Reelin and neuropsychiatric disorders

Research output: Contribution to journalReview article

38 Citations (Scopus)

Abstract

Proper neuronal migration and laminar formation during corticogenesis is essential for normal brain function. Disruption of these developmental processes is thought to be involved in the pathogenesis of some neuropsychiatric conditions. Especially, Reelin, a glycoprotein mainly secreted by the Cajal-Retzius cells and a subpopulation of GABAergic interneurons, has been shown to play a critical role, both during embryonic and postnatal periods. Indeed, animal studies have clearly revealed that Reelin is an essential molecule for proper migration of cortical neurons and finally regulates the cell positioning in the cortex during embryonic and early postnatal stages; by contrast, Reelin signaling is closely involved in synaptic function in adulthood. In humans, genetic studies have shown that the reelin gene (RELN) is associated with a number of psychiatric diseases, including Schizophrenia (SZ), bipolar disorder (BP) and autistic spectrum disorder. Indeed, Reln haploinsufficiency has been shown to cause cognitive impairment in rodents, suggesting the expression level of the Reelin protein is closely related to the higher brain functions. However, the molecular abnormalities in the Reelin pathway involved in the pathogenesis of psychiatric disorders are not yet fully understood. In this article, we review the current progress in the understanding of the Reelin functions that could be related to the pathogenesis of psychiatric disorders. Furthermore, we discuss the basis for selecting Reelin and molecules in its downstream signaling pathway as potential therapeutic targets for psychiatric illnesses.

Original languageEnglish
Article number229
JournalFrontiers in Cellular Neuroscience
Volume10
Issue numberOCT2016
DOIs
Publication statusPublished - 2016 Oct 18

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Psychiatry
Haploinsufficiency
Medical Genetics
Brain
Interneurons
Autistic Disorder
Bipolar Disorder
Rodentia
Schizophrenia
Glycoproteins
Neurons
Genes
Therapeutics

Keywords

  • Animal model
  • Psychiatric disorder
  • Reeler
  • Reelin
  • Schizophrenia

ASJC Scopus subject areas

  • Cellular and Molecular Neuroscience

Cite this

Reelin and neuropsychiatric disorders. / Ishii, Kazuhiro; Kubo, Kenichiro; Nakajima, Kazunori.

In: Frontiers in Cellular Neuroscience, Vol. 10, No. OCT2016, 229, 18.10.2016.

Research output: Contribution to journalReview article

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