Journal
CURRENT OPINION IN GENETICS & DEVELOPMENT
Volume 21, Issue 1, Pages 59-66Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.gde.2010.10.001
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Malignant transformation is often a multistep process characterized by an initial period of avascular growth. Rapid cell proliferation creates areas within the emerging preneoplastic lesion with limited diffusion of oxygen and nutrients. In this context, activation of oncogenes, loss of tumor suppressors as well as additional adaptive mechanisms drive a profound metabolic rewiring to overcome the environmental constraints. The emerging cells are in principle better suited to proliferate and survive in the hostile tumor microenvironment. Furthermore, some of the acquired metabolic traits impact their metastatic behavior and response to therapy. It is becoming increasingly clear that malignant cells are highly dependent on certain nutrients, an Achilles' heel of cancer and an opportunity for therapeutic intervention.
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