Related Experiment Video
Updated: Oct 22, 2025
09:13
Sensitive Measurement of Mitophagy by Flow Cytometry Using the pH-dependent Fluorescent Reporter mt-Keima
Published on: August 12, 2018
15.1K
Mitophagy Regulates Neurodegenerative Diseases.
Xufeng Cen1,2, Manke Zhang1, Mengxin Zhou1
1Department of Biochemistry & Research Center of Clinical Pharmacy of The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310058, China.
Cells
|August 27, 2021
Summary
Mitophagy, the process of clearing damaged mitochondria, is crucial for neuronal health. Dysfunctional mitophagy contributes to neurodegenerative diseases, highlighting its potential as a therapeutic target.
Area of Science:
- Cellular Biology
- Neuroscience
- Biochemistry
Background:
- Mitochondria are vital for neuronal energy production and survival.
- Mitophagy is a key quality control mechanism for maintaining mitochondrial health.
- Impaired mitophagy leads to damaged mitochondria accumulation, linked to neurodegeneration.
Purpose of the Study:
- To review the molecular mechanisms and signaling pathways regulating mitophagy.
- To explore the role of mitophagy in the pathogenesis of neurodegenerative diseases and aging.
- To identify potential therapeutic interventions targeting mitophagy.
Main Methods:
- Literature review of molecular mechanisms in mitophagy.
- Analysis of signaling pathways involved in mitophagy regulation.
- Synthesis of recent research on mitophagy in neurodegenerative diseases.
Main Results:
- Detailed overview of mitophagy regulation mechanisms.
- Established links between defective mitophagy and neurodegenerative conditions like Parkinson's, Alzheimer's, and Huntington's disease.
- Identified aging as a factor influencing mitophagy efficiency.
Conclusions:
- Mitophagy dysfunction is a significant contributor to neurodegenerative disease pathogenesis.
- Understanding mitophagy pathways offers novel therapeutic strategies for neurodegenerative disorders.
- Targeting mitophagy presents a promising avenue for treating age-related neurological decline.
Related Concept Videos
01:27Autophagy
4.9K
Autophagy is a self-digesting process by which a cell protects itself from threats both within and outside the cell, ranging from abnormal proteins to invading bacteria. In this process, obsolete components of the cell and invading microbes are degraded by hydrolytic enzymes active in an acidic environment of the lysosomal lumen.
An autophagic pathway consists of a series of signaling events activated in response to diverse stress and physiological conditions such as food deprivation,...
An autophagic pathway consists of a series of signaling events activated in response to diverse stress and physiological conditions such as food deprivation,...
4.9K
01:13The Proteasome
1.2K
Eukaryotic cells can degrade proteins through several pathways. One of the most important among these is the ubiquitin-proteasome pathway. It helps the cell eliminate the misfolded, damaged, or unwarranted cytoplasmic proteins in a highly specific manner.
In this pathway, the target proteins are first tagged with small proteins called ubiquitin. This involves participation of a series of enzymes including— E1 (ubiquitin-activating enzyme), E2 (ubiquitin-conjugating enzyme), and E3...
In this pathway, the target proteins are first tagged with small proteins called ubiquitin. This involves participation of a series of enzymes including— E1 (ubiquitin-activating enzyme), E2 (ubiquitin-conjugating enzyme), and E3...
1.2K
01:36Delivery Pathways to the Lysosome
8.2K
Eukaryotic cells use different mechanisms to eliminate toxic waste obsolete and worn-out substances. Lysosomes play a pivotal role in this, and hence, these substances are carried to the lysosome from other parts of the cell and extracellular space through different pathways. The most elaborately studied pathways to the lysosome are the endocytic pathways.
Endocytosis
In endocytosis, the cell membrane takes up macromolecules and particles from the surrounding medium. Clathrin-mediated...
Endocytosis
In endocytosis, the cell membrane takes up macromolecules and particles from the surrounding medium. Clathrin-mediated...
8.2K
01:18Autophagic Cell Death
3.6K
Christian de Duve discovered “autophagy,” a process in which cellular components are engulfed by membrane-bound organelles called autophagosomes. The autophagosomes then fuse with lysosomes to digest the enclosed contents. Autophagy is generally activated in cells to prevent cell death. However, cell death is triggered when the damage is beyond repair.
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and...
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and...
3.6K
01:37Neural Regulation
40.6K
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
40.6K
01:19Translocation of Proteins into the Mitochondria
8.9K
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,...
8.9K