2019
Closed system RT-qPCR as a potential companion diagnostic test for immunotherapy outcome in metastatic melanoma
Gupta S, McCann L, Chan YGY, Lai EW, Wei W, Wong PF, Smithy JW, Weidler J, Rhees B, Bates M, Kluger HM, Rimm DL. Closed system RT-qPCR as a potential companion diagnostic test for immunotherapy outcome in metastatic melanoma. Journal For ImmunoTherapy Of Cancer 2019, 7: 254. PMID: 31533832, PMCID: PMC6751819, DOI: 10.1186/s40425-019-0731-9.Peer-Reviewed Original ResearchMeSH KeywordsAgedAntineoplastic Agents, ImmunologicalB7-H1 AntigenBiomarkers, TumorCD8 AntigensFemaleFollow-Up StudiesGene Expression ProfilingHumansInterferon Regulatory Factor-1MaleMelanomaMiddle AgedMonitoring, ImmunologicPrognosisProgrammed Cell Death 1 Ligand 2 ProteinProgression-Free SurvivalReal-Time Polymerase Chain ReactionRetrospective StudiesReverse Transcriptase Polymerase Chain ReactionRNA, MessengerSkin NeoplasmsConceptsCompanion diagnostic testsImmunotherapy outcomesMelanoma patientsClinical benefitAnti-PD-1 therapyImmune checkpoint inhibitor therapyMRNA expressionQuantitative immunofluorescenceDiagnostic testsCheckpoint inhibitor therapyReal-time quantitative reverse transcription polymerase chain reactionMetastatic melanoma patientsQuantitative reverse transcription polymerase chain reactionReverse transcription-polymerase chain reactionTranscription-polymerase chain reactionYale Pathology archivesParaffin-embedded tissue sectionsAdjuvant settingICI therapyOS associationInhibitor therapyBaseline variablesMetastatic melanomaPredictive biomarkersPolymerase chain reaction
2018
Macrodissection prior to closed system RT-qPCR is not necessary for estrogen receptor and HER2 concordance with IHC/FISH in breast cancer
Gupta S, Mani NR, Carvajal-Hausdorf DE, Bossuyt V, Ho K, Weidler J, Wong W, Rhees B, Bates M, Rimm DL. Macrodissection prior to closed system RT-qPCR is not necessary for estrogen receptor and HER2 concordance with IHC/FISH in breast cancer. Laboratory Investigation 2018, 98: 1076-1083. PMID: 29858579, PMCID: PMC6119113, DOI: 10.1038/s41374-018-0064-1.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkers, TumorBreast NeoplasmsCarcinoma, Ductal, BreastCarcinoma, Intraductal, NoninfiltratingFemaleGene Expression Regulation, NeoplasticHumansImmunohistochemistryIn Situ Hybridization, FluorescenceParaffin EmbeddingPathology, ClinicalReal-Time Polymerase Chain ReactionReceptor, ErbB-2Receptors, EstrogenReproducibility of ResultsSensitivity and SpecificityTissue FixationConceptsIHC/FISHDCIS cohortRT-qPCRMRNA transcript levelsDuctal carcinoma casesFine needle aspiratesMRNA expression levelsHER2 concordanceER positivityDuctal carcinomaHER2 expressionGeneXpert systemCarcinoma casesInvasive tumorsNeedle biopsyBreast cancerEstrogen receptorClinical ImmunohistochemistryBiopsy areaTumor tissueMRNA expressionTumor areaCohortMRNA levelsMRNA markers
2017
High concordance of a closed-system, RT-qPCR breast cancer assay for HER2 mRNA, compared to clinically determined immunohistochemistry, fluorescence in situ hybridization, and quantitative immunofluorescence
Wasserman BE, Carvajal-Hausdorf DE, Ho K, Wong W, Wu N, Chu VC, Lai EW, Weidler JM, Bates M, Neumeister V, Rimm DL. High concordance of a closed-system, RT-qPCR breast cancer assay for HER2 mRNA, compared to clinically determined immunohistochemistry, fluorescence in situ hybridization, and quantitative immunofluorescence. Laboratory Investigation 2017, 97: 1521-1526. PMID: 28892092, PMCID: PMC5711560, DOI: 10.1038/labinvest.2017.93.Peer-Reviewed Original ResearchConceptsInvasive breast cancerBreast cancerQuantitative immunofluorescenceRT-qPCRFormalin-fixed paraffin-embedded tissue blocksRT-qPCR assaysEquivocal categoryReal-time quantitative reverse transcription polymerase chain reactionHER2 receptor statusQuantitative reverse transcription polymerase chain reactionParaffin-embedded tissue blocksReverse transcription-polymerase chain reactionTranscription-polymerase chain reactionIHC/FISHMRNA measurementsAssessment of HER2Low-resource settingsReceptor statusPolymerase chain reactionPathology reportsCT cutsSingle-use cartridgeResource settingsHER2 mRNATissue blocks