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Invasion Metastasis. 1994-1995;14(1-6):385-94.

Vascular permeability factor, tumor angiogenesis and stroma generation.

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Department of Pathology, Beth Israel Hospital, Boston, MA 02215, USA.


Vascular permeability factor (VPF/VEGF) is a highly conserved multifunctional cytokine that acts directly on endothelial cells (ECs) to activate phospholipase C and induce [CA2+]i transients. Two high-affinity receptors, both tyrosine kinases, have been described. VPF/VEGF has at least two important roles in tumor biology: (1) it potently increases microvascular permeability to plasma proteins, thereby modifying the tumor extracellular matrix to promote the ingrowth of fibroblasts and new blood vessels, and (2) it is a selective EC mitogen. VPF/VEGF is also involved in several other nonmalignant processes with a pathogenesis analogous to that of tumor stroma generation, including wound healing and rheumatoid arthritis.

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