Search results for "Rabusertib"

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CHK1 inhibitor sensitizes resistant colorectal cancer stem cells to nortopsentin

2021

Summary Limited therapeutic options are available for advanced colorectal cancer (CRC). Herein, we report that exposure to a neo-synthetic bis(indolyl)thiazole alkaloid analog, nortopsentin 234 (NORA234), leads to an initial reduction of proliferative and clonogenic potential of CRC sphere cells (CR-CSphCs), followed by an adaptive response selecting the CR-CSphC-resistant compartment. Cells spared by the treatment with NORA234 express high levels of CD44v6, associated with a constitutive activation of Wnt pathway. In CR-CSphC-based organoids, NORA234 causes a genotoxic stress paralleled by G2-M cell cycle arrest and activation of CHK1, driving the DNA damage repair of CR-CSphCs, regardless…

0301 basic medicineCell cycle checkpointColorectal cancerScienceSettore MED/50 - Scienze Tecniche Mediche Applicate02 engineering and technologyGenotoxic StressArticleMolecular Physiology03 medical and health sciencesSettore MED/04 - PATOLOGIA GENERALERabusertibmedicineClonogenic assayCancerMultidisciplinarybusiness.industryQWnt signaling pathwayDrugsCancerCell Biology021001 nanoscience & nanotechnologymedicine.disease030104 developmental biologyCancer researchSettore MED/46 - Scienze Tecniche Di Medicina Di LaboratorioStem cell0210 nano-technologybusinesscolorectal cancer cancer stem cells alkaloids DNA damage repair CHK1.iScience

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PEPhysical Sciences and Engineering
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LSLife Sciences
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