Cancer and Metastasis Reviews

, Volume 26, Issue 2, pp 281–290

Hypoxia: A key regulator of angiogenesis in cancer


DOI: 10.1007/s10555-007-9066-y

Cite this article as:
Liao, D. & Johnson, R.S. Cancer Metastasis Rev (2007) 26: 281. doi:10.1007/s10555-007-9066-y


Angiogenesis is an important mediator of tumor progression. As tumors expand, diffusion distances from the existing vascular supply increases resulting in hypoxia. Sustained expansion of a tumor mass requires new blood vessel formation to provide rapidly proliferating tumor cells with an adequate supply of oxygen and metabolites. The key regulator of hypoxia-induced angiogenesis is the transcription factor hypoxia inducible factor (HIF)-1. Multiple HIF-1 target genes have been shown to modulate angiogenesis by promoting the mitogenic and migratory activities of endothelial cells. Because of this, hypoxia-induced angiogenesis has become an attractive target for cancer therapy, however the mechanisms involved during this process and how best to target it for cancer therapy are still under investigation. This review will cover the current understanding of hypoxia-induced tumor angiogenesis and discuss the caveats of hypoxia-targeted antiangiogenic therapy for the treatment of cancer.


Hypoxia Angiogenesis Cancer HIF 


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Department of Molecular PathologyUniversity of California San DiegoSan DiegoUSA
  2. 2.Department of BiologyUniversity of California San DiegoSan DiegoUSA

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