Abstract
Vascular endothelial growth factor-A (VEGF-A/VEGF) interaction with VEGF receptor 2 (VEGFR2) is key for sprouting angiogenesis in health and disease. VEGF/VEGFR2 signaling promotes endothelial proliferation and migration, as well as the hierarchical organization into leader (tip) and follower (stalk) cells via a dynamic interplay with Notch. Recent studies reveal novel molecular mechanisms to fine-tune VEGF/Notch signaling and tip/stalk cell function during sprouting angiogenesis.
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Abbreviations
- aPKC:
-
Atypical PKC
- DAG:
-
Diacylglycerol
- Dll4:
-
Delta-like ligand 4
- ER:
-
Endoplasmic reticulum
- ERK:
-
Extracellular signal-regulated kinase
- FOXO1:
-
Forkhead box protein O1
- IP3:
-
Inositoltrisphosphate
- Mst1:
-
Mammalian sterile 20-like kinase 1
- ROS:
-
Reactive oxygen species
- PI3-K:
-
Phosphoinositide 3-kinase
- PKC:
-
Protein kinase C
- TMEM33:
-
Transmembrane protein 33
- VEGF:
-
Vascular endothelial growth factor
- VEGFR2:
-
VEGF receptor 2
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Margadant, C. Positive and negative feedback mechanisms controlling tip/stalk cell identity during sprouting angiogenesis. Angiogenesis 23, 75–77 (2020). https://doi.org/10.1007/s10456-020-09706-0
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DOI: https://doi.org/10.1007/s10456-020-09706-0