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Angiology
Hyperpermeable tumor vessels belong to distinct subsets
September 20th, 2006
Hyperpermeable tumor vessels belong to distinct subsets. "Malignant tumors generate new blood vessels by secreting growth factors, particularly members of the vascular permeability factor/vascular endothelial growth factor (VPF/VEGF) family. Overall, the new blood vessels that form are hyperpermeable to plasma proteins, a property that is thought to be important for generating new stroma," researchers in the United States report. "However, tumor blood vessels are structurally heterogeneous and include microvessels of at least the following distinct types: mother vessels (MV), glomeruloid microvascular proliferations (GMP), arterio-venous-like...
Source: Biotech Week (2006-09-20)
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