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J Soc Biol. 1999;193(2):159-63.

[Lymphangiogenesis and biological activity ov vascular endothelial growth factor-C].

[Article in French]

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  • 1Centre Médical Universitaire, Département de Morphologie, Genève, Suisse.


Vascular endothelial growth factor (VEGF)-C is a new member of the VEGF family, a group of polypeptide growth factors which play key roles in the physiology and pathology of many aspects of the cardiovascular system, including vasculogenesis, hematopoiesis, angiogenesis and vascular permeability. VEGF signalling in endothelial cells occurs through three tyrosine kinase receptors (VEGFRs), expressed by endothelial cells and hematopoietic precursors. With respect to the first VEGF described, VEGF-A, which is an endothelial cell specific mitogen and key angiogenic factor, VEGF-C seems to play a major role in the development of the lymphatic system. This may reflect the different binding properties of VEGFs to VEGFRs, in that VEGF-A binds to VEGFR-1 and -2, whereas VEGF-C acts through VEGFR-3, whose expression becomes restricted to lymphatics and certain veins during development. However, the finding that VEGF-C also binds to and activates VEGFR-2 may explain why it induces angiogenesis under certain conditions, which makes it relevant to experimental or clinical settings in which one would wish to block or to stimulate angiogenesis. In this paper we briefly discuss current knowledge on the biological activity of VEGF-C, emphasizing that, as has already been shown for a number of other angiogenic factors, the biological effects of VEGF-C are strictly dependent on the activity of other angiogenic regulators present in the microenvironment of the responding endothelial cells.

[PubMed - indexed for MEDLINE]
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