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          Institute: MPI für molekulare Biomedizin     Collection: Jahrbuch 2017 (publ. 2016, arch)     Display Documents



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ID: 732144.0, MPI für molekulare Biomedizin / Jahrbuch 2017 (publ. 2016, arch)
Sema3d controls collective endothelial cell migration by distinct mechanisms via Nrp1 and PlxnD1
Authors:Hamm, M. J.; Kirchmaier, B. C.; Herzog, W.
Date of Publication (YYYY-MM-DD):2016-11-07
Title of Journal:J Cell Biol
Volume:215
Issue / Number:3
Start Page:415
End Page:430
Review Status:Internal review
Audience:Not Specified
Abstract / Description:During cardiovascular development, tight spatiotemporal regulation of molecular cues is essential for controlling endothelial cell (EC) migration. Secreted class III Semaphorins play an important role in guidance of neuronal cell migration and were lately linked to regulating cardiovascular development. Recently, SEMA3D gene disruptions were associated with cardiovascular defects in patients; however, the mechanisms of action were not revealed. Here we show for the first time that Sema3d regulates collective EC migration in zebrafish through two separate mechanisms. Mesenchymal Sema3d guides outgrowth of the common cardinal vein via repulsion and signals through PlexinD1. Additionally, within the same ECs, we identified a novel function of autocrine Sema3d signaling in regulating Actin network organization and EC morphology. We show that this new function requires Sema3d signaling through Neuropilin1, which then regulates Actin network organization through RhoA upstream of Rock, stabilizing the EC sheet. Our findings are highly relevant for understanding EC migration and the mechanisms of collective migration in other contexts.
External Publication Status:published
Document Type:Article
Communicated by:Jeanine Müller-Keuker
Affiliations:MPI für molekulare Biomedizin
External Affiliations:Max Planck Institute for Molecular Biomedicine, 48149 Muenster, Germany. Institute of Cell Biology and Neuroscience, University of Frankfurt, 60438 Frankfurt, Germany. Buchmann Institute for Molecular Life Sciences, University of Frankfurt, 60438 Frankfurt, Germany. Cells-in-Motion Cluster of Excellence, University of Muenster, 48149 Muenster, Germany wiebke.herzog@uni-muenster.de.
Identifiers:ISSN:1540-8140 (Electronic) 0021-9525 (Linking) %R 10.1... [ID No:1]
URL:https://www.ncbi.nlm.nih.gov/pubmed/27799363 [ID No:2]
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