Cited by 219Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Activity-Dependent Neuroprotective Protein Snippet NAP Reduces Tau Hyperphosphorylation and Enhances Learning in a Novel Transgenic Mouse Model

Vulih-Shultzman, Inna, Pinhasov, Albert, Mandel, Shmuel, Grigoriadis, Nikolaos, Touloumi, Olga, Pittel, Zipora, Gozes, Illana·2007·The Journal of Pharmacology and Experimental Therapeutics

Abstract

Activity-dependent neuroprotective protein (ADNP) differentially interacts with chromatin to regulate essential genes. Because complete ADNP deficiency is embryonic lethal, the outcome of partial ADNP deficiency was examined. ADNP(+/-) mice exhibited cognitive deficits, significant increases in phosphorylated tau, tangle-like structures, and neurodegeneration compared with ADNP(+/+) mice. Increased tau hyperphosphorylation is known to cause memory impairments in neurodegenerative diseases associated with tauopathies, including the most prevalent Alzheimer's disease. The current results suggest that ADNP is an essential protein for brain function and plays a role in normal cognitive performance. ADNP-deficient mice offer an ideal paradigm for evaluation of cognitive enhancers. NAP (NAPVSIPQ) is a peptide derived from ADNP that interacts with microtubules and provides potent neuroprotection. NAP treatment partially ameliorated cognitive deficits and reduced tau hyperphosphorylation in the ADNP(+/-) mice. NAP is currently in phase II clinical trials assessing effects on mild cognitive impairment.

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Crossref · 10.1124/jpet.107.129551

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  • ADNP+/- mice show tauopathy, neuronal cell death and abnormalities in social behaviour and cognitive functioning.

    “while ADNP+/- mice show tauopathy, neuronal cell death and abnormalities in social behaviour and cognitive functioning18,34.”
  • Among genes reported as differentially expressed in Adnp-/- and Adnp+/- mice, only PLAGL2 was differentially regulated in the patients.

    “Of the other genes reported as differentially expressed in Adnp-/-23 and Adnp+/-18 mice (down: CCNC, TMPO, PLAGL2; up: ABCF3), only PLAGL2 was found to be differentially regulated in our patients (Supplementary Fig. 3e).”

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Authors
Vulih-Shultzman, I., Pinhasov, A., Mandel, S., Grigoriadis, N., Touloumi, O., Pittel, Z., & Gozes, I.
Venue
The Journal of Pharmacology and Experimental Therapeutics
Publisher
Elsevier BV
Published
2007-11
Volume
323
Issue
2
Pages
438-449
ISSN
0022-3565 (ISSN-L)
OpenAlex
W2136172091
Cited by
219
References
40
Citations by year
2026: 10 · 2025: 12 · 2024: 12 · 2023: 9 · 2022: 14 · 2021: 9 · 2020: 19 · 2019: 18 · 2018: 7 · 2017: 11 · 2016: 15 · 2015: 13 · 2014: 14 · 2013: 11 · 2012: 13
FWCI
5.79
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Pharmacology and Experimental Therapeutics (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › 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
ADNP, NAP peptide, tau hyperphosphorylation, cognitive impairment, learning, neurodegeneration, tauopathy, Alzheimer's disease, mild cognitive impairment, neuroprotection, microtubule binding
MeSH terms
Animals, Astrocytes, Cognition Disorders, Female, Learning, Male, Mice, Inbred ICR, Mice, Transgenic, Nerve Tissue Proteins, Oligopeptides, Phosphorylation, tau Proteins, Homeodomain Proteins, Mice

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