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Curr Pharm Des. 2011 Dec;17(38):4362-71.

In vivo bio-imaging using chlorotoxin-based conjugates.

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  • 1Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA.


Surgical resection remains the primary component of cancer therapy. The precision required to successfully separate cancer tissue from normal tissue relies heavily on the surgeon's ability to delineate the tumor margins. Despite recent advances in surgical guidance and monitoring systems, intra-operative identification of these margins remains imprecise and directly influences patient prognosis. If the surgeon had improved tools to distinguish these margins, tumor progression and unacceptable morbidity could be avoided. In this article, we review the history of chlorotoxin and its tumor specificity and discuss the research currently being generated to target optical imaging agents to cancer tissue.

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