Blood vessel maturation, vascular phenotype and angiogenic potential in malignant melanoma: One step forward for overcoming anti-angiogenic drug resistance?

Angiogenesis is a pivotal process for growth, invasion and spread of the majority of solid tumors including melanoma. Anti-angiogenic agents have not been systematically tested in patients with advanced melanoma. Clinical efficacy of angiogenesis inhibitors targeting endothelial cells has not been a...

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Veröffentlicht in:Molecular oncology 2011-04, Vol.5 (2), p.137-149
Hauptverfasser: Helfrich, Iris, Schadendorf, Dirk
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description Angiogenesis is a pivotal process for growth, invasion and spread of the majority of solid tumors including melanoma. Anti-angiogenic agents have not been systematically tested in patients with advanced melanoma. Clinical efficacy of angiogenesis inhibitors targeting endothelial cells has not been as affirmative as initially hoped and improved clinical outcomes have been observed in combination with chemotherapy or additional drugs for many types of human cancer. However, angiogenesis is not only dependent on endothelial cell invasion and proliferation, it also requires pericyte coverage of vascular sprouts for stabilization and maturation of vascular walls. Recent data suggest that pericytes might be able to confer resistance to anti-vascular endothelial growth factor (VEGF) therapy. This review will focus on the significance of the vascular phenotype but also on the impact of pericyte-mediated vessel maturation for the susceptibility to anti-angiogenic therapy, including malignant melanoma, which we identified as crucial factor regarding therapeutic efficacy.
doi_str_mv 10.1016/j.molonc.2011.01.003
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subjects Angiogenesis
Angiogenesis inhibitors
Angiogenesis Inhibitors - pharmacology
Angiogenesis Inhibitors - therapeutic use
Animals
anti-Angiogenic therapy
Blood Vessels - drug effects
Blood Vessels - pathology
Cell growth
Chemotherapy
Clinical trials
Drug resistance
Drug Resistance, Neoplasm
Endothelial cells
Genotype & phenotype
Humans
Hypoxia
Kinases
Maturation
Medical prognosis
Medical research
Melanoma
Melanoma - blood supply
Melanoma - drug therapy
Melanoma - pathology
Metabolism
Metastasis
Neovascularization, Pathologic - drug therapy
Neovascularization, Pathologic - pathology
Nitric oxide
Pericytes
Pericytes - drug effects
Pericytes - pathology
Phenotypes
Review
Reviews
Skin cancer
Smooth muscle
Solid tumors
Tumors
Vascular endothelial growth factor
Vascular Endothelial Growth Factors - antagonists & inhibitors
Vessel maturation
title Blood vessel maturation, vascular phenotype and angiogenic potential in malignant melanoma: One step forward for overcoming anti-angiogenic drug resistance?
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