Reduced Level of Ribonucleotide Reductase R2 Subunits Increases Dependence on Homologous Recombination Repair of Cisplatin-Induced DNA Damage
Lin ZP, Lee Y, Lin F, Belcourt MF, Li P, Cory JG, Glazer PM, Sartorelli AC. Reduced Level of Ribonucleotide Reductase R2 Subunits Increases Dependence on Homologous Recombination Repair of Cisplatin-Induced DNA Damage. Molecular Pharmacology 2011, 80: 1000-1012. PMID: 21875941, PMCID: PMC3228527, DOI: 10.1124/mol.111.074708.Peer-Reviewed Original ResearchConceptsNucleotide excision repairHomologous recombination repairR2 subunitRibonucleotide reductaseRecombination repairCell cycleP53-deficient human colon cancer cellsDNA damageS phaseDepletion of BRCA1Mammalian ribonucleotide reductaseSubsequent S phaseDouble-strand breaksHuman colon cancer cellsP53-deficient cancer cellsSingle-strand gapsCancer cellsCisplatin-induced DNA damageColon cancer cellsCisplatin-DNA lesionsGap-filling synthesisHeteromeric enzymeReplication stressΓ-H2AX inductionDNA repair