2017
DOI: 10.1242/dev.145672
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Blood vessel anastomosis is spatially regulated by Flt1 during angiogenesis

Abstract: Blood vessel formation is essential for vertebrate development and is primarily achieved by angiogenesis -endothelial cell sprouting from pre-existing vessels. Vessel networks expand when sprouts form new connections, a process whose regulation is poorly understood. Here, we show that vessel anastomosis is spatially regulated by Flt1 (VEGFR1), a VEGFA receptor that acts as a decoy receptor. In vivo, expanding vessel networks favor interactions with Flt1 mutant mouse endothelial cells. Live imaging in human end… Show more

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Cited by 49 publications
(52 citation statements)
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“…Anastomosis has been included in several 2D and 3D models (Zheng et al, 2013 ; Norton and Popel, 2016 ). ECs with a reduced concentration of membrane-localized VEGFR1 are more likely to form stable connections with incoming sprouts (Nesmith et al, 2017 ). A multicellular model that integrates VEGFR1 regulation, and how it affects anastomosis, may help explain micro–vascular architecture.…”
Section: Discussionmentioning
confidence: 99%
“…Anastomosis has been included in several 2D and 3D models (Zheng et al, 2013 ; Norton and Popel, 2016 ). ECs with a reduced concentration of membrane-localized VEGFR1 are more likely to form stable connections with incoming sprouts (Nesmith et al, 2017 ). A multicellular model that integrates VEGFR1 regulation, and how it affects anastomosis, may help explain micro–vascular architecture.…”
Section: Discussionmentioning
confidence: 99%
“…Blood vessel formation is primarily achieved by angiogenesis-EC sprouting from pre-existing vessels. Vessel networks expand when sprouts form new connections, and vessel anastomosis is spatially regulated by VEGFR1 (Flt1), a VEGF-A receptor that acts as a decoy receptor [73]. VEGFR1 modulates the activity of VEGFR2, which is the chief pathway in vasculogenesis and angiogenesis.…”
Section: Vwfmentioning
confidence: 99%
“…The formation of blood vessels is mainly due to angiogenesis, that is, the sprouting of ECs from existing vessels. The vascular network expands when sprouts form new connections, and vascular anastomoses are spatially regulated by VEGFR1 (Flt1), which acts as a trap receptor [72]. VEGFR1 modulates the activity of VEGFR2, the main regulator of vasculogenesis and angiogenesis.…”
Section: Vwfmentioning
confidence: 99%