Nörodejeneratif Hastalıklarda Glikosilasyonun Çözülmesi: Mekanistik İçgörüler ve Tedavi Olanakları.

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Glycosylation is a highly dynamic and complex post-translational modification that plays a pivotal role in regulating protein folding, trafficking, stability, and function. Accumulating evidence indicates that aberrant glycosylation is intimately involved in the pathogenesis of multiple neurodegenerative diseases, including Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), and amyotrophic lateral sclerosis (ALS). This review provides a comprehensive overview of the molecular mechanisms by which the two predominant forms of glycosylation, N-glycosylation and O-GlcNAcylation, contribute to protein misfolding, synaptic dysfunction, neuroinflammation, and impaired stress responses in the diseased nervous system. We further explore the diagnostic potential of glycosylation biomarkers and emerging therapeutic strategies targeting glycosylation pathways. Special emphasis has been placed on recent advances in glycomic technologies, artificial intelligence-driven analytics, and nanocarrier-based drug delivery platforms. By integrating mechanistic insights with translational applications, this review highlights glycosylation as both a pathological driver and a promising therapeutic target in neurodegenerative disorders.

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