Cited by 132Axon Guidance and Neuronal SignalingNeuroscience and Neuropharmacology ResearchNeurogenesis and neuroplasticity mechanisms

Axonal netrin-Gs transneuronally determine lamina-specific subdendritic segments

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Nishimura-Akiyoshi, Sachiko, Niimi, Kimie, Nakashiba, Toshiaki, Itohara, Shigeyoshi·2007·Proceedings of the National Academy of Sciences

Abstract

Axons from a distinct group of neurons make contact with dendritic trees of target neurons in clearly segregated and laminated patterns, thereby forming functional units for processing multiple inputs of information in the vertebrate central nervous system. Whether and how dendrites acquire lamina-specific properties corresponding to each pathway is not known. We show here that vertebrate-specific membrane-anchored members of the UNC-6/netrin family, netrin-G1 and -G2, organize the lamina/pathway-specific differentiation of dendrites. Netrin-G1 and -G2 distribute on axons of different pathways and specifically interact with receptors NGL-1 and -2, respectively. In the hippocampus, parietal cortex, and piriform cortex, NGL-1 is concentrated in the dendritic segments corresponding to the lamina-specific termination of netrin-G1-positive axons, and NGL-2 is concentrated in distinct dendritic segments corresponding to the termination of netrin-G2-positive axons. In netrin-G1- and -G2-deficient mice, in which axonal path-finding is normal, the segmental distribution of NGL-1 and -2 is selectively disrupted, and the individual receptors are diffused along the dendrites. These findings indicate that transneuronal interactions of netrin-Gs and their specific receptors provide a molecular basis for the axonal innervation-dependent mechanism of postsynaptic membrane organization, and provide insight into the formation of the laminar structure within the dendrites.

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Crossref · 10.1073/pnas.0706919104

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  • LII EC axons form excitatory synapses on granule cells in the molecular layer of dentate gyrus, then project onto the distal dendrites of CA3 neurons, and finally terminate in a U-shaped area near the distal dendrites of CA2.

    “LII EC axons form excitatory synapses on granule cells in the molecular layer of dentate gyrus (DG), then project onto the distal dendrites of CA3 neurons, and finally terminate in a U shaped-area near the distal dendrites of CA2 (Niimi et al., 2007; Nishimura-Akiyoshi et al., 2007; Tamamaki and Nojyo, 1995).”

    From Strong CA2 Pyramidal Neuron Synapses Define a Powerful Disynaptic Cortico-Hippocampal Loop (2010) · cites this paper as Nishimura-Akiyoshi et al., 2007

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  1. [2]Witter MP. Hippocampus. 1993;3:33–44. [PubMed] [Google Scholar]

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Authors
Nishimura-Akiyoshi, S., Niimi, K., Nakashiba, T., & Itohara, S.
Affiliations
  • RIKEN Center for Brain Science (JP)
  • Massachusetts Institute of Technology (US)
  • RIKEN (JP)
Venue
Proceedings of the National Academy of Sciences
Published
2007-09-11
Volume
104
Issue
37
Pages
14801-14806
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2090587506
Cited by
132
References
37
Citations by year
2026: 4 · 2025: 7 · 2024: 7 · 2023: 4 · 2022: 3 · 2021: 6 · 2020: 3 · 2019: 6 · 2018: 8 · 2017: 4 · 2016: 11 · 2015: 9 · 2014: 9 · 2013: 13 · 2012: 12
FWCI
2.39
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • RIKEN
  • RIKEN Brain Science Institute
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
axon guidance, hippocampus, piriform cortex, parietal cortex
MeSH terms
Netrins, Animals, Axons, Cell Line, Cerebral Cortex, Dendrites, Homozygote, Humans, Immunohistochemistry, Kidney, Mice, Mutant Strains, Models, Biological, Nerve Tissue Proteins, Protein Binding, In Situ Hybridization, Mice

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