通过氧类固醇脱酶蛋白调节脂质滴状动力学和脂质平衡
Bin Liang1, Lin Fu2, Pingsheng Liu3
1Center for Life Sciences, Yunnan Key Laboratory of Cell Metabolism and Diseases, School of Life Sciences, Yunnan University, Kunming 650500, China; Southwest United Graduate School, Kunming 650092, China.
Trends in cell biology
|November 27, 2024
概括
水氧类固醇脱酶 (HSD) 是参与脂质代谢的酶. 某些HSD与脂质滴结合,调节中性脂质,并为代谢疾病和病毒感染提供潜在的治疗点.
科学领域:
- 生物化学 生物化学
- 细胞生物学 细胞生物学
- 代谢疾病 代谢疾病
背景情况:
- 水氧类固醇脱酶 (HSD) 是跨物种脂质和类固醇激素代谢中的关键酶.
- 新兴证据显示HSD,包括3β-HSD,11β-HSD和17β-HSD,作为脂滴 (LD) 相关蛋白质起作用.
- 这些蛋白质影响LD动态超出了它们既定的酶作用.
研究的目的:
- 审查目前对LD相关的HSD蛋白质的理解.
- 探索这些HSD如何在LD中调节中性脂质 (TAG,CE,RE).
- 突出针对代谢疾病和病毒感染的HSD的治疗潜力.
主要方法:
- 对HSD和脂质滴滴研究的文献综述.
- 对HSD参与中性脂质代谢 (TAG,CE,RE) 的分析.
- 检查LD相关的17β-HSD在抑制脂解中的作用.
- 针对疾病治疗的HSD向策略的调查.
主要成果:
- 与LD相关的HSD调节脂质滴的组成和动态.
- 特定的HSD参与调节三糖醇,胆固醇和网.
- 一些17β-HSD成员在预防脂解方面表现出一种进化保守的功能.
- 在治疗代谢障碍和病毒感染方面,HSDs是有前途的目标.
结论:
- 与LD相关的HSD在脂质代谢和细胞脂质储存中发挥着多方面的作用.
- 针对这些HSD为代谢疾病和病毒感染提供了新的治疗途径.
- 对HSD-LD相互作用的进一步研究可以解锁新的治疗策略.
相关概念视频
Overview of Lipid Metabolism
1.0K
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...
1.0K
Biosynthesis of Lipids
1
Microbial membranes exhibit remarkable diversity in lipid composition, reflecting evolutionary adaptations to various environmental conditions. The three domains of life—Bacteria, Archaea, and Eukarya—synthesize membrane lipids through distinct biosynthetic pathways, leading to fundamental structural differences that impact membrane stability, function, and adaptability.Fatty Acid-Based Lipids in Bacteria and EukaryaBacteria and eukaryotes share a common fatty acid biosynthesis...
1
Cholesterol: Significance and Regulation
510
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...
510
What are Lipids?
7.4K
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...
7.4K
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
Regulation of Nuclear Protein Sorting
2.4K
Nuclear protein sorting regulates nucleus composition and gene expression, crucial for determining the fate of a eukaryotic cell. Hence, the entry and exit of molecules across the nuclear envelope is a tightly controlled process. Nuclear protein sorting can be inhibited by one of the following ways: 1) masking cargo signal sequences, 2) modifying the nuclear receptor's affinity for cargo, 3) controlling the nuclear pore size, 4) retaining the cargo during its transit to the cytosol or the...
2.4K


