辅酶Q10对线粒体代谢的影响:使用光终身成像和电子显微镜的补充研究
Johannes Georg Wieland1,2, Nilanjon Naskar1, Kirsten Reess1
1Center for Biomedical Research, Ulm University, 89081 Ulm, Germany.
Frontiers in bioscience (Landmark edition)
|November 30, 2024
概括
辅酶Q10 (CoQ10) 促进人类皮肤细胞中的细胞能量代谢. 这项研究使用先进的成像来显示CoQ10激活线粒体并减少细胞压力.
科学领域:
- 生物化学 生物化学
- 细胞生物学 细胞生物学
- 线粒体功能的功能
背景情况:
- 辅酶Q10 (CoQ10) 或乌比基诺-10,对于线粒体能量生产至关重要,并起到抗氧化作用.
- 它的生物能量特性使得CoQ10成为治疗和化品应用中非常有意义的分子.
研究的目的:
- 研究辅酶Q10对人类皮肤纤维细胞 (HDF) 的代谢作用.
- 使用光终身成像显微镜 (FLIM) 和电子显微镜 (EM) 进行详细的表征.
主要方法:
- 尼古丁胺氨酸二核酸 (NADH) 的FLIM用于评估细胞能量代谢和空间分布.
- 传输电子显微镜 (TEM) 和扫描传输电子显微镜 (STEM) 断层扫描用于线粒体超结构分析.
主要成果:
- CoQ10治疗导致HDF中NADH寿命更长,这表明氧化酸化增强.
- 阶段分析证实了CoQ10治疗细胞细胞质中的活性化线粒体.
- 经过EM检测,CoQ10治疗的纤维细胞中压力颗粒的减少.
结论:
- 结合的FLIM和EM数据强烈表明,CoQ10刺激细胞能量代谢.
- 辅酶Q10显示出增强线粒体功能和减少皮肤细胞中细胞应激的潜力.
关键词:
CoQQ CoQQ CoQQ CoQQ CoQQ CoQQ CoQQ CoQQ CoQQ CoQQ CoQQ CoQQ CoQQ CoQQ CoQQ CoQQ飞行员飞行员的飞行员这是一种STEM断层扫描.能量代谢 能量代谢纤维细胞的细胞.高压结高压结氧化酸化是一种氧化酸化.基于相位的分段化.传输电子显微镜 传输电子显微镜更多相关视频
05:27Inner Mitochondrial Membrane Sensitivity to Na+ Reveals Partially Segmented Functional CoQ Pools
Published on: July 20, 2022
1.8K
06:57Author Spotlight: Fluorescence-Based Quantification of Mitochondrial Membrane Potential and Superoxide Levels Using Live Imaging in HeLa Cells
Published on: May 12, 2023
7.4K
相关概念视频
Studying the Cytoskeleton
8.3K
The cytoskeletal architecture can be studied using different microscopic and biochemical techniques. Electron microscopy was instrumental in discovering the cytoskeletal architecture around the 1960s, which allowed obtaining structural information at a high-resolution level. However, the sample preparation procedure often limits this ability in biological samples. Several protocols have been developed over the years to optimize sample preparation. In one of the protocols known as rotary...
8.3K
Electron Transport Chain: Complex I and II
11.9K
The mitochondrial electron transport chain (ETC) is the main energy generation system in the eukaryotic cells. However, mitochondria also produce cytotoxic reactive oxygen species (ROS) due to the large electron flow during oxidative phosphorylation. While Complex I is one of the primary sources of superoxide radicals, ROS production by Complex II is uncommon and may only be observed in cancer cells with mutated complexes.
ROS generation is regulated and maintained at moderate levels necessary...
ROS generation is regulated and maintained at moderate levels necessary...
11.9K
