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Angiogenesis Inducing Agents

About:Angiogenesis Inducing Agents is a research topic. Over the lifetime, 265 publications have been published within this topic receiving 33196 citations.


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TL;DR:认为切换到的血管新生表型a net balance of positive and negative regulators of blood vessel growth, which may dictate whether a primary tumour grows rapidly or slowly and whether metastases grow at all.
Abstract:Recent discoveries of endogenous negative regulators of angiogenesis, thrombospondin, angiostatin and glioma-derived angiogenesis inhibitory factor, all associated with neovascularized tumours, suggest a new paradigm of tumorigenesis. It is now helpful to think of the switch to the angiogenic phenotype as a net balance of positive and negative regulators of blood vessel growth. The extent to which the negative regulators are decreased during this switch may dictate whether a primary tumour grows rapidly or slowly and whether metastases grow at all.

7,776citations

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TL;DR:The cellular and molecular mechanisms underlying the formation of endothelium-lined channels and their maturation via recruitment of smooth muscle cells (arteriogenesis) during physiological and pathological conditions are summarized, alongside with possible therapeutic applications.
Abstract:Endothelial and smooth muscle cells interact with each other to form new blood vessels. In this review, the cellular and molecular mechanisms underlying the formation of endothelium-lined channels (angiogenesis) and their maturation via recruitment of smooth muscle cells (arteriogenesis) during physiological and pathological conditions are summarized, alongside with possible therapeutic applications.

3,953citations

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Judah Folkman1
TL;DR:Preclinical studies have shown that endostatin effectively inhibits tumor growth and shrinks existing tumor blood vessels and therapy with endogenous inhibitors of angiogenesis, such asendostatin and angiostatin may reverse the angiogenic switch preventing growth of tumor vasculature.
Abstract:Angiogenesis is required for invasive tumor growth and metastasis and constitutes an important point in the control of cancer progression. Its inhibition may be a valuable new approach to cancer therapy. Avascular tumors are severely restricted in their growth potential because of the lack of a blood supply. For tumors to develop in size and metastatic potential they must make an "angiogenic switch" through perturbing the local balance of proangiogenic and antiangiogenic factors. Frequently, tumors overexpress proangiogenic factors, such as vascular endothelial growth factor, allowing them to make this angiogenic switch. Two strategies used in the development of antiangiogenic agents involve the inhibition of proangiogenic factors (eg, anti-vascular endothelial growth factor monoclonal antibodies) as well as therapy with endogenous inhibitors of angiogenesis, such as endostatin and angiostatin. Therapy with endogenous angiogenic inhibitors such as endostatin and angiostatin may reverse the angiogenic switch preventing growth of tumor vasculature. Preclinical studies have shown that endostatin effectively inhibits tumor growth and shrinks existing tumor blood vessels. Phase 1 clinical trials of endostatin and angiostatin are ongoing, and preliminary results show minimal toxicities.

2,486citations

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Judah Folkman1
TL;DR:The realization that tumor growth requires new blood vessels and the identification of chemical factors that mediate angiogenesis have broadened the understanding of pathologic processes and opened new avenues to the diagnosis and treatment of these diseases.
Abstract:Angiogenesis is fundamental to reproduction, development, and repair. All these processes depend on the tightly regulated growth of blood vessels that can “turn on” and “turn off” within a brief period. When blood vessels grow unabated, angiogenesis becomes pathologic and sustains the progression of many neoplastic and non-neoplastic diseases. The realization that tumor growth requires new blood vessels and the identification of chemical factors that mediate angiogenesis have broadened our understanding of pathologic processes and opened new avenues to the diagnosis and treatment of these diseases. Tumor hypervascularity was initially thought to reflect inflammatory vasodilation of preexisting host vessels, a . . .

2,221citations

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11 Dec1980 - Nature
TL;DR:This first demonstration of angiogenesis in vitro shows that all the information necessary to develop an entire capillary network in vitro is expressed by one cell type, suggests a mechanism for lumen formation, and offers a possibility of distinguishing between direct and indirectAngiogenesis factors.
Abstract:Cloned capillary endothelial cells, cultured in tumour-conditioned medium, form capillary tubes. By light and electron microscopy these tubes resemble capillaries in vivo. This first demonstration of angiogenesis in vitro: (1) shows that all the information necessary to develop an entire capillary network in vitro is expressed by one cell type; (2) suggests a mechanism for lumen formation; and (3) offers a possibility of distinguishing between direct and indirect angiogenesis factors.

1,042citations