Cited by 171Neurogenesis and neuroplasticity mechanismsAxon Guidance and Neuronal SignalingDevelopmental Biology and Gene Regulation

Disruption of hippocampal development in vivo by CR-50 mAb against Reelin

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Nakajima, Kazunori, Mikoshiba, Katsuhiko, Miyata, Takaki, Kudo, Chikako, Ogawa, Masaharu·1997·Proceedings of the National Academy of Sciences

Abstract

We previously generated a monoclonal alloantibody, CR-50, by immunizing reeler mutant mice with homogenates of normal embryonic brains. This antibody recently was shown to recognize a Reelin protein, which is coded by the recently identified candidate gene for the reeler mutation. However, it is still unclear whether Reelin, especially the CR-50 epitope region, is indeed responsible for the reeler phenotype in vivo . Here we show that Reelin is localized on Cajal–Retzius neurons in the hippocampus and that intraventricular injection of CR-50 at the embryonic stage disrupts the organized development of the hippocampus in vivo , converting it to a reeler pattern. Labeling experiments with 5-bromodeoxyuridine demonstrated that the labeled cells in the stratum pyramidale of the CR-50-treated mice were distributed in a pattern similar to that of reeler . Thus, Cajal–Retzius neurons play a crucial function in hippocampus development, and the CR-50 epitope on Reelin plays a central role in this function.

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  1. [7]Caviness, V. S., Crandall, J. E. & Edwards, M. A. (1988) in Cerebral Cortex , eds. Peters, A. & Jones, E. G. (Plenum, New York), Vol. 7, pp. 59-89.
  2. [11]Marin-Padilla, M. (1984) in Cerebral Cortex , eds. Peters, A. & Jones, E. G. (Plenum, New York), Vol. 1, pp. 447-478.
  3. [23]Stanfield, B. B. & Cowan, W. M. (1988) in Cerebral Cortex , eds. Peters, A. & Jones, E. G. (Plenum, New York), Vol. 7, pp. 91-131.

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Authors
Nakajima, K., Mikoshiba, K., Miyata, T., Kudo, C., & Ogawa, M.
Affiliations
  • RIKEN (JP)
  • University of Kochi (JP)
Venue
Proceedings of the National Academy of Sciences
Published
1997-07-22
Volume
94
Issue
15
Pages
8196-8201
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2018445004
Cited by
171
References
41
Citations by year
2025: 4 · 2024: 1 · 2023: 3 · 2022: 4 · 2021: 3 · 2020: 3 · 2019: 4 · 2018: 2 · 2017: 2 · 2016: 8 · 2015: 6 · 2014: 3 · 2013: 2 · 2012: 8
FWCI
3.79
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
Keywords
reelin, hippocampal development, Cajal-Retzius neurons, antibody epitopes, intraventricular injection, embryonic brain, stratum pyramidale, BrdU labeling
MeSH terms
Reelin Protein, Animals, Antibodies, Monoclonal, Epitopes, Female, Hippocampus, Immunohistochemistry, Mice, Neurologic Mutants, Nerve Tissue Proteins, Phenotype, Pregnancy, Serine Endopeptidases, Cell Adhesion Molecules, Neuronal, Extracellular Matrix Proteins, Mice

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