2024
Comparative Analysis of Ficoll-Hypaque and CytoLyt® Techniques for Blood Removal in Breast Cancer Malignant Effusions: Effects on RNA Quality and Sequencing Outcomes
Sura G, Tran K, Trevarton A, Marczyk M, Fu C, Du L, Qu J, Lau R, Tasto A, Gould R, Tinnirello A, Sinn B, Pusztai L, Hatzis C, Symmans W. Comparative Analysis of Ficoll-Hypaque and CytoLyt® Techniques for Blood Removal in Breast Cancer Malignant Effusions: Effects on RNA Quality and Sequencing Outcomes. Journal Of The American Society Of Cytopathology 2024 DOI: 10.1016/j.jasc.2024.11.001.Peer-Reviewed Original ResearchRNA integrity numberRNA qualityRNA-seqMeasurement of gene expressionRNA-seq analysisMetastatic breast cancerFicoll-Hypaque methodDensity gradient enrichmentSequence dataRead-basedVariant detectionMalignant effusionsCytospin slidesFresh frozen samplesRNA fragmentsTranscript abundanceSequencing outcomesSequencing methodsBreast cancerRNA sequencingFicoll-HypaqueUMI-basedGene expressionRNAMalignant effusion specimens
2022
Molecular testing opportunities on cytology effusion specimens: the pre-analytic effects of various body fluid cytology preparation methods on RNA extraction quality and targeted sequencing
Sura G, Tran K, Fu C, Du L, Marczyk M, Martinez Y, Tinnirello A, Gould R, Lau R, Symmans W. Molecular testing opportunities on cytology effusion specimens: the pre-analytic effects of various body fluid cytology preparation methods on RNA extraction quality and targeted sequencing. Journal Of The American Society Of Cytopathology 2022, 12: 10-19. PMID: 36270909, PMCID: PMC10644714, DOI: 10.1016/j.jasc.2022.09.003.Peer-Reviewed Original ResearchConceptsCell blocksCarnoy's solutionDiff-QuikFF samplesCytology laboratoryFFPE cell blocksMultigene expression signaturesConcordance correlation coefficientCell block sectionsParaffin-embedded sectionsMalignant effusionsEffusion specimensMolecular subtypesSurePath samplesCytospin preparationsCytologic methodsCytologic samplesSurePath preparationsDiagnostic approachClinical researchRNA sequencing analysisExpression signaturesHigh concordanceBlock sectionsFrozen cell pellets