Journal
BRAIN RESEARCH REVIEWS
Volume 47, Issue 1-3, Pages 216-226Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.brainresrev.2004.06.009
Keywords
gap junction; neocortex; development
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Several independent lines of evidence indicate that gap junctional coupling is widespread and functionally important in early cortical development. The extensive expression of many connexins, the clusters of coupled neuroblasts or neurons revealed by tracer injections or the functional coactivation of neurons shown by calcium imaging can be seen as pieces of the same puzzle. At the same time, there is a lack of electrophysiological experiments at early developmental stages that directly demonstrate coupling between pairs of cells. The function of this gap junctional coupling is still mysterious, though it may be involved in controlling neurogenesis, differentiation or the formation of columnar microcircuits. (C) 2004 Elsevier B.V. All rights reserved.
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