Metabolic kinases—AMPK, mTOR, AKT, PDK, and PERK—coordinate communication between mitochondria, the endoplasmic reticulum, lysosomes, peroxisomes, and the Golgi apparatus. Dysregulation of these kinases during aging impairs this inter-organelle coordination, driving mitochondrial dysfunction, oxidative stress, and metabolic decline that underlie age-related disease.
Key Points
- Five key kinases regulate inter-organelle communication networks in cells
- Kinase dysregulation during aging disrupts mitochondria-ER and mitochondria-lysosome coordination
- Impaired organelle communication drives oxidative stress and metabolic imbalance
Longevity Analysis
The ability of cells to maintain coordinated function across their compartments—managing energy production, waste clearance, protein quality control, and stress responses—directly determines how efficiently aging can be slowed. When kinase signaling fails, the cascade is predictable: mitochondria lose their ability to communicate with the endoplasmic reticulum and lysosomes, energy production becomes inefficient, oxidative damage accumulates unchecked, and damaged proteins and organelles persist rather than being removed. This framework explains why so many age-related diseases cluster around metabolic dysfunction and inflammatory cascades. Identifying which kinases are dysregulated in an individual—and understanding whether that dysregulation stems from nutrient sensing errors, chronic stress, or inadequate regenerative capacity—becomes a window into which cellular systems are falling out of sync first.
Original published by Wiley Aging Cell, by Md Riad Chowdhury, Jae‐Han Jeon, Dipanjan Chanda .