Nörolojik Hastalıklarda Astrositlerin Aktivitesi ve Heterojenliği: Moleküler Mekanizmalar ve Terapötik Hedefler.

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Astrocytes, the most prevalent glial cells in the central nervous system (CNS), play crucial roles in maintaining CNS homeostasis and responding to various pathological stimuli. They play key roles in neural development, neurotransmission, neuroinflammation, metabolic support, and tissue repair. Recent advancements in single-cell sequencing have revealed the remarkable heterogeneity of astrocytes, with distinct subpopulations differentially contributing to disease progression in neurological disorders, including Alzheimer's disease, Parkinson's disease, Huntington's disease, amyotrophic lateral sclerosis, ischemic stroke, intracerebral hemorrhage, and multiple sclerosis. In addition, they play an important role in various behavioral neuropsychiatric disorders. This review highlights the dual roles of astrocytes in disease progression, driven by their diverse molecular profiles and functions. It outlines the key molecular mechanisms underlying astrocyte heterogeneity and their impact on neuroinflammation, neuronal support, and ionic balance regulation. Additionally, the review discusses potential therapeutic strategies targeting astrocytes to modulate these processes, aiming to improve treatment outcomes in neurological diseases. By elucidating the specific roles of astrocyte subsets in disease, this review seeks to advance the development of precision medicine for astrocyte-related neurological disorders.

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