Cited by 2,894Angiogenesis and VEGF in CancerAxon Guidance and Neuronal SignalingLymphatic System and Diseases

VEGF guides angiogenic sprouting utilizing endothelial tip cell filopodia

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Gerhardt, Holger, Golding, Matthew, Fruttiger, Marcus, Ruhrberg, Christiana, Lundkvist, Andrea, Abramsson, Alexandra, Jeltsch, Michael, Mitchell, Christopher +3 more·2003·The Journal of Cell Biology

Abstract

Vascular endothelial growth factor (VEGF-A) is a major regulator of blood vessel formation and function. It controls several processes in endothelial cells, such as proliferation, survival, and migration, but it is not known how these are coordinately regulated to result in more complex morphogenetic events, such as tubular sprouting, fusion, and network formation. We show here that VEGF-A controls angiogenic sprouting in the early postnatal retina by guiding filopodial extension from specialized endothelial cells situated at the tips of the vascular sprouts. The tip cells respond to VEGF-A only by guided migration; the proliferative response to VEGF-A occurs in the sprout stalks. These two cellular responses are both mediated by agonistic activity of VEGF-A on VEGF receptor 2. Whereas tip cell migration depends on a gradient of VEGF-A, proliferation is regulated by its concentration. Thus, vessel patterning during retinal angiogenesis depends on the balance between two different qualities of the extracellular VEGF-A distribution, which regulate distinct cellular responses in defined populations of endothelial cells.

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Authors
Gerhardt, H., Golding, M., Fruttiger, M., Ruhrberg, C., Lundkvist, A., Abramsson, A., Jeltsch, M., Mitchell, C., Alitalo, K., Shima, D., & Betsholtz, C.
Affiliations
  • University of Gothenburg (SE)
  • 2Endothelial Cell Biology Laboratory, Imperial Cancer Research Fund, London WC2A 3PX, UK
  • University College London (GB)
  • Ludwig Cancer Research (BE)
  • University of Nottingham (GB)
Corresponding author
Betsholtz, Christer
Venue
The Journal of Cell Biology
Published
2003-06-16
Volume
161
Issue
6
Pages
1163-1177
ISSN
  • 0021-9525 (ISSN-L)
  • 1540-8140
OpenAlex
W2112251383
Cited by
2,894
References
45
Citations by year
2026: 76 · 2025: 91 · 2024: 145 · 2023: 111 · 2022: 147 · 2021: 154 · 2020: 168 · 2019: 172 · 2018: 134 · 2017: 148 · 2016: 142 · 2015: 161 · 2014: 146 · 2013: 145 · 2012: 171
FWCI
19.00
Type
journal article
Language
en
Open access
Locations
  • The Journal of Cell Biology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
  • MDC Repository (Max-Delbrueck-Center for Molecular Medicine) (submittedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
  • Swedish Cancer Foundation
  • Novo Nordisk
  • Novo Nordisk Fonden
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Angiogenesis and VEGF in Cancer
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
  • Health Sciences › Medicine › Oncology › Lymphatic System and Diseases
Keywords
VEGF-A, angiogenic sprouting, endothelial tip cells, filopodia, VEGF receptor 2, endothelial cell proliferation, retinal angiogenesis, postnatal retina
MeSH terms
Animals, Animals, Newborn, Astrocytes, Cell Differentiation, Cell Division, Cells, Cultured, Dose-Response Relationship, Drug, Endothelium, Vascular, Organ Culture Techniques, Pseudopodia, Retina, Retinal Artery, Endothelial Growth Factors, Mice, Knockout, Neovascularization, Physiologic, Vascular Endothelial Growth Factor Receptor-2, Vascular Endothelial Growth Factor A, Mice

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