ArticleFrontiers in cell and developmental biology2020
Postnatal Developmental Expression Profile Classifies the Indusium Griseum as a Distinct Subfield of the Hippocampal Formation.
Article in Frontiers in cell and developmental biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 12 citations in OpenAlex.
- Noncanonical circuits, states, and computations of the hippocampus.Science (New York, N.Y.) · 2025Review
- Fasciola cinereum: a novel choke point for epilepsy treatment.Acta epileptologica · 2025Article
- Fetal indusium griseum is a possible biomarker of the regularity of brain midline development in 3T MR imaging: A retrospective observational study.Acta obstetricia et gynecologica Scandinavica · 2024Observational
- Immunohistochemical field parcellation of the human hippocampus along its antero-posterior axis.Brain structure & function · 2024Article
- NECAB1-3, parvalbumin, calbindin, and calretinin in the hippocampus of the European mole.Frontiers in neuroanatomy · 2024Article
- Article
- Neuronal progenitors of the dentate gyrus express the SARS-CoV-2 cell receptor during migration in the developing human hippocampus.Cellular and molecular life sciences : CMLS · 2023Article
- Further refining the boundaries of the hippocampus CA2 with gene expression and connectivity: Potential subregions and heterogeneous cell types.Hippocampus · 2023Article
- Neuronal nitric oxyde synthase positive neurons in human indusium griseum.Brain structure & function · 2022Article
Corrections and comments
- Erratum issued
Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The indusium griseum (IG) is a cortical structure overlying the corpus callosum along its anterior-posterior extent. It has been classified either as a vestige of the hippocampus or as an extension of the dentate gyrus via the fasciola cinerea, but its attribution to a specific hippocampal subregion is still under debate. To specify the identity of IG neurons more precisely, we investigated the spatiotemporal expression of calbindin, secretagogin, Necab2, PCP4, and Prox1 in the postnatal mouse IG, fasciola cinerea, and hippocampus. We identified the calcium-binding protein Necab2 as a first reliable marker for the IG and fasciola cinerea throughout postnatal development into adulthood. In contrast, calbindin, secretagogin, and PCP4 were expressed each with a different individual time course during maturation, and at no time point, IG or fasciola cinerea principal neurons expressed Prox1, a transcription factor known to define dentate granule cell fate. Concordantly, in a transgenic mouse line expressing enhanced green fluorescent protein (eGFP) in dentate granule cells, neurons of IG and fasciola cinerea were eGFP-negative. Our findings preclude that IG neurons represent dentate granule cells, as earlier hypothesized, and strongly support the view that the IG is an own hippocampal subfield composed of a distinct neuronal population.
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