Journal Article

DZNE-2020-06389

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Optimization of interneuron function by direct coupling of cell migration and axonal targeting.

Lim, L. ; Pakan, J. M. P.DZNE* ; Selten, M. M. ; Marques-Smith, A. ; Llorca, A. ; Bae, S. E. ; Rochefort, N. L. ; Marín, O. (Corresponding author)

2018
Nature Publ. Group58142 London

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Please use a persistent id in citations: doi:10.1038/s41593-018-0162-9

Abstract: Neural circuit assembly relies on the precise synchronization of developmental processes, such as cell migration and axon targeting, but the cell-autonomous mechanisms coordinating these events remain largely unknown. Here we found that different classes of interneurons use distinct routes of migration to reach the embryonic cerebral cortex. Somatostatin-expressing interneurons that migrate through the marginal zone develop into Martinotti cells, one of the most distinctive classes of cortical interneurons. For these cells, migration through the marginal zone is linked to the development of their characteristic layer 1 axonal arborization. Altering the normal migratory route of Martinotti cells by conditional deletion of Mafb-a gene that is preferentially expressed by these cells-cell-autonomously disrupts axonal development and impairs the function of these cells in vivo. Our results suggest that migration and axon targeting programs are coupled to optimize the assembly of inhibitory circuits in the cerebral cortex.

Keyword(s): Animals (MeSH) ; Axons: physiology (MeSH) ; Cell Movement: physiology (MeSH) ; Cerebral Cortex: cytology (MeSH) ; Cerebral Cortex: physiology (MeSH) ; GABAergic Neurons: cytology (MeSH) ; GABAergic Neurons: physiology (MeSH) ; Interneurons: cytology (MeSH) ; Interneurons: physiology (MeSH) ; MafB Transcription Factor: genetics (MeSH) ; Mice, Knockout (MeSH) ; MafB Transcription Factor ; Mafb protein, mouse

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Contributing Institute(s):

1. U Preclinical Researchers T2 - Magdeburg (U Preclinical Researchers T2 - Magdeburg)

Research Program(s):

1. 342 - Disease Mechanisms and Model Systems (POF3-342) (POF3-342)

Appears in the scientific report 2018

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Database coverage:
; BIOSIS Previews ; BIOSIS Reviews Reports And Meetings ; Clarivate Analytics Master Journal List ; Current Contents - Life Sciences ; Ebsco Academic Search ; IF >= 30 ; JCR ; Nationallizenz ; SCOPUS ; Web of Science Core Collection

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