相关实验视频
Updated: Jul 23, 2025

08:48
Author Spotlight: Decoding Mitochondrial Aging
Published on: June 30, 2023
4.0K
用老年治疗药物准神经退行症中微生物群-线粒体交叉的目标
1Department of Pharmacology, University of Zagreb School of Medicine, Zagreb, Croatia; Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia.
Advances in protein chemistry and structural biology
|July 12, 2023
概括
肠道中的微生物失衡可能会通过引起线粒体功能障碍相关衰老 (MiDAS) 来驱动神经退行. 针对线粒体的老年疗法提供了一种潜在的治疗方法,可以扭转神经退行性疾病中这种有害的循环.
科学领域:
- 神经科学是一个神经科学.
- 微生物学 微生物学
- 老年学是一门学科.
- 药理学 药理学是指药理学的学科.
背景情况:
- 神经退行性疾病涉及渐进的神经元损失,原因复杂且不太清楚.
- 目前的治疗方法并没有改变疾病,这突显出迫切需要新的治疗策略.
- 新出现的证据表明,神经退行症中的肠道失生症和胃肠异常稳定性.
研究的目的:
- 探索肠道微生物群在神经退行性疾病的发病过程中的作用.
- 研究微生物失调,线粒体功能障碍和细胞衰老 (MiDAS) 之间的联系.
- 通过老年疗法确定潜在的治疗点,以减轻神经退行症.
主要方法:
- 审查关于微生物群在神经退行症中的作用的积累证据.
- 对涉及线粒体功能障碍相关衰老 (MiDAS) 的拟议机制的分析.
- 对细胞衰老路径的检查:抗亡路径 (SCAP) 和与衰老相关的分泌表型 (SASP).
主要成果:
- 肠道疾病可能通过诱导线粒体功能障碍和MiDAS促进神经退行.
- 细胞衰老有助于有害的炎症和氧化应激循环.
- 衰老细胞抵抗细胞亡,并通过SASP促进促进炎症的微环境.
结论:
- 肠道功能障碍,线粒体功能障碍和细胞衰老形成了一个恶性循环,驱动神经炎症和神经退行.
- 针对线粒体的老年治疗药物 (老年化药物和老年化药物) 在预防和逆转MiDAS方面表现有前途.
- 准衰老途径为神经退行性疾病提供了一个新的治疗途径.
相关概念视频
Electron Transport Chain: Complex I and II
14.5K
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...
14.5K
Mitochondria
13.9K
Mitochondria are eukaryotic cellular organelles that are known to produce energy through a process called oxidative phosphorylation. Besides their primary function, mitochondria are involved in various cellular processes, including cell growth, differentiation, signaling, metabolism, and senescence. Age-related changes cause a decline in mitochondrial quality and integrity due to increased mitochondrial mutations and oxidative damage. Thus, aging can severely impact mitochondrial functions,...
13.9K
Mitochondrial Membranes
11.6K
A single mitochondrion is a bean-shaped organelle enclosed by a double-membrane system. The outer membrane of mitochondria is smooth and contains many porins - the integral membrane transporters. Porins enable free diffusion of ions and small uncharged molecules through the outer mitochondrial membrane but limit the transport of molecules larger than 5000 Daltons. Further, the outer mitochondrial membrane forms a unique structure called membrane contact sites with other subcellular organelles,...
11.6K
Alzheimer's Disease: Treatment
219
Alzheimer's Disease (AD), a neurodegenerative disorder, is pathologically identified by amyloid plaques and neurofibrillary tangles composed of tau protein. AD pharmacotherapy aims to manage cognitive symptoms, delay disease progression, and treat behavioral symptoms. The treatment is primarily symptomatic and palliative, with no definitive disease-modifying therapy available. Cholinesterase inhibitors, including donepezil (Aricept), rivastigmine (Exelon), and galantamine (Razadyne), are...
219

