Directed capillary ingrowth has long been considered synonymous with tumor vascularization.However,the vasculature of primary tumors and metastases is not necessarily formed by endothelial cell sprouting;instead,malig...Directed capillary ingrowth has long been considered synonymous with tumor vascularization.However,the vasculature of primary tumors and metastases is not necessarily formed by endothelial cell sprouting;instead,malignant tumors can acquire blood vessels via alternative vascularization mechanisms,such as intussusceptive microvascular growth,vessel co-option,and glomeruloid angiogenesis.Importantly,in response to anti-angiogenic therapies,malignant tumors can switch from one vascularization mechanism to another.In this article,we briefly review the biological features of these mechanisms and discuss on their significance in medical oncology.展开更多
基金supported by the Grants from KTIA AIK 12-1-2013-0041Semmelweis University Start-Up Grant 40148-11658+3 种基金OTKA K109626,OTKA SNN1 14490,OTKA K100931,OTKA PD109201,EUREKA_HU_12-1-2012-0057TAMOP 4.2.4.A/1-11-1-2012-0001ONB Jubilaumsfondsprojekt Nr.14043 and Nr.14574the Vienna Fund for Innovative Interdisciplinary Cancer Research
文摘Directed capillary ingrowth has long been considered synonymous with tumor vascularization.However,the vasculature of primary tumors and metastases is not necessarily formed by endothelial cell sprouting;instead,malignant tumors can acquire blood vessels via alternative vascularization mechanisms,such as intussusceptive microvascular growth,vessel co-option,and glomeruloid angiogenesis.Importantly,in response to anti-angiogenic therapies,malignant tumors can switch from one vascularization mechanism to another.In this article,we briefly review the biological features of these mechanisms and discuss on their significance in medical oncology.