Mechanisms regulating the development of the corpus callosum and its agenesis in mouse and human

Linda J. Richards, C. Plachez, T. Ren

Research output: Contribution to journalReview articlepeer-review

176 Scopus citations

Abstract

The development of the corpus callosum depends on a large number of different cellular and molecular mechanisms. These include the formation of midline glial populations, and the expression of specific molecules required to guide callosal axons as they cross the midline. An additional mechanism used by callosal axons from neurons in the neocortex is to grow within the pathway formed by pioneering axons derived from neurons in the cingulate cortex. Data in humans and in mice suggest the possibility that different mechanisms may regulate the development of the corpus callosum across its rostrocaudal and dorsoventral axes. The complex developmental processes required for formation of the corpus callosum may provide some insight into why such a large number of human congenital syndromes are associated with agenesis of this structure.

Original languageEnglish
Pages (from-to)276-289
Number of pages14
JournalClinical Genetics
Volume66
Issue number4
DOIs
StatePublished - Oct 2004

Keywords

  • Axon guidance
  • Cingulate cortex
  • Commissure formation
  • Genetic regulation
  • Glia
  • Npn1
  • Robo
  • Slitz

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