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US 7,803,783 B2Granted
Use of WNT inhibitors to augment therapeutic index of chemotherapy
AssigneeThe Board of Trustees of the Leland Stanford Junior University
InventorsMark Lee, Calvin Jay Kuo, Tannishtha Reya, Irving L. Weissman
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Abstract
Methods and compositions are provided for the protection of normal cells from cytoreductive therapy that target proliferating cells, by administering an inhibitor of Wnt signaling pathways. Wnt signaling is critically important for homeostasis of the epithelial lining of the adult intestine and other proliferating normal adult tissues.
Claims3
A method for protection of normal intestinal cells from cytotoxic therapy that targets proliferating cells, the method comprising:
- contacting said normal intestinal cells with an adenoviral expression vector comprising Dickkopf (Dkk) coding sequences;
- for a period of time sufficient to block wnt signaling in normal cells;
- contacting said normal cells with a cytoreductive topoisomerase inhibitor therapy;
- wherein normal cells dependent on wnt signaling for proliferation are protected from said cytoreductive therapy.
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Dependencies are inferred from the claim text.