Cited by 55Neuroscience and Neuropharmacology ResearchMemory and Neural MechanismsProtein Kinase Regulation and GTPase Signaling

Neuronal Functions of the Novel Serine/Threonine Kinase Ndr2

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Stork, Oliver, Zhdanov, Alexander, Kudersky, Alexei, Yoshikawa, Takeo, Obata, Kunihiko, Pape, Hans-Christian·2004·Journal of Biological Chemistry

Abstract

We have identified a novel member of the Ndr subfamily of serine/threonine protein kinases, Ndr2, as a gene product that is induced in the mouse amygdala during fear memory consolidation and examined a possible function of this kinase in neural differentiation. Expression of Ndr2 mRNA was detected in various cortical and subcortical brain regions, as well as non-neuronal tissues. Its expression in the amygdala was increased 6 h after Pavlovian fear conditioning training and returned to control levels within 24 h. To study intracellular localization and functions of Ndr2, EGFP::Ndr2 fusion proteins were expressed in rat pheochromocytoma (PC12) cells and acutely isolated cortical neurons, thereby revealing an association of Ndr2 with the actin cytoskeleton in somata, neurites and filopodia, in spines and at sites of cell contact. Co-precipitation and pull-down experiments support this finding. Evidence for an involvement of Ndr2 in actin-mediated cellular functions further comes from the observation of decreased cell spreading and changes in neurite outgrowth that were associated with protein serine phosphorylation in transfected PC12 cells. Together, our data suggest that Ndr2 is an interesting candidate gene for the regulation of structural processes in differentiating and mature neuronal cells.

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Crossref · 10.1074/jbc.m403552200

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Authors
Stork, O., Zhdanov, A., Kudersky, A., Yoshikawa, T., Obata, K., & Pape, H.-C.
Affiliations
  • Otto-von-Guericke-Universität Magdeburg (DE)
  • RIKEN Center for Brain Science (JP)
  • National Institute for Physiological Sciences (JP)
Corresponding author
Stork, Oliver
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2004-10
Volume
279
Issue
44
Pages
45773-45781
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2020004640
Cited by
55
References
28
Citations by year
2025: 4 · 2024: 1 · 2023: 3 · 2021: 3 · 2020: 1 · 2018: 5 · 2017: 2 · 2016: 2 · 2015: 4 · 2014: 1 · 2013: 3 · 2012: 2
FWCI
0.82
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
Keywords
NDR2, amygdala, fear memory consolidation, fear conditioning, neuronal differentiation, actin cytoskeleton, neurite outgrowth, cell spreading, cortical neurons, PC12 cells, filopodia
MeSH terms
Actins, Animals, Base Sequence, Brain Chemistry, Cell Division, Fear, Glycine, Male, Mice, Inbred C57BL, Molecular Sequence Data, Neurons, Transfection, Neurites, Protein Serine-Threonine Kinases, Rats, Long-Evans, Mice, Rats

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