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Drug Development.
Alzheimers Dement
December 2024
Department of Bioengineering, University of California, Los Angeles, CA, USA, Los Angeles, CA, USA.
Background: The initiation of amyloid plaque deposition signifies a crucial stage in Alzheimer's disease (AD) progression, which often coincides with the disruption of neural circuits and cognitive decline. While the role of excitatory-inhibitory balance is increasingly recognized in AD pathophysiology, targeted therapies to modulate this balance remain underexplored. This study investigates the effect of perampanel, a selective non-competitive AMPA receptor antagonist, in modulating neurophysiological changes in hAPP-J20 transgenic Alzheimer's mice.
View Article and Find Full Text PDFBackground: Alzheimer's disease (AD) is the most prevalent cause of dementia accounting for an estimated 60% to 80% of cases. Despite advances in the research field, developing truly effective therapies for AD symptoms remains a major challenge. Sweet almond contain nutrients that have the potential of combating age-related brain dysfunction, by improving learning, memory and neurocognitive performance.
View Article and Find Full Text PDFBackground: Progranulin (GRN) plays a critical role in familial frontotemporal dementia (fFTD), where GRN haploinsufficiency leads to reduction in PGRN levels in the brain, resulting in degeneration of neurons in the frontal lobe of brain responsible for personality, language, and behavior. FTD is the most common dementia in people under 60. Sortilin (Sort1), expressed by neurons, endocytoses, and delivers PGRN rapidly to lysosomes for degradation.
View Article and Find Full Text PDFDrug Development.
Alzheimers Dement
December 2024
Indiana University School of Medicine, Indianapolis, IN, USA.
Background: Lyn kinase, a member of the Src family of tyrosine kinases, predominantly phosphorylates ITIM and ITAM motifs linked to immune receptors and adaptor proteins, and is emerging as a target for Alzheimer's disease (AD). The role of Lyn in TREM2-mediated microglial activation and phagocytosis, a critical pathway for clearing Aβ plaques, remains unclear and potent, selective, and brain penetrant Lyn inhibitors are unavailable. In this study, we report the characterization of Lyn kinase inhibitors from the literature as well as the establishment of an advanced virtual screening platform at the IUSM-Purdue-TREAT-AD center to identify new type II Lyn inhibitors suitable as molecular probes.
View Article and Find Full Text PDFBackground: Alzheimer's disease (AD) is the most common cause of age-related dementia, and the presence of amyloid-β (Aβ) plaques and tau-containing neurofibrillary tangles is associated with the neurodegeneration and cognitive impairment in this incurable disease. Growing evidence shows that epigenetic dysregulation through histone deacetylases (HDACs) plays a critical role in synaptic dysfunction and memory loss in AD, and HDACs have been highlighted as a novel class of anti-Alzheimer targets. Moreover, restoring Wnt/β-catenin signaling, which is greatly suppressed in AD brains, is a promising therapeutic strategy for AD.
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