Mitochondrial Dynamics and SLC25 Transporters in Neurodegeneration: From Mechanisms to Therapeutic Opportunities

Le résumé fourni par la source

Neurodegenerative diseases are increasingly recognized as disorders of due to disrupted cellular homeostasis, with mitochondrial dysfunction playing a central and early role in disease progression. This review explores the intricate relationship between mitochondrial function and neuronal health, emphasizing the pivotal role of the solute carrier family 25 (SLC25) transporters in maintaining mitochondrial homeostasis. We provide a comprehensive overview of mitochondrial biology in the central nervous system, including energy metabolism, calcium signaling, redox regulation, organelle interactions and mitochondrial dynamics. We delve into the SLC25 transporter family, highlighting their transport mechanisms, substrates and roles in brain metabolism and neuroprotection. SLC25 on one hand and proteins involved in the regulation of mitochondrial morphology and calcium signaling on the other hand are two sides of the same coin influencing each other. A critical analysis follows, examining how mitochondrial dysfunction contributes to mitochondrial abnormalities in a spectrum of neurodegenerative diseases, including Alzheimer's disease, Parkinson's disease, ALS and rare mitochondrial encephalopathies. Finally, we assess emerging therapeutic strategies targeting mitochondrial pathways and SLC25 function, including metabolic modulation, gene therapies, antioxidants and pharmacological agents. This review underscores mitochondria and the SLC25 transporters as promising targets for disease-modifying interventions in neurodegeneration and raises key questions about the causality between mitochondrial failure and neuronal death.

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