Cited by 239Axon Guidance and Neuronal SignalingNeurogenesis and neuroplasticity mechanismsDevelopmental Biology and Gene Regulation

The reelin receptor ApoER2 recruits JNK-interacting proteins-1 and -2

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Stockinger, Walter, Brandes, Christian, Fasching, Daniela, Hermann, Marcela, Gotthardt, Michael, Herz, Joachim, Schneider, Wolfgang J., Nimpf, Johannes·2000·Journal of Biological Chemistry

Abstract

Correct positioning of neurons during embryonic development of the brain depends, among other processes, on the proper transmission of the reelin signal into the migrating cells via the interplay of its receptors with cytoplasmic signal transducers. Cellular components of this signaling pathway characterized to date are cell surface receptors for reelin like apolipoprotein E receptor 2 (ApoER2), very low density lipoprotein receptor (VLDLR), and cadherin-related neuronal receptors, and intracellular components like Disabled-1 and the nonreceptor tyrosine kinase Fyn, which bind to the intracellular domains of the ApoER2 and VLDL receptor or of cadherin-related neuronal receptors, respectively. Here we show that ApoER2, but not VLDLR, also binds the family of JNK-interacting proteins (JIPs), which act as molecular scaffolds for the JNK-signaling pathway. The ApoER2 binding domain on JIP-2 does not overlap with the binding sites for MLK3, MKK7, and JNK. These results suggest that ApoER2 is able to assemble a multiprotein complex containing Disabled-1 and JIPs, together with their binding partners, to the cell surface of neurons. This complex might participate in ApoER2-specific reelin signaling and thus would explain the different phenotype of mice lacking the ApoER2 from that of VLDLR-deficient mice.

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Crossref · 10.1074/jbc.m004119200

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Authors
Stockinger, W., Brandes, C., Fasching, D., Hermann, M., Gotthardt, M., Herz, J., Schneider, W. J., & Nimpf, J.
Affiliations
  • University of Vienna (AT)
  • The University of Texas Southwestern Medical Center (US)
Corresponding author
Nimpf, Johannes
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2000-08
Volume
275
Issue
33
Pages
25625-25632
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2022840078
Cited by
239
References
51
Citations by year
2025: 2 · 2024: 3 · 2023: 3 · 2022: 5 · 2020: 2 · 2019: 2 · 2018: 6 · 2017: 6 · 2016: 5 · 2015: 4 · 2014: 4 · 2013: 4 · 2012: 6
FWCI
11.86
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • MDC Repository (Max-Delbrueck-Center for Molecular Medicine) (submittedVersion)
Funders
National Heart, Lung, and Blood Institute (R37HL063762)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
Keywords
ApoER2, Reelin signaling, JNK signaling, VLDLR, Disabled-1, Fyn, neuronal migration, signal transduction, protein complex formation, Reelin receptors
MeSH terms
Reelin Protein, Amino Acid Sequence, Animals, Brain, Carrier Proteins, Cell Differentiation, Cells, Cultured, Cytoplasm, Epididymis, Glutathione Transferase, Humans, Immunohistochemistry, Male, Microscopy, Fluorescence, Models, Biological, Molecular Sequence Data, Nerve Tissue Proteins, Neurons, Proline, Protein Binding, Serine Endopeptidases, Stem Cells, Tissue Distribution, Blotting, Northern, Signal Transduction, Cell Adhesion Molecules, Neuronal, Extracellular Matrix Proteins, Sequence Homology, Amino Acid, Alternative Splicing, DNA, Complementary, Receptors, Lipoprotein, Reverse Transcriptase Polymerase Chain Reaction, Two-Hybrid System Techniques, LDL-Receptor Related Proteins, Adaptor Proteins, Signal Transducing, Mice

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