Both VEGF (vascular endothelial growth factor)-A and Orf-virus-encoded VEGF-E bind and activate VEGFR (VEGF receptor)-2; however, only VEGF-A binds VEGFR-1. To understand the biological differences between VEGF-A and VEGF-E in vivo, we established transgenic mouse models. K14 (keratin-14)-promoter-driven VEGF-E transgenic mice showed a significant increase in mature blood vessels. However, K14–VEGF-A transgenic mice exhibited severe inflammation and oedema with increased angiogenesis, as well as lymphangiogenesis and lymph vessel dilatation. K14–VEGF-A transgenic mice deficient in VEGFR-1 signalling (K14–VEGF-A-tg/VEGFR-1 TK−/− mice) showed decreases in oedema and inflammation with less recruitment of macrophage-lineage cells, suggesting an involvement of VEGFR-1 in these adverse effects. VEGFE might be more useful than VEGFA for pro-angiogenic therapy.
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Conference Article|
November 19 2009
Unique signal transduction of the VEGF family members VEGF-A and VEGF-E Available to Purchase
Masabumi Shibuya
Masabumi Shibuya
1
1Department of Molecular Oncology, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8519, Japan, and Jobu University, Takasaki, Japan
1email [email protected]
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Publisher: Portland Press Ltd
Received:
June 28 2009
Online ISSN: 1470-8752
Print ISSN: 0300-5127
© The Authors Journal compilation © 2009 Biochemical Society
2009
Biochem Soc Trans (2009) 37 (6): 1161–1166.
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Received:
June 28 2009
Citation
Masabumi Shibuya; Unique signal transduction of the VEGF family members VEGF-A and VEGF-E. Biochem Soc Trans 1 December 2009; 37 (6): 1161–1166. doi: https://doi.org/10.1042/BST0371161
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