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Cancer Gene Therapy

Radiation Targeted Gene Therapy Selectively Damages Tumor Vessels

Published in Cancer Weekly, November 18th, 1996

Tumor necrosis factor (alpha) (TNF-(alpha)) gene therapy, when targeted by ionizing radiation, selectively damages tumor vasculature.

Several gene therapy modalities for treating cancer revolve around the use of DNA constructs to replace or modify defective genes or to introduce genes encoding cytotoxic proteins or immunomodulates. Chimeric constructs composed of radiation-inducible promoters linked to therapeutic genes encoding cytotoxic proteins suggest clinical potential because ionizing radiation can be used to both activate and regulate gene expression.

In earlier research, Ralph R. Weichselbaum and colleagues from the University of Chicago,...

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