Memory enhancing effects of BPN14770, an allosteric inhibitor of phosphodiesterase-4D, in wild-type and humanized mice

Inhibitors of phosphodiesterase-4 (PDE4) have beneficial effects on memory in preclinical and clinical studies. Development of these drugs has stalled due to dose-limiting side effects of nausea and emesis. While use of subtype-selective inhibitors (i.e., for PDE4A, B, or D) could overcome this issu...

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Veröffentlicht in:Neuropsychopharmacology (New York, N.Y.) N.Y.), 2018-10, Vol.43 (11), p.2299-2309
Hauptverfasser: Zhang, Chong, Xu, Ying, Chowdhary, Anirudh, Fox, 3rd, David, Gurney, Mark E, Zhang, Han-Ting, Auerbach, Benjamin D, Salvi, Richard J, Yang, Mingxin, Li, Gaowen, O'Donnell, James M
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container_issue 11
container_start_page 2299
container_title Neuropsychopharmacology (New York, N.Y.)
container_volume 43
creator Zhang, Chong
Xu, Ying
Chowdhary, Anirudh
Fox, 3rd, David
Gurney, Mark E
Zhang, Han-Ting
Auerbach, Benjamin D
Salvi, Richard J
Yang, Mingxin
Li, Gaowen
O'Donnell, James M
description Inhibitors of phosphodiesterase-4 (PDE4) have beneficial effects on memory in preclinical and clinical studies. Development of these drugs has stalled due to dose-limiting side effects of nausea and emesis. While use of subtype-selective inhibitors (i.e., for PDE4A, B, or D) could overcome this issue, conservation of the catalytic region, to which classical inhibitors bind, limits this approach. The present study examined the effects of BPN14770, an allosteric inhibitor of PDE4D, which binds to a primate-specific, N-terminal region. In mice engineered to express PDE4D with this primate-specific sequence, BPN14770 was 100-fold more potent for improving memory than in wild-type mice; meanwhile, it exhibited low potency in a mouse surrogate model for emesis. BPN14770 also antagonized the amnesic effects of scopolamine, increased cAMP signaling in brain, and increased BDNF and markers of neuronal plasticity associated with memory. These data establish a relationship between PDE4D target engagement and effects on memory for BPN14770 and suggest clinical potential for PDE4D-selective inhibitors.
doi_str_mv 10.1038/s41386-018-0178-6
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BPN14770 also antagonized the amnesic effects of scopolamine, increased cAMP signaling in brain, and increased BDNF and markers of neuronal plasticity associated with memory. 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subjects Allosteric properties
Allosteric Regulation - drug effects
Allosteric Regulation - physiology
Animal cognition
Animals
Brain
Brain-derived neurotrophic factor
Crystallography, X-Ray
Cyclic Nucleotide Phosphodiesterases, Type 4 - metabolism
Dose-Response Relationship, Drug
Drug development
Enzymes
Gene expression
Humans
Inhibitors
Insects
Kinases
Laboratory animals
Maze Learning - drug effects
Maze Learning - physiology
Memory
Memory - drug effects
Memory - physiology
Mice
Mice, Inbred C57BL
Mice, Transgenic
Monkeys & apes
Mutation
Nausea
Neuroplasticity
Pharmaceutical sciences
Phosphodiesterase
Phosphodiesterase 4 Inhibitors - chemistry
Phosphodiesterase 4 Inhibitors - metabolism
Phosphodiesterase 4 Inhibitors - pharmacology
Phosphorylation
Protein Binding - physiology
Proteins
Scopolamine
Side effects
Stem cells
Vomiting
title Memory enhancing effects of BPN14770, an allosteric inhibitor of phosphodiesterase-4D, in wild-type and humanized mice
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