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SUPRACELL_COMMUN_CCT

Supracellular contractility dynamics and cell communication during collective chemotaxis.

Total Cost €

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EC-Contrib. €

0

Partnership

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 SUPRACELL_COMMUN_CCT project word cloud

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Project "SUPRACELL_COMMUN_CCT" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITY COLLEGE LONDON 

Organization address
address: GOWER STREET
city: LONDON
postcode: WC1E 6BT
website: n.a.

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Project website https://www.ucl.ac.uk/biosciences/departments/cdb/people/roberto-mayor/mayor-lab
 Total cost 183˙454 €
 EC max contribution 183˙454 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2015
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2016
 Duration (year-month-day) from 2016-10-01   to  2018-09-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITY COLLEGE LONDON UK (LONDON) coordinator 183˙454.00

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 Project objective

Collective chemotaxis (CCT) is a fundamental process for embryonic development and cancer metastasis, where groups of cells collectively migrate in response to a chemoattractive signal. While single cell migration depends on polarised actomyosin mechanotransduction and signalling cascades within the same cell, in CCT these functions are shared between different cells to achieve a coordinated, ‘‘supracellular’’ translocation. The molecular mechanisms underlying coordination and cell-cell communication during CCT have been largely overlooked. I propose to address this issue using the neural crest (NC), a highly invasive mesenchymal cell population that migrates throughout the embryo via CCT. NC migration shows extensive similarities with cancer invasion, making it a useful model for studying metastatic migration. Preliminary experiments show that an actomyosin ring-shaped cable, which surrounds the NC cluster, contributes to maintain a supracellular organisation. Also, during CCT, gap junctions appear to regulate synchronous actomyosin contractions in cells located at the cluster’s rear. Therefore, I will study this contractility dynamics in-vitro and in-vivo using Xenopus and zebrafish. I will manipulate the actomyosin cable to understand its contribution to efficient chemotaxis. Then, I will investigate how gap junctions enable synchronisation between neighbouring cells, by imaging the spread of calcium waves in NC clusters and manipulating other diffusible messengers. This study will give significant insights into the mechanisms regulating CCT, which is crucial for deepening our understanding of morphogenesis and cancer biology.

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