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Leveraging a Patient-Derived Tumoroid Platform for Precision Radiotherapy: Uncovering DNA Damage Repair Inhibitor-Mediated Radiosensitization and Therapeutic Resistance in Rectal Cancer

2025-01-16 oncology Title + abstract only
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BackgroundPrecision radiation strategies that expand the therapeutic window by selectively sensitizing tumors and sparing normal tissues are needed. We developed a matched tumoroid-organoid preclinical platform to identify and characterize personalized radiosensitization strategies. MethodsWe established 15 rectal cancer-derived tumoroids and 3 matched normal rectal epithelial organoids. Whole exome sequencing characterized mutation profiles and phylogenetic relationships. Tumoroids were treate...

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