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Peptides. 2011 Feb;32(2):428-31. doi: 10.1016/j.peptides.2010.10.030. Epub 2010 Nov 2.

Microtubules, schizophrenia and cognitive behavior: preclinical development of davunetide (NAP) as a peptide-drug candidate.

Author information

1
Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel. igozes@post.tau.ac.il

Abstract

NAP (davunetide) is an active fragment of activity-dependent neuroprotective protein (ADNP). ADNP and the homologous protein ADNP2 provide cell protection. ADNP is essential for brain formation, proper development and neuronal plasticity, all reported to be impaired in schizophrenia. ADNP haploinsufficiecy inhibits social and cognitive functions, major hallmarks in schizophrenia. Imbalance in ADNP/ADNP2 expression in the schizophrenia brain may impact disease progression. NAP treatment partly ameliorates ADNP haploinsufficiecy. The microtubule, stable tubule-only polypeptide (STOP)-deficient mice were shown to provide a reliable model for schizophrenia. Daily intranasal NAP treatment significantly decreased hyperactivity in STOP-deficient mice and protected visual memory, supporting further clinical development.

PMID:
21050875
DOI:
10.1016/j.peptides.2010.10.030
[Indexed for MEDLINE]

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