ArticleProceedings of the National Academy of Sciences of the United States of America2023
Impairments in endogenous AMPA receptor dynamics correlates with learning deficits in Alzheimer's disease model mice.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 13 citations in OpenAlex.
- Tuning of AMPA receptor activation by inhibitory auxiliary subunits and epilepsy-associated disease mutations.Nature communications · 2026Article
- GluA1 C80 Peptide Impairs Short-Term Spatial Memory in Mice by Interfering with the 4.1N Binding Site.Neuroscience bulletin · 2026Article
- Modulation of Glutamate Release by Dexmedetomidine Preserves Dendritic Spines and Alleviates Cognitive Impairment in a Murine Model of Perioperative Neurocognitive Disorder.Neuroscience bulletin · 2026Article
- Activation of silent synapses driven by emerging technologies: mechanisms, disease associations, and prospects for clinical translation.Frontiers in synaptic neuroscience · 2026Review
- Hippocampal Synaptic Plasticity: Integrating Memory and Anxiety Impairments in the Early Stages of Alzheimer's Disease.Current topics in behavioral neurosciences · 2025Review
- Electroacupuncture Alleviates Memory Deficits in APP/PS1 Mice by Targeting Serotonergic Neurons in Dorsal Raphe Nucleus.Current medical science · 2024Article
- The Cheung Glutamatergic Regimen as a candidate for primary and secondary prevention of Alzheimer's disease onset.Journal of Alzheimer's disease reportsArticle
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Authors and funding
13 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
AMPA receptors (AMPARs) play a critical role in synaptic plasticity and learning and memory, and dysfunction or dysregulation of AMPARs could lead to various neurological and psychiatric disorders, such as Alzheimer's disease (AD). However, the dynamics and/or longitudinal changes of AMPARs in vivo during AD pathogenesis remain elusive. Here, employing 5xFAD SEP-GluA1 KI mice, we investigated endogenous AMPA receptor dynamics in a whisker deflection-associated Go/No-go learning paradigm. We found a significant increase in synaptosomal AMPA receptor subunits GluA1 in WT mice after learning, while no such changes were detected in 7-mo-old 5xFAD mice. Daily training led to an increase in endogenous spine surface GluA1 in Control mice, while this increase was absent in 5xFAD-KI mice which correlates with its learning defects in Go/No-go paradigm. Furthermore, we demonstrated that the onset of abnormal AMPAR dynamics corresponds temporally with microglia and astrocyte overactivation. Our results have shown that impairments in endogenous AMPA receptor dynamics play an important role in learning deficits in 5xFAD mice and AD pathogenesis.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.