在人类肥胖症中,ANKRD53的下调,并与脂肪细胞中的线粒体氧化代谢协调脂解
Yingying Su1, Xiaoya Li1, Yikai Wang2
1Department of Endocrinology and Metabolism, Shanghai Diabetes Institute, Shanghai Clinical Center for Diabetes, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Key Clinical Center for Metabolic Disease, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China.
Molecular metabolism
|February 7, 2026
概括
ANKRD53是一种减少肥胖的蛋白质,通过与ACSL1.1相互作用,增强人类脂肪细胞中的脂肪分解和线粒体活性. 这突出了ANKRD53作为脂肪细胞能量代谢的关键调节者.
科学领域:
- 代谢研究的研究.
- 脂肪细胞生物学 脂肪细胞生物学
- 肥胖研究的研究.
背景情况:
- 人类脂肪组织功能障碍是肥胖相关的代谢障碍的核心.
- ANKRD53是一种在脂肪细胞中发现的人类特异性蛋白质,其作用尚不清楚.
- 研究ANKRD53在人类脂肪细胞代谢中的功能至关重要.
研究的目的:
- 研究ANKRD53在人类脂肪细胞代谢中的作用.
- 阐明ANKRD53功能的潜在分子机制.
- 评估ANKRD53作为代谢健康的治疗点的潜力.
主要方法:
- 从236个人脂肪组织的RNA测序分析ANKRD53表达和代谢关联.
- 通过ANKRD53操纵 (过度表达/敲击) 评估人类脂肪细胞中的脂解和线粒体呼吸.
- 在体内研究使用AAV介导的ANKRD53过度表达在小鼠脂肪组织和免疫沉质谱来识别相互作用体.
主要成果:
- ANKRD53的表达在肥胖症下降,与BMI,肥胖,胰岛素耐药性和甘油三相反相关,同时与阿迪波涅克丁和高密度脂蛋白 (HDL) 有积极关联.
- 人体脂肪细胞中的ANKRD53过度表达增强了脂解和线粒体呼吸;敲击破坏了这些功能.
- ANKRD53与ACSL1相互作用,促进其线粒体局部化,将脂肪酸导入β-氧化,这种效应被ACSL1沉默取消.
结论:
- 在肥胖症中,ANKRD53的下调,在协调人体脂肪细胞中的线粒体氧化代谢与脂解中起着至关重要的作用.
- 通过ACSL1-介导的线粒体通道,ANKRD53促进了脂解衍生脂肪酸的高效利用.
- 据证实,ANKRD53是脂肪细胞能量代谢的关键调节剂,也是肥胖相关代谢功能障碍的潜在治疗标.
相关概念视频
Coordination Number and Geometry
19.1K
For transition metal complexes, the coordination number determines the geometry around the central metal ion. Table 1 compares coordination numbers to molecular geometry. The most common structures of the complexes in coordination compounds are octahedral, tetrahedral, and square planar.
19.1K
Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion
191
Drug metabolism, a critical process in the liver, involves two primary phases: Phase I reactions and Phase II conjugation. Obesity introduces significant alterations in this metabolic process, primarily due to fatty infiltration of the liver, leading to conditions such as nonalcoholic fatty liver disease (NAFLD). This condition can modify the activities of both Phase I and II enzymes, impacting how drugs are metabolized in obese patients.Phase I metabolism sees variable effects across...
191
Coordination Compounds and Nomenclature
26.9K
In most main group element compounds, the valence electrons of the isolated atoms combine to form chemical bonds that satisfy the octet rule. For instance, the four valence electrons of carbon overlap with electrons from four hydrogen atoms to form CH4. The one valence electron leaves sodium and adds to the seven valence electrons of chlorine to form the ionic formula unit NaCl (Figure 1a). Transition metals do not normally bond in this fashion. They primarily form coordinate covalent bonds, a...
26.9K
Receptor Downregulation in MVBs
2.8K
Multivesicular bodies (MVBs) are mature endosomes that sort ubiquitinated proteins and then fuse with lysosomes to degrade the sorted proteins. Epidermal growth factor (EGF) and its receptor (EGFR) form a complex that can be internalized through endocytosis, sorted into an MVB, and later degraded.
The EGFR can initiate signaling pathways that lead to cell proliferation, migration, and differentiation. Overexpression of EGFR stimulates cells to proliferate. Excessive EGFR...
The EGFR can initiate signaling pathways that lead to cell proliferation, migration, and differentiation. Overexpression of EGFR stimulates cells to proliferate. Excessive EGFR...
2.8K
Obesity
1.4K
The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
1.4K
Lattice Centering and Coordination Number
11.7K
The structure of a crystalline solid, whether a metal or not, is best described by considering its simplest repeating unit, which is referred to as its unit cell. The unit cell consists of lattice points that represent the locations of atoms or ions. The entire structure then consists of this unit cell repeating in three dimensions. The three different types of unit cells present in the cubic lattice are illustrated in Figure 1.
Types of Unit Cells
Imagine taking a large number of identical...
Types of Unit Cells
Imagine taking a large number of identical...
11.7K


