2023
Quantitative DNA Repair Biomarkers and Immune Profiling for Temozolomide and Olaparib in Metastatic Colorectal Cancer
Cecchini M, Zhang J, Wei W, Sklar J, Lacy J, Zhong M, Kong Y, Zhao H, DiPalermo J, Devine L, Stein S, Kortmansky J, Johung K, Bindra R, LoRusso P, Schalper K. Quantitative DNA Repair Biomarkers and Immune Profiling for Temozolomide and Olaparib in Metastatic Colorectal Cancer. Cancer Research Communications 2023, 3: 1132-1139. PMID: 37387791, PMCID: PMC10305782, DOI: 10.1158/2767-9764.crc-23-0045.Peer-Reviewed Original ResearchConceptsWhole-exome sequencingMGMT protein expressionColorectal cancerStable diseaseQuantitative immunofluorescenceT cellsProtein expressionPromoter hypermethylationLow MGMT protein expressionPARP inhibitorsRadiographic tumor regressionMetastatic colorectal cancerAdvanced colorectal cancerPretreatment tumor biopsiesEffector T cellsTumor-infiltrating lymphocytesMGMT proteinDNA repair biomarkersBaseline CD8Eligible patientsIncreased CD8Methylguanine-DNA methyltransferaseObjective responseProgressive diseaseImmune markers
2014
Automated Objective Determination of Percentage of Malignant Nuclei for Mutation Testing
Viray H, Coulter M, Li K, Lane K, Madan A, Mitchell K, Schalper K, Hoyt C, Rimm DL. Automated Objective Determination of Percentage of Malignant Nuclei for Mutation Testing. Applied Immunohistochemistry & Molecular Morphology 2014, 22: 363-371. PMID: 24162261, PMCID: PMC3999345, DOI: 10.1097/pai.0b013e318299a1f6.Peer-Reviewed Original ResearchConceptsCriterion standardMalignant cellsMalignant nucleiCompanion diagnostic testsTumor cell percentageMutation testingEosin-stained tissuesCell percentageInForm softwareHistologic specimensTumor tissueColon adenocarcinomaTumor cellsDiagnostic testsPotential future toolDNA mutation testingTissue sectionsContinuous variablesFurther validationPathologist estimationAnalytic sensitivityVariant resultsDNA mutationsBenign nucleiTissue
2013
Mutacin del gen KRAS en el cncer de colon y recto
Roa I, Snchez T, Majlis A, Schalper K. Mutacin del gen KRAS en el cncer de colon y recto. Revista Medica De Chile 2013, 141: 1166-1172. PMID: 24522420, DOI: 10.4067/s0034-98872013000900009.Peer-Reviewed Original ResearchConceptsKRAS mutationsPrimary tumorColorectal cancer tissue samplesTissue samplesColo-rectal cancerCancer tissue samplesColorectal cancerMetastatic tumorsTumor locationColorectal carcinogenesisG12C mutationCodon 13KRAS oncogeneCodon 12Tumor samplesTumorsExtraction sitesDirect sequencingCancerDistribution of mutationsMutationsPoint mutationsMetastasisRectumColon