2020
Germline variant burden in cancer genes correlates with age at diagnosis and somatic mutation burden
Qing T, Mohsen H, Marczyk M, Ye Y, O’Meara T, Zhao H, Townsend JP, Gerstein M, Hatzis C, Kluger Y, Pusztai L. Germline variant burden in cancer genes correlates with age at diagnosis and somatic mutation burden. Nature Communications 2020, 11: 2438. PMID: 32415133, PMCID: PMC7228928, DOI: 10.1038/s41467-020-16293-7.Peer-Reviewed Original ResearchConceptsAge groupsGermline variantsSomatic mutationsLate-onset cancerEarly-onset cancersCancer hallmark genesSomatic mutation burdenMutation burdenMalignant transformationCancer genesYounger ageGermline alterationsCancerVariant burdenBurdenAverage numberHallmark genesAgeNegative correlationStrong negative correlationMutationsPatientsGroup
2019
The impact of RNA extraction method on accurate RNA sequencing from formalin-fixed paraffin-embedded tissues
Marczyk M, Fu C, Lau R, Du L, Trevarton AJ, Sinn BV, Gould RE, Pusztai L, Hatzis C, Symmans WF. The impact of RNA extraction method on accurate RNA sequencing from formalin-fixed paraffin-embedded tissues. BMC Cancer 2019, 19: 1189. PMID: 31805884, PMCID: PMC6896723, DOI: 10.1186/s12885-019-6363-0.Peer-Reviewed Original ResearchConceptsBreast cancerFresh frozenParaffin-embedded tumor samplesFF samplesFFPE samplesConcordance correlation coefficientMixed-effects model analysisBreast cancer signaturesQiagen RNeasy kitWhole transcriptome RNA sequencingParaffin-embedded tissuesTranscriptome RNA sequencingLinear mixed-effects model analysisGene expression signaturesDifferent kitsClinical trialsGene signatureTumor samplesGene expressionTranslational researchCancerTissue samplesExpression signaturesArchival formalinSimilar concordance
2016
Prognostic value of 5-microRNA based signature in T2-T3N0 colon cancer
Bobowicz M, Skrzypski M, Czapiewski P, Marczyk M, Maciejewska A, Jankowski M, Szulgo-Paczkowska A, Zegarski W, Pawłowski R, Polańska J, Biernat W, Jaśkiewicz J, Jassem J. Prognostic value of 5-microRNA based signature in T2-T3N0 colon cancer. Clinical & Experimental Metastasis 2016, 33: 765-773. PMID: 27485175, PMCID: PMC5110606, DOI: 10.1007/s10585-016-9810-1.Peer-Reviewed Original ResearchConceptsDistant metastasis-free survivalColon cancerMMR statusShorter distant metastasis-free survivalEarly-stage colon cancerMiR-592 expressionGroup of patientsMetastasis-free survivalExpression signaturesCox univariate analysisStage colon cancerNormal colon mucosa samplesColon mucosa samplesMiRNA expression signaturesAdjuvant chemotherapyDistant relapseMiRNA expressionDistant metastasisMiR-423-5pCC patientsPrognostic significancePrognostic valueSuch therapyUnivariate analysisHigh risk
2015
Influence of genetic background and oxidative stress response on risk of mandibular osteoradionecrosis after radiotherapy of head and neck cancer
Danielsson D, Brehwens K, Halle M, Marczyk M, Sollazzo A, Polanska J, Munck-Wikland E, Wojcik A, Haghdoost S. Influence of genetic background and oxidative stress response on risk of mandibular osteoradionecrosis after radiotherapy of head and neck cancer. Head & Neck 2015, 38: 387-393. PMID: 25352150, DOI: 10.1002/hed.23903.Peer-Reviewed Original ResearchConceptsRadiotherapy of headGlutathione S-transferase P1Mandibular osteoradionecrosisNeck cancerCohort of patientsIndividual radiosensitivitySingle nucleotide polymorphismsRadiation-induced oxidative stressDihydro-2'-deoxyguanosine levelsNeck radiotherapy treatmentConcomitant brachytherapyOxidative stress responseSevere complicationsPatient cohortOsteoradionecrosisSNP rs1695Multivariate analysisTissue damageHealthy tissue damagePatientsOxidative stressRadiotherapy treatmentRadiotherapyCohortBiomarker analysis
2011
Association between plasma proteome profiles analysed by mass spectrometry, a lymphocyte-based DNA-break repair assay and radiotherapy-induced acute mucosal reaction in head and neck cancer patients
Pietrowska M, Polańska J, Walaszczyk A, Wygoda A, Rutkowski T, Składowski K, Marczak Ł, Stobiecki M, Marczyk M, Polański A, Widłak P. Association between plasma proteome profiles analysed by mass spectrometry, a lymphocyte-based DNA-break repair assay and radiotherapy-induced acute mucosal reaction in head and neck cancer patients. International Journal Of Radiation Biology 2011, 87: 711-719. PMID: 21351848, DOI: 10.3109/09553002.2011.556174.Peer-Reviewed Original ResearchConceptsAcute mucosal reactionsAcute reactionsMucosal reactionsNeck cancerPlasma proteomeNeck cancer patientsPlasma proteome profilesDefinitive radiotherapyCancer patientsPredictive markerHealthy donorsBlood samplesHealthy individualsPatientsRadiotherapyPlasma samplesComet assayLymphocytesCancerMaximal intensityMarkersProteome profiles