MCPH1: a window into brain development and evolution

The development of the mammalian cerebral cortex involves a series of mechanisms: from patterning, progenitor cell proliferation and differentiation, to neuronal migration. Many factors influence the development of the cerebral cortex to its normal size and neuronal composition. Of these, the mechan...

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Main Authors: Jeannette eNardelli, Nathalie eJourniac, Yoko eArai, Jeremy ePulvers
Format: Article
Language:English
Published: Frontiers Media S.A. 2015-03-01
Series:Frontiers in Cellular Neuroscience
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fncel.2015.00092/full
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author Jeannette eNardelli
Nathalie eJourniac
Yoko eArai
Jeremy ePulvers
author_facet Jeannette eNardelli
Nathalie eJourniac
Yoko eArai
Jeremy ePulvers
author_sort Jeannette eNardelli
collection DOAJ
description The development of the mammalian cerebral cortex involves a series of mechanisms: from patterning, progenitor cell proliferation and differentiation, to neuronal migration. Many factors influence the development of the cerebral cortex to its normal size and neuronal composition. Of these, the mechanisms that influence the proliferation and differentiation of neural progenitor cells are of particular interest, as they may have the greatest consequence on brain size, not only during development but also in evolution. In this context, causative genes of human autosomal recessive primary microcephaly, such as ASPM and MCPH1, are attractive candidates, as many of them show positive selection during primate evolution. MCPH1 causes microcephaly in mice and humans and is involved in a diverse array of molecular functions beyond brain development, including DNA repair and chromosome condensation. Positive selection of MCPH1 in the primate lineage has led to much insight and discussion of its role in brain size evolution. In this review, we will present an overview of MCPH1 from these multiple angles, and whilst its specific role in brain size regulation during development and evolution remain elusive, the pieces of the puzzle will be discussed with the aim of putting together the full picture of this fascinating gene.
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spelling doaj.art-0ad31f43cb61403a9fe063661698473f2022-12-21T23:26:25ZengFrontiers Media S.A.Frontiers in Cellular Neuroscience1662-51022015-03-01910.3389/fncel.2015.00092131844MCPH1: a window into brain development and evolutionJeannette eNardelli0Nathalie eJourniac1Yoko eArai2Jeremy ePulvers3InsermInsermInsermUniversity of SydneyThe development of the mammalian cerebral cortex involves a series of mechanisms: from patterning, progenitor cell proliferation and differentiation, to neuronal migration. Many factors influence the development of the cerebral cortex to its normal size and neuronal composition. Of these, the mechanisms that influence the proliferation and differentiation of neural progenitor cells are of particular interest, as they may have the greatest consequence on brain size, not only during development but also in evolution. In this context, causative genes of human autosomal recessive primary microcephaly, such as ASPM and MCPH1, are attractive candidates, as many of them show positive selection during primate evolution. MCPH1 causes microcephaly in mice and humans and is involved in a diverse array of molecular functions beyond brain development, including DNA repair and chromosome condensation. Positive selection of MCPH1 in the primate lineage has led to much insight and discussion of its role in brain size evolution. In this review, we will present an overview of MCPH1 from these multiple angles, and whilst its specific role in brain size regulation during development and evolution remain elusive, the pieces of the puzzle will be discussed with the aim of putting together the full picture of this fascinating gene.http://journal.frontiersin.org/Journal/10.3389/fncel.2015.00092/fullhumanBrain Developmentbrain evolutionmouse modelsMCPHMCPH1
spellingShingle Jeannette eNardelli
Nathalie eJourniac
Yoko eArai
Jeremy ePulvers
MCPH1: a window into brain development and evolution
Frontiers in Cellular Neuroscience
human
Brain Development
brain evolution
mouse models
MCPH
MCPH1
title MCPH1: a window into brain development and evolution
title_full MCPH1: a window into brain development and evolution
title_fullStr MCPH1: a window into brain development and evolution
title_full_unstemmed MCPH1: a window into brain development and evolution
title_short MCPH1: a window into brain development and evolution
title_sort mcph1 a window into brain development and evolution
topic human
Brain Development
brain evolution
mouse models
MCPH
MCPH1
url http://journal.frontiersin.org/Journal/10.3389/fncel.2015.00092/full
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AT yokoearai mcph1awindowintobraindevelopmentandevolution
AT jeremyepulvers mcph1awindowintobraindevelopmentandevolution