GLP-1 reseptör agonistlerinin otofaji üzerindeki etkisi: Nörodejeneratif bozuklukları bu ajanlarla değerlendiren araştırmalardan toplanan içgörüler.

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ObjectiveImpaired autophagy has been implicated in the pathophysiology of neurodegenerative disorders, such as Alzheimer’s Disease (AD) and Parkinson’s Disease (PD). Consistent and replicated evidence indicate that Glucagon-like Peptide-1 Receptor Agonists (GLP-1RAs) exert treatment and preventative effects across disparate neurologic and mental disorders, potentially through mechanisms involving autophagy. This systematic review examined the effects of GLP-1RAs on autophagy in cell and animal models of AD and PD, as a proof of concept, to determine if these agents can be repurposed for the prevention and treatment of neurodegenerative and other mental disorders.MethodsA systematic search on PubMed, Web of Science, and OVID (Medline, Embase, and APA PsycInfo databases) was conducted from inception to June 17, 2025. Screening was performed independently by two reviewers (MCS and IH) using predefined inclusion and exclusion criteria. Subsequently, a quality assessment was conducted.ResultsThe search yielded 142 studies, of which 14 were included. Across studies, GLP-1RAs (e.g., liraglutide, semaglutide, and exendin-4) autophagy-specific markers, including beclin-1, LC3-II/LC3-I, ATG7, ATG3, and LAMP1, while normalising p62 levels.DiscussionIn addition to promoting neurogenesis, neuroplasticity, and reducing inflammation, GLP-1RAs appear to modulate molecular and cellular systems contributing to autophagy, potentially mediating their broad therapeutic effects. Collectively, these studies present promising findings of GLP-1RAs for neurodegenerative and mental disorders; however, further studies are required to establish their translatability to human populations.

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