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  Subtle left-right asymmetry of gene expression profiles in embryonic and foetal human brains

De Kovel, C. G. F., Lisgo, S. N., Fisher, S. E., & Francks, C. (2018). Subtle left-right asymmetry of gene expression profiles in embryonic and foetal human brains. Scientific Reports, 8: 12606. doi:10.1038/s41598-018-29496-2.

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Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
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 Creators:
De Kovel, Carolien G. F.1, Author           
Lisgo, Steven N.2, Author
Fisher, Simon E.1, Author           
Francks, Clyde1, 3, Author           
Affiliations:
1Language and Genetics Department, MPI for Psycholinguistics, Max Planck Society, ou_792549              
2Newcastle University, ou_persistent22              
3Imaging Genomics, MPI for Psycholinguistics, Max Planck Society, ou_2579692              

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 Abstract: Left-right laterality is an important aspect of human –and in fact all vertebrate– brain organization for which the genetic basis is poorly understood. Using RNA sequencing data we contrasted gene expression in left- and right-sided samples from several structures of the anterior central nervous systems of post mortem human embryos and foetuses. While few individual genes stood out as significantly lateralized, most structures showed evidence of laterality of their overall transcriptomic profiles. These left-right differences showed overlap with age-dependent changes in expression, indicating lateralized maturation rates, but not consistently in left-right orientation over all structures. Brain asymmetry may therefore originate in multiple locations, or if there is a single origin, it is earlier than 5 weeks post conception, with structure-specific lateralized processes already underway by this age. This pattern is broadly consistent with the weak correlations reported between various aspects of adult brain laterality, such as language dominance and handedness.

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Language(s): eng - English
 Dates: 2018-072018-09-04
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41598-018-29496-2
 Degree: -

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Title: Scientific Reports
  Abbreviation : Sci. Rep.
Source Genre: Journal
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Publ. Info: London, UK : Nature Publishing Group
Pages: - Volume / Issue: 8 Sequence Number: 12606 Start / End Page: - Identifier: ISSN: 2045-2322
CoNE: https://pure.mpg.de/cone/journals/resource/2045-2322