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Nat Rev Mol Cell Biol. 2009 Mar;10(3):165-77. doi: 10.1038/nrm2639.

Control of vascular morphogenesis and homeostasis through the angiopoietin-Tie system.

Author information

  • 1Joint Research Division Vascular Biology, Medical Faculty Mannheim (CBTM), University of Heidelberg, and German Cancer Research Center Heidelberg (DKFZ-ZMBH Alliance), Germany. augustin@angiogenese.de

Abstract

Angiogenesis, the growth of blood vessels, is a fundamental biological process that controls embryonic development and is also involved in numerous life-threatening human diseases. Much work in the field of angiogenesis research has centred on the vascular endothelial growth factor (VEGF)-VEGF receptor system. The Tie receptors and their angiopoietin (Ang) ligands have been identified as the second vascular tissue-specific receptor Tyr kinase system. Ang-Tie signalling is essential during embryonic vessel assembly and maturation, and functions as a key regulator of adult vascular homeostasis. The structural characteristics and the spatio-temporal regulation of the expression of receptors and ligands provide unique insights into the functions of this vascular signalling system.

PMID:
19234476
[PubMed - indexed for MEDLINE]
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