Mitochondrial transplantation in brain disorders: Achievements, methods, and challenges

Area of Science:

• Cellular and Molecular Biology
• Neuroscience
• Regenerative Medicine

Background:

• Mitochondrial dysfunction is a key factor in neurological disorders, leading to energy deficits and neuronal death.
• Current treatments for neurological conditions are limited, highlighting the need for innovative therapeutic strategies.
• Mitochondrial transplantation introduces healthy mitochondria to repair cellular damage and restore function.

Purpose of the Study:

• To provide a comprehensive review of mitochondrial transplantation as a therapeutic strategy for brain disorders.
• To summarize preclinical findings demonstrating the efficacy of mitochondrial transplantation in animal models.
• To identify and discuss the challenges hindering the clinical application of this novel therapy.

Main Methods:

• Review of preclinical studies on mitochondrial transplantation in various neurological disorder models.
• Analysis of advancements in mitochondria isolation, preservation, sourcing, and delivery.
• Assessment of the current state and future directions of mitochondrial transplantation research.

Main Results:

• Preclinical studies show mitochondrial transplantation restores mitochondrial function, reduces inflammation, and improves outcomes in animal models.
• The therapy demonstrates potential in models of traumatic brain injury/ischemia, neurodegenerative diseases, and cognitive disorders.
• Significant challenges remain, including optimizing techniques and ensuring safe and effective clinical translation.

Conclusions:

• Mitochondrial transplantation is a promising therapeutic avenue for neurological disorders characterized by mitochondrial dysfunction.
• Overcoming technical and logistical hurdles is crucial for advancing this therapy towards clinical application.
• Further research is essential to fully realize the potential of mitochondrial transplantation for treating brain disorders.