Cited by 149Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

The DOI matches its Crossref record; 38 of the 40 references it cites were found in a registry or an index.

Acute inhibition of calcineurin restores associative learning and memory in Tg2576 APP transgenic mice

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Dineley, Kelly T., Hogan, Dale, Zhang, Wen-Ru, Taglialatela, Giulio·2007·Neurobiology of Learning and Memory

Abstract

Misfolded amyloid beta peptide (Abeta) is a pathological hallmark of Alzheimer's disease (AD), a neurodegenerative illness characterized by cognitive deficits and neuronal loss. Transgenic mouse models of Abeta over-production indicate that Abeta-induced cognitive deficits occur in the absence of overt neuronal death, suggesting that while extensive neuronal death may be associated with later stages of the human disease, subtle physiological changes may underlie initial cognitive deficits. Therefore, identifying signaling elements involved in those Abeta-induced cognitive impairments that occur prior to loss of neurons may reveal new potential pharmacological targets. Here, we report that the enzymatic activity of calcineurin, a key protein phosphatase involved in phosphorylation-dependent kinase activity crucial for synaptic plasticity and memory function, is upregulated in the CNS of the Tg2576 animal model for Abeta over-production. Furthermore, acute treatment of Tg2576 mice with the calcineurin inhibitor FK506 (10mg/kg i.p.) improves memory function. These results indicate that calcineurin may mediate some of the cognitive effects of excess Abeta such that inhibition of calcineurin shall be further explored as a potential treatment to reverse cognitive impairments in AD.

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  1. Cleary, 2005, Natural oligomers of the amyloid-beta protein specifically disrupt cognitive function, Nature Neuroscience, 8, 79, 10.1038/nn1372 · DOI

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Metadata

Authors
Dineley, K. T., Hogan, D., Zhang, W.-R., & Taglialatela, G.
Affiliations
The University of Texas Medical Branch at Galveston (US)
Corresponding author
Taglialatela, Giulio
Venue
Neurobiology of Learning and Memory
Publisher
Elsevier BV
Published
2007-09
Volume
88
Issue
2
Pages
217-224
ISSN
1074-7427 (ISSN-L)
OpenAlex
W2067155622
Cited by
149
References
40
Citations by year
2026: 1 · 2025: 6 · 2024: 9 · 2023: 11 · 2022: 4 · 2021: 8 · 2020: 2 · 2019: 4 · 2018: 3 · 2017: 9 · 2016: 9 · 2015: 8 · 2014: 12 · 2013: 10 · 2012: 6
FWCI
8.05
Type
journal article
Language
en
Open access
Locations
  • Neurobiology of Learning and Memory (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute of Neurological Disorders and Stroke (R21NS053986)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
calcineurin, amyloid-beta, Alzheimer's disease, Tg2576 mice, FK506, calcineurin inhibition, associative learning, memory impairment, protein phosphatase, synaptic plasticity, cognitive impairment
MeSH terms
Animals, Association Learning, Cognition, Conditioning, Psychological, Immunosuppressive Agents, Memory, Mice, Transgenic, Neurons, Amyloid beta-Peptides, Tacrolimus, Cell Death, Mice, Calcineurin Inhibitors

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