Cited by 404Memory and Neural MechanismsNeuroscience and Neuropharmacology ResearchNeurogenesis and neuroplasticity mechanisms

Genomic anatomy of the hippocampus

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Thompson, Carol L., Pathak, Sayan D., Jeromin, Andreas, Ng, Lydia L., MacPherson, Cameron R., Mortrud, Marty T., Cusick, Allison, Riley, Zackery L. +8 more·2008·Neuron

Abstract

Availability of genome-scale in situ hybridization data allows systematic analysis of genetic neuroanatomical architecture. Within the hippocampus, electrophysiology and lesion and imaging studies demonstrate functional heterogeneity along the septotemporal axis, although precise underlying circuitry and molecular substrates remain uncharacterized. Application of unbiased statistical component analyses to genome-scale hippocampal gene expression data revealed robust septotemporal molecular heterogeneity, leading to the identification of a large cohort of genes with robust regionalized hippocampal expression. Manual mapping of heterogeneous CA3 pyramidal neuron expression patterns demonstrates an unexpectedly complex molecular parcellation into a relatively coherent set of nine expression domains in the septal/temporal and proximal/distal axes with reciprocal, nonoverlapping boundaries. Unique combinatorial profiles of adhesion molecules within these domains suggest corresponding differential connectivity, which is demonstrated for CA3 projections to the lateral septum using retrograde labeling. This complex, discrete molecular architecture provides a novel paradigm for predicting functional differentiation across the full septotemporal extent of the hippocampus.

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Crossref · 10.1016/j.neuron.2008.12.008

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65 of 65 references verified0 citation errors · 0 not checkable

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  • Fmo1, a previously known CA3 proximal gene, is expressed in dorsal clusters #356 and #358 but not #357.

    “a previously known CA3 proximal gene, Fmo1 (Thompson et al., 2008), that is expressed in dorsal clusters #356 and #358, but not #357.”
  • The observed CA3 Pr-Di axis is consistent with previously defined CA3 subdomains that divide CA3 into diagonal bands oriented septal-distally to temporal-proximally.

    “This is consistent with the previously defined CA3 subdomains (Thompson et al., 2008), which divided CA3 into a series of diagonal bands oriented septal-distally (toward CA2) to temporal-proximally (toward DG).”

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Authors
Thompson, C. L., Pathak, S. D., Jeromin, A., Ng, L. L., MacPherson, C. R., Mortrud, M. T., Cusick, A., Riley, Z. L., Sunkin, S. M., Bernard, A., Puchalski, R. B., Gage, F. H., Jones, A. R., Bajic, V. B., Hawrylycz, M. J., & Lein, E. S.
Affiliations
  • Allen Institute for Brain Science (US)
  • University of the Western Cape (ZA)
  • Salk Institute for Biological Studies (US)
Corresponding author
Lein, Ed S.
Venue
Neuron
Publisher
Elsevier BV
Published
2008-12
Volume
60
Issue
6
Pages
1010-1021
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2088189569
Cited by
403
References
64
Citations by year
2026: 16 · 2025: 26 · 2024: 16 · 2023: 21 · 2022: 14 · 2021: 31 · 2020: 24 · 2019: 22 · 2018: 25 · 2017: 23 · 2016: 20 · 2015: 24 · 2014: 32 · 2013: 29 · 2012: 31
FWCI
8.47
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
hippocampus, septotemporal axis, CA3 pyramidal cells, gene expression domains, adhesion molecules, lateral septum, hippocampal connectivity, functional heterogeneity
MeSH terms
Animals, Animals, Newborn, Brain Mapping, Cholera Toxin, Hippocampus, Male, Mice, Inbred C57BL, Models, Biological, Nerve Tissue Proteins, Neural Pathways, Septum Pellucidum, Temporal Lobe, In Situ Hybridization, Gene Expression Regulation, Developmental, Neural Cell Adhesion Molecules, Imaging, Three-Dimensional, Genomics, Principal Component Analysis, Mice

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