Juvin, Laurent ORCID: 0000-0001-8847-1891, Gratsch, Swantje, Trillaud-Doppia, Emilie, Gariepy, Jean-Francois, Buschges, Ansgar and Dubuc, Rejean (2016). A Specific Population of Reticulospinal Neurons Controls the Termination of Locomotion. Cell Reports, 15 (11). S. 2377 - 2387. CAMBRIDGE: CELL PRESS. ISSN 2211-1247

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Abstract

Locomotion requires the proper sequencing of neural activity to start, maintain, and stop it. Recently, brainstem neurons were shown to specifically stop locomotion in mammals. However, the cellular properties of these neurons and their activity during locomotion are still unknown. Here, we took advantage of the lamprey model to characterize the activity of a cell population that we now show to be involved in stopping locomotion. We find that these neurons display a burst of spikes that coincides with the end of swimming activity. Their pharmacological activation ends ongoing swimming, whereas the inactivation of these neurons dramatically impairs the rapid termination of swimming. These neurons are henceforth referred to as stop cells, because they play a crucial role in the termination of locomotion. Our findings contribute to the fundamental understanding of motor control and provide important details about the cellular mechanisms involved in locomotor termination.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Juvin, LaurentUNSPECIFIEDorcid.org/0000-0001-8847-1891UNSPECIFIED
Gratsch, SwantjeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Trillaud-Doppia, EmilieUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gariepy, Jean-FrancoisUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Buschges, AnsgarUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dubuc, RejeanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-272261
DOI: 10.1016/j.celrep.2016.05.029
Journal or Publication Title: Cell Reports
Volume: 15
Number: 11
Page Range: S. 2377 - 2387
Date: 2016
Publisher: CELL PRESS
Place of Publication: CAMBRIDGE
ISSN: 2211-1247
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
HATCHLING FROG TADPOLES; BRAIN-STEM; READINESS DISCHARGE; INHIBITION; ACTIVATION; INITIATION; COMMAND; REGION; TRANSFORMATION; CIRCUITSMultiple languages
Cell BiologyMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/27226

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