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Biochem Pharmacol. 2010 Sep 1;80(5):666-73. doi: 10.1016/j.bcp.2010.03.001. Epub 2010 Mar 6.

Exploiting the balance between life and death: targeted cancer therapy and "oncogenic shock".

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1
Massachusetts General Hospital Cancer Center and Harvard Medical School, 149 13th Street, Charlestown, MA 02129, USA.

Abstract

Rational approaches to targeted cancer therapy have begun to predominate the pipelines of oncology drug development. Our rapidly increasing understanding of the "wiring" of tumor cells and the vulnerabilities of such cells that can potentially be exploited through targeted treatments has opened up enormous opportunities for improved therapies. Accumulating evidence suggests that many of these vulnerabilities reflect states of dependency or "addiction" that are unique to cancer cells (versus normal cells). Such addiction can arise due to a strict dependency on a single activated oncogene, a cell lineage-specific factor, or even to a non-oncogene, and identifying these "Achilles' heels" within individual tumors remains an important challenge to the development of targeted therapies. Recent technology advances that facilitate high-throughput genomic analysis of tumor specimens and genome-wide RNA interference screening in cancer cell lines are key among the newly developed tools that are beginning to reveal novel context-dependent therapeutic targets, and the rapidly increasing application of these technologies by a large number of laboratories will undoubtedly lead to more effective cancer therapies in the near future. Here, we review the various forms of cancer cell addiction and their relevance to the discovery of novel therapeutic targets.

PMID:
20211150
DOI:
10.1016/j.bcp.2010.03.001
[Indexed for MEDLINE]

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