通过线粒体损伤途径映射神经特征的疾病:从遗传证据的见解
Anna Makridou1, Evangelie Sintou1, Sofia Chatzianagnosti1
1Department of Histology-Embryology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.
Current issues in molecular biology
|July 29, 2025
概括
线粒体功能障碍导致神经系统疾病,这是由于大脑的高能量需求. 本综述根据生化途径对这些疾病进行了分类,将遗传突变与代谢问题和临床症状联系起来,以便更好地诊断和治疗.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 是一个遗传学.
- 代谢障碍 代谢障碍 代谢障碍
背景情况:
- 线粒体功能障碍是神经系统疾病的核心,影响大脑的高能量需求和平衡.
- 疾病异质性和表型和遗传学的变异性使线粒体疾病的诊断和治疗复杂化.
- 突变会破坏能量生产,增加氧化应激,并损害细胞过程,导致神经元受损.
研究的目的:
- 综合当前关于线粒体神经系统疾病的知识.
- 根据被破坏的生化途径对疾病进行分类,将遗传突变与代谢障碍和临床表型联系起来.
- 为改善诊断和治疗提供一个框架,将分子发现与临床实践联系起来.
主要方法:
- 叙事审查方法.叙事审查方法.
- 基于受影响的线粒体过程的疾病分类:氧化酸化 (OXPHOS),酸盐代谢,脂肪酸β氧化,氨基酸代谢,脂重塑,多系统相互作用和与大脑铁积累的神经退行.
- 对遗传,临床和分子数据的分析,以确定共享和独特的病理生理特征.
主要成果:
- 采用了一种以途径为导向的框架,通过主要受影响的线粒体过程来组织疾病.
- 遗传原因,遗传模式和神经表现被综合成一个综合表.
- 在各种线粒体神经病理学中阐明了共同和独特的病理生理特征.
结论:
- 基于路径的分类提供了一个概念框架,将分子发现与临床实践联系起来.
- 这种方法支持更精确的诊断策略和针对线粒体神经系统疾病的向治疗方法的开发.
- 基因和治疗技术的进步为个性化治疗提供了希望,但必须应对异质体和分娩等挑战.
相关概念视频
Disorders of the Nervous Tissue
1.6K
Nervous tissue is a vital component of the human body's communication system, enabling us to perceive and respond to stimuli. However, like all other tissues, it is vulnerable to disorders and diseases that can significantly impact our neurological functioning.
Homeostatic Imbalances:
Alzheimer's disease manifests as a gradual decline in memory and cognitive abilities, attributed to the buildup of amyloid plaques and neurofibrillary tangles in the brain.
Parkinson's disease arises from the...
Homeostatic Imbalances:
Alzheimer's disease manifests as a gradual decline in memory and cognitive abilities, attributed to the buildup of amyloid plaques and neurofibrillary tangles in the brain.
Parkinson's disease arises from the...
1.6K
Parkinson's Disease: Overview
710
Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...
710
Disorders of the Skeletal Muscle
1.1K
The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
1.1K
Animal Mitochondrial Genetics
8.0K
Among all the organelles in an animal cell, only mitochondria have their own independent genomes. Animal mitochondrial DNA is a double-stranded, closed-circular molecule with around 20,000 base pairs. Mitochondrial DNA is unique in that one of its two strands, the heavy, or H, -strand is guanine rich, whereas the complementary strand is cytosine rich and called the light, or L, -strand. Compared to nuclear DNA, mitochondrial DNA has a very low percentage of non-coding regions and is marked by...
8.0K
Translocation of Proteins into the Mitochondria
3.3K
Mitochondrial precursors are translocated to the internal subcompartments via independent mechanisms involving distinct protein machineries called translocases.
Sorting of outer membrane proteins:
Mitochondrial outer membrane proteins are of two types: the transmembrane, beta-barrel porins, and the membrane-anchored, alpha-helical proteins. Beta-barrel porin precursors are translocated by the TOM complex and inserted into the outer mitochondrial membrane by the SAM complex. In contrast,...
Sorting of outer membrane proteins:
Mitochondrial outer membrane proteins are of two types: the transmembrane, beta-barrel porins, and the membrane-anchored, alpha-helical proteins. Beta-barrel porin precursors are translocated by the TOM complex and inserted into the outer mitochondrial membrane by the SAM complex. In contrast,...
3.3K
Mitochondria
15.0K
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,...
15.0K


