ArticleJournal of Alzheimer's disease : JAD2025
Brain region-specific dopamine receptor changes and astrocyte activation influence tau pathology through CDK5 in Alzheimer's disease models.
Article in Journal of Alzheimer's disease : JAD, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
BackgroundThe abnormal extracellular accumulation of amyloid-β (Aβ) plaques and intracellular tau inclusions are hallmarks of early events in the pathogenesis of Alzheimer's disease (AD). Although growing evidence implicates neurotransmitter dysregulation in AD-associated neurodegeneration, the influence of these pathological hallmarks on dopaminergic signaling remains poorly understood. This study reports changes in dopamine receptor (DR), Aβ, and astrocyte distribution in the cortex and hippocampus of 5XFAD mice.ObjectiveTo investigate how Aβ pathology alters dopamine receptor subtype expression in the AD brain and neuronal models, and whether this contributes to tau phosphorylation and CDK5 activation.MethodsWe examined DR1-DR5 expression and localization in the cortex and hippocampus of 5XFAD mice using immunohistochemistry, qPCR, and western blot. SH-SY5Y cells were differentiated with retinoic acid and treated with Aβ
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