Abstract:
:VEGF-induced vascular barrier disruptions, formation of fenestrae and vesiculo-vacuolar organelles (VVOs), are involved in enhancing vascular permeability in metastatic and edematous diseases. Here, we analyzed vascular permeability enhanced by VEGFs with different receptor selectivity using biological and ultrastructural methods. VEGF-A(165), which stimulates both Flt-1 and KDR, induced the formation of both fenestrae and VVOs at a similar rate, while VEGF-F, a KDR-specific VEGF vammin, predominantly induced the formation of fenestrae with an approximately 5-fold more potent vascular permeability response than VEGF-A(165). This is the first report showing that VEGFs with different receptor selectivity evoke distinct changes in vascular ultrastructure.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Matsunaga Y,Yamazaki Y,Suzuki H,Morita Tdoi
10.1016/j.bbrc.2008.12.129subject
Has Abstractpub_date
2009-02-20 00:00:00pages
872-5issue
4eissn
0006-291Xissn
1090-2104pii
S0006-291X(08)02552-7journal_volume
379pub_type
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