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Sökning: id:"swepub:oai:DiVA.org:uu-224347" > The role of differe...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00002945naa a2200421 4500
001oai:DiVA.org:uu-224347
003SwePub
008140509s2014 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-2243472 URI
024a https://doi.org/10.1038/ncb29262 DOI
040 a (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Bentley, Katie4 aut
2451 0a The role of differential VE-cadherin dynamics in cell rearrangement during angiogenesis
264 c 2014-03-23
264 1b Springer Science and Business Media LLC,c 2014
338 a print2 rdacarrier
520 a Endothelial cells show surprising cell rearrangement behaviour during angiogenic sprouting; however, the underlying mechanisms and functional importance remain unclear. By combining computational modelling with experimentation, we identify that Notch/VEGFR-regulated differential dynamics of VE-cadherin junctions drive functional endothelial cell rearrangements during sprouting. We propose that continual flux in Notch signalling levels in individual cells results in differential VE-cadherin turnover and junctional-cortex protrusions, which powers differential cell movement. In cultured endothelial cells, Notch signalling quantitatively reduced junctional VE-cadherin mobility. In simulations, only differential adhesion dynamics generated long-range position changes, required for tip cell competition and stalk cell intercalation. Simulation and quantitative image analysis on VE-cadherin junctional patterning in vivo identified that differential VE-cadherin mobility is lost under pathological high VEGF conditions, in retinopathy and tumour vessels. Our results provide a mechanistic concept for how cells rearrange during normal sprouting and how rearrangement switches to generate abnormal vessels in pathologies.
700a Franco, Claudio Areias4 aut
700a Philippides, Andrew4 aut
700a Blanco, Raquel4 aut
700a Dierkes, Martina4 aut
700a Gebala, Veronique4 aut
700a Stanchi, Fabio4 aut
700a Jones, Martin4 aut
700a Aspalter, Irene M.4 aut
700a Cagna, Guiseppe4 aut
700a Weström, Simoneu Uppsala universitet,Institutionen för immunologi, genetik och patologi4 aut0 (Swepub:uu)simku408
700a Claesson-Welsh, Lenau Uppsala universitet,Cancer och vaskulärbiologi4 aut0 (Swepub:uu)lcl04207
700a Vestweber, Dietmar4 aut
700a Gerhardt, Holger4 aut
710a Uppsala universitetb Institutionen för immunologi, genetik och patologi4 org
773t Nature Cell Biologyd : Springer Science and Business Media LLCg 16:4, s. 309-321q 16:4<309-321x 1465-7392x 1476-4679
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-224347
8564 8u https://doi.org/10.1038/ncb2926

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