Roles, Functions, and Pathological Implications of Exosomes in the Central Nervous System

Area of Science:

• Neuroscience
• Cell Biology
• Biochemistry

Background:

• Exosomes are extracellular vesicles crucial for intercellular communication in the central nervous system (CNS).
• They transport various molecules, influencing CNS development, homeostasis, and neurological disease progression.
• Exosomes can cross the blood-brain barrier, making them detectable in peripheral blood.

Purpose of the Study:

• To review the multifaceted roles of exosomes in the CNS.
• To highlight their potential as diagnostic biomarkers for neurological disorders.
• To explore their therapeutic applications, particularly those derived from mesenchymal stem cells.

Main Methods:

• Literature review of current research on exosomes in the CNS.
• Analysis of exosome function in physiological and pathological conditions.
• Evaluation of exosome-based diagnostic and therapeutic strategies.

Main Results:

• Exosomes mediate intercellular signaling in the CNS, impacting neuronal and glial cell function.
• They can either promote or inhibit the development of neurological diseases.
• Exosomes carry disease-specific molecules, serving as potential biomarkers in peripheral blood.
• Mesenchymal stem cell-derived exosomes demonstrate reparative potential for neurological conditions.

Conclusions:

• Exosomes are vital players in CNS intercellular communication and homeostasis.
• Their role in neurological disorders is complex, acting as both contributors and potential modulators.
• Exosomes represent a promising avenue for developing novel diagnostic biomarkers and therapeutic interventions for neurological diseases.