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Cited by 238

The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.

Glutamate-like Immunoreactivity and Fate of Cajal-Retzius Cells in the Murine Cortex as Identified with Calretinin Antibody

del Río, José A., Martinez, Albert, Fonseca, Montserrat, Auladell, Carme, Soriano, Eduardo·1995·Cerebral Cortex

Abstract

Cortical layers VI to II develop between two layers of older neurons, the marginal and subplate zones, which are believed to have unique roles in cortical development. While subplate cells have been found essential for the establishment of thalamocortical relationships, the function of the marginal zone and in particular of the neurons of Cajal-Retzius has not been elucidated. Here we show that an antibody against the calcium-binding protein calretinin labels the population of Cajal-Retzius cells throughout their life in the murine cerebral cortex. In prenatal and early postnatal stages, Cajal-Retzius cells were found evenly distributed throughout the murine cerebral cortex. Cajal-Retzius-like neurons were also found in the developing hippocampus and dentate gyrus, which indicates that they may have a general function in cortical development. From P8 onward Cajal-Retzius cells disappeared from the neocortex and hippocampus, at the same time as degenerating immunoreactive neurons were observed. Calretinin-positive Cajal-Retzius cells were glutamate immunoreactive and their presumed axon terminals formed asymmetric synapses. These observations indicate that Cajal-Retzius cells may provide a tonic excitatory input, essential for the maturation of cortical neurons. Furthermore, since neuronal migration has been shown to be dependent on glutamate receptors, we propose that Cajal-Retzius cells releasing glutamate may direct migrating neuroblasts toward the marginal lamina, therefore creating the "inside-out" sequence of cortical development.

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Crossref · 10.1093/cercor/5.1.13

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Metadata

Authors
del Río, J. A., Martinez, A., Fonseca, M., Auladell, C., & Soriano, E.
Venue
Cerebral Cortex
Published
1995
Volume
5
Issue
1
Pages
13-21
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2054258344
Cited by
238
References
2
FWCI
4.39
Type
journal article
Language
en
Open access
closed

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