics of Lipids
Lipids are a structurally and functionally diverse group of hydrocarbons—compounds consisting of carbon and hydrogen atoms. The carbon-carbon and...
Non-Polar and Hydrophobic Characteristics of Lipids
Lipids are a structurally and functionally diverse group of hydrocarbons—compounds consisting of carbon and hydrogen atoms. The carbon-carbon and...
11.4K
01:06Lipid Digestion
99.6K
Lipids are large molecules that are generally not water-soluble. Since most of the digestive enzymes in the human body are water-based, there are specific steps the body must take to break down lipids and make them available for use.
99.6K
03:38Structure of Lipids
99.1K
Lipids include a diverse group of compounds that are largely nonpolar in nature. This is because they are hydrocarbons that include mostly nonpolar carbon-carbon or carbon-hydrogen bonds. Non-polar molecules are hydrophobic (“water fearing”), or insoluble in water. Lipids perform many different functions in a cell. Cells store energy for long-term use in the form of fats. Lipids also provide insulation from the environment for plants and animals. For example, they help keep aquatic...
99.1K