Abstract

The existence of factors that stimulate blood vessel growth, thereby recruiting a neovascular supply to nourish a growing tumour, was postulated many decades ago, although the identification and isolation of these factors proved elusive. Now, vascular endothelial growth factor (VEGF), which was identified in the 1980s, is recognized as an essential regulator of normal and abnormal blood vessel growth. In 1993, it was shown that a monoclonal antibody that targeted VEGF results in a dramatic suppression of tumour growth in vivo, which led to the development of bevacizumab (Avastin; Genentech), a humanized variant of this anti-VEGF antibody, as an anticancer agent. The recent approval of bevacizumab by the US FDA as a first-line therapy for metastatic colorectal cancer validates the ideas that VEGF is a key mediator of tumour angiogenesis and that blocking angiogenesis is an effective strategy to treat human cancer.

Author affiliations

1. Department of Molecular Oncology, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, USA.
2. Department of Developmental Sciences, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, USA.
3. Department of Clinical Oncology, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, USA.

Correspondence to: Napoleone Ferrara¹ Email: nf@gene.com

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