Increased expression of VEGF-receptors (FLT-1, KDR, NRP-1) and thrombospondin-1 is associated with glomeruloid microvascular proliferation, an aggressive angiogenic phenotype, in malignant melanoma.

Abstract excerpt

Glomeruloid microvascular proliferations (GMPs), which are focal proliferative buddings of endothelial cells resembling a renal glomerulus, can be induced experimentally by adenoviral transfer of VEGF-A(165). We recently found that GMPs were present in 13-23% of various human tumours (melanoma, breast-, endometrial- and prostate cancer), and this vascular signature was significantly associated with an impaired...

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