Retinoic acid delineates the topography of neuronal plasticity in postnatal cerebral cortex

Elisabeth Wagner, Tuanlian Luo, Yasuo Sakai, Luis F. Parada, Ursula C. Dräger

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Retinoic acid is well recognized to promote neuronal differentiation in the embryonic nervous system, but how it influences the postnatal cerebral cortex remains largely unknown. The domain of highest retinoic acid actions in the cortex of the mouse constricts postnatally to a narrow band that includes the dorsal visual stream and the attentional and executive networks. This band of cortex, which is distinguished by the retinoic acid-synthesizing enzyme RALDH3, exhibits signs of delayed maturation and enhanced plasticity compared to the surrounding cortex, as indicated by suppression of parvalbumin, neurofilament, cytochrome oxidase and perineuronal net maturation, and persistence of the embryonic, polysialated form of the neural cell-adhesion molecule PSA-NCAM. During the first postnatal week, the RALDH3-expressing territory translocates in the caudal cortex from the medial limbic lobe to the adjacent neocortex. This topographical shift requires the neurotrophin NT-3 because in mice lacking neuronal NT-3 the RALDH3 enzyme maintains its early postnatal pattern up to adulthood. In the NT-3-null mutants, expression of the markers, whose topography colocalizes with RALDH3 in the normal cortex, matches the abnormal RALDH3 pattern. This indicates that the uneven retinoic acid distribution serves a role in patterning the maturation and to some extent function of the normal postnatal cerebral cortex.

Original languageEnglish (US)
Pages (from-to)329-340
Number of pages12
JournalEuropean Journal of Neuroscience
Volume24
Issue number2
DOIs
StatePublished - Jul 2006

Fingerprint

Neuronal Plasticity
Tretinoin
Cerebral Cortex
Neurotrophin 3
Neural Cell Adhesion Molecules
Parvalbumins
Intermediate Filaments
Neocortex
Electron Transport Complex IV
Enzymes
Nervous System

Keywords

  • Mouse
  • Neurotrophin 3
  • Parvalbumin
  • PSA-NCAM
  • RALDH3

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Retinoic acid delineates the topography of neuronal plasticity in postnatal cerebral cortex. / Wagner, Elisabeth; Luo, Tuanlian; Sakai, Yasuo; Parada, Luis F.; Dräger, Ursula C.

In: European Journal of Neuroscience, Vol. 24, No. 2, 07.2006, p. 329-340.

Research output: Contribution to journalArticle

Wagner, Elisabeth ; Luo, Tuanlian ; Sakai, Yasuo ; Parada, Luis F. ; Dräger, Ursula C. / Retinoic acid delineates the topography of neuronal plasticity in postnatal cerebral cortex. In: European Journal of Neuroscience. 2006 ; Vol. 24, No. 2. pp. 329-340.
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