RGD Reference Report - Activity-dependent neuroprotective protein snippet NAP reduces tau hyperphosphorylation and enhances learning in a novel transgenic mouse model. - Rat Genome Database

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Activity-dependent neuroprotective protein snippet NAP reduces tau hyperphosphorylation and enhances learning in a novel transgenic mouse model.

Authors: Vulih-Shultzman, I  Pinhasov, A  Mandel, S  Grigoriadis, N  Touloumi, O  Pittel, Z  Gozes, I 
Citation: Vulih-Shultzman I, etal., J Pharmacol Exp Ther. 2007 Nov;323(2):438-49. Epub 2007 Aug 24.
RGD ID: 2312792
Pubmed: PMID:17720885   (View Abstract at PubMed)
DOI: DOI:10.1124/jpet.107.129551   (Journal Full-text)

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.

RGD Manual Disease Annotations    Click to see Annotation Detail View
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
Alzheimer's disease  ISOAdnp (Mus musculus)2312792; 2312792 RGD 
Alzheimer's disease  IMP 2312792 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Adnp  (activity-dependent neuroprotector homeobox)

Genes (Mus musculus)
Adnp  (activity-dependent neuroprotective protein)

Genes (Homo sapiens)
ADNP  (activity dependent neuroprotector homeobox)


Additional Information