2023
Molecular and Sociodemographic Colorectal Cancer Disparities in Latinos Living in Puerto Rico
Perez-Mayoral J, Gonzalez-Pons M, Centeno-Girona H, Montes-Rodríguez I, Soto-Salgado M, Suárez B, Rodríguez N, Colón G, Sevilla J, Jorge D, Llor X, Xicola R, Toro D, Tous-López L, Torres-Torres M, Reyes J, López-Acevedo N, Goel A, Rodríguez-Quilichini S, Cruz-Correa M. Molecular and Sociodemographic Colorectal Cancer Disparities in Latinos Living in Puerto Rico. Genes 2023, 14: 894. PMID: 37107652, PMCID: PMC10138302, DOI: 10.3390/genes14040894.Peer-Reviewed Original ResearchConceptsEarly-onset colorectal cancerColorectal cancerCpG island methylator phenotypeMicrosatellite instabilityExact testColorectal cancer disparitiesSporadic colorectal cancerFisher's exact testMolecular carcinogenic pathwaysClinicopathologic featuresClinicopathological characteristicsCancer deathCancer disparitiesColorectal tumorsCarcinogenic pathwaysHispanic menMutation statusTumorsAdditional studiesMethylator phenotypeHispanic subpopulationsChi-squaredAmerindian admixtureMolecular pathwaysMolecular markers
2021
Molecular drivers of tumor progression in microsatellite stable APC mutation-negative colorectal cancers
Grant A, Xicola RM, Nguyen V, Lim J, Thorne C, Salhia B, Llor X, Ellis N, Padi M. Molecular drivers of tumor progression in microsatellite stable APC mutation-negative colorectal cancers. Scientific Reports 2021, 11: 23507. PMID: 34873211, PMCID: PMC8648784, DOI: 10.1038/s41598-021-02806-x.Peer-Reviewed Original ResearchMeSH KeywordsAdenomatous Polyposis ColiAdenomatous Polyposis Coli ProteinColorectal NeoplasmsDisease ProgressionDNA Copy Number VariationsDNA MethylationGenes, APCHumansMicrosatellite InstabilityMicrosatellite RepeatsMutationNeoplastic ProcessesPhenotypePromoter Regions, GeneticWnt Signaling PathwayConceptsAdenomatous polyposis coliMitochondrial activationDNA methylation profilesTumor suppressor gene adenomatous polyposis coliRNA expressionExpression of Axin2Cancer Genome AtlasIntracellular WntMethylation profilesAberrant regulationGene fusionsGenetic inactivationExtracellular WntNumber variationsGenome AtlasPolyposis coliSomatic mutationsAPC mutationsMutationsMolecular driversMutations of BRAFWntRSPO3Tumor progressionExpression
2019
Implication of DNA repair genes in Lynch-like syndrome
Xicola RM, Clark JR, Carroll T, Alvikas J, Marwaha P, Regan MR, Lopez-Giraldez F, Choi J, Emmadi R, Alagiozian-Angelova V, Kupfer SS, Ellis NA, Llor X. Implication of DNA repair genes in Lynch-like syndrome. Familial Cancer 2019, 18: 331-342. PMID: 30989425, PMCID: PMC6561810, DOI: 10.1007/s10689-019-00128-6.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overColorectal Neoplasms, Hereditary NonpolyposisDNA MethylationDNA Mismatch RepairDNA-Binding ProteinsFemaleGerm-Line MutationHeterozygoteHumansMaleMicrosatellite InstabilityMiddle AgedMismatch Repair Endonuclease PMS2MutL Protein Homolog 1MutS Homolog 2 ProteinSequence Analysis, DNAConceptsLLS patientsDistinct mutational signaturesGenome integrityLynch syndromeMutational signaturesMicrosatellite instabilityGermline mutationsColorectal cancerSequence analysisRepair genesSomatic MMR gene mutationsLS casesConsecutive CRC patientsMutational profileSomatic mutationsLynch-like syndromeL mutationMMR gene mutationsDNA repair genesFirst-degree relativesLikely pathogenic variantsSingle nucleotide variantsMLH1 promoter methylationTumor mutational profileExhibit microsatellite instability
2018
Lack of APC somatic mutation is associated with early-onset colorectal cancer in African Americans
Xicola RM, Manojlovic Z, Augustus GJ, Kupfer SS, Emmadi R, Alagiozian-Angelova V, Triche T, Salhia B, Carpten J, Llor X, Ellis NA. Lack of APC somatic mutation is associated with early-onset colorectal cancer in African Americans. Carcinogenesis 2018, 39: 1331-1341. PMID: 30239619, PMCID: PMC6292413, DOI: 10.1093/carcin/bgy122.Peer-Reviewed Original ResearchMeSH KeywordsAdenomatous Polyposis Coli ProteinBlack or African AmericanCadherinsColorectal NeoplasmsDNA Copy Number VariationsDNA MethylationDNA-Binding ProteinsExome SequencingFemaleGATA6 Transcription FactorHumansMaleMicrosatellite InstabilityMicrosatellite RepeatsMiddle AgedMixed Function OxygenasesProto-Oncogene ProteinsSOX9 Transcription FactorTranscription FactorsWnt Signaling PathwayColorectal cancer molecular classification using BRAF, KRAS, microsatellite instability and CIMP status: Prognostic implications and response to chemotherapy
Murcia O, Juárez M, Rodríguez-Soler M, Hernández-Illán E, Giner-Calabuig M, Alustiza M, Egoavil C, Castillejo A, Alenda C, Barberá V, Mangas-Sanjuan C, Yuste A, Bujanda L, Clofent J, Andreu M, Castells A, Llor X, Zapater P, Jover R. Colorectal cancer molecular classification using BRAF, KRAS, microsatellite instability and CIMP status: Prognostic implications and response to chemotherapy. PLOS ONE 2018, 13: e0203051. PMID: 30188916, PMCID: PMC6126803, DOI: 10.1371/journal.pone.0203051.Peer-Reviewed Original ResearchConceptsDisease-free survivalColorectal cancerMicrosatellite instabilityCIMP statusTNM stageKRAS mutationsBRAF mutationsMSS tumorsMolecular classificationAdvanced stage IIRetrospective observational studyPopulation-based cohortCpG island methylator phenotype (CIMP) statusCancer molecular classificationSomatic KRASAdjuvant chemotherapyAdjuvant treatmentCRC patientsPrognostic implicationsWorse prognosisPrognostic valueClinical criteriaObservational studyMolecular subtypesMAIN OUTCOMETFAP2E Methylation and Expression Status Does Not Predict Response to 5-FU-based Chemotherapy in Colorectal Cancer
Murcia O, Jover R, Egoavil C, Perez-Carbonell L, Juárez M, Hernández-Illán E, Rojas E, Alenda C, Balaguer F, Andreu M, Llor X, Castells A, Boland CR, Goel A. TFAP2E Methylation and Expression Status Does Not Predict Response to 5-FU-based Chemotherapy in Colorectal Cancer. Clinical Cancer Research 2018, 24: 2820-2827. PMID: 29535127, PMCID: PMC7396148, DOI: 10.1158/1078-0432.ccr-17-2940.Peer-Reviewed Original ResearchConceptsColorectal cancerProtein expressionClinic-based trialsStage IV patientsAdvanced colorectal cancerDisease-free survivalColorectal cancer patientsPredictors of responseClin Cancer ResColorectal cancer samplesIV patientsMulticenter cohortMethylation statusPatient cohortCancer patientsIHC analysisIHC stainingPatientsStage IICancer ResChemotherapyCancerCancer samplesCohortHypermethylation status
2016
Candidate predisposing germline copy number variants in early onset colorectal cancer patients
Brea-Fernandez AJ, Fernandez-Rozadilla C, Alvarez-Barona M, Azuara D, Ginesta MM, Clofent J, de Castro L, Gonzalez D, Andreu M, Bessa X, Llor X, Xicola R, Jover R, Castells A, Castellvi-Bel S, Capella G, Carracedo A, Ruiz-Ponte C. Candidate predisposing germline copy number variants in early onset colorectal cancer patients. Clinical And Translational Oncology 2016, 19: 625-632. PMID: 27888432, DOI: 10.1007/s12094-016-1576-z.Peer-Reviewed Original ResearchMeSH KeywordsAge of OnsetColorectal NeoplasmsDNA Copy Number VariationsDNA MethylationDNA Mutational AnalysisGenetic Predisposition to DiseaseGenetic VariationGenome-Wide Association StudyHumansIntercellular Signaling Peptides and ProteinsLoss of HeterozygosityNerve Tissue ProteinsReal-Time Polymerase Chain ReactionConceptsColorectal cancerEarly-onset colorectal cancer patientsEarly-onset CRC patientsMethods/patientsWeColorectal cancer patientsHereditary colorectal cancerIdentifiable germline mutationsCopy number variantsPenetrant copy number variantsSomatic mutation analysisCRC patientsGenome-wide copy number analysisCancer patientsReal-time quantitative PCRMultiplex ligation probe amplificationCRC tumorsColorectal carcinogenesisLoss of heterozygosityPatientsSLIT2 geneGenetic susceptibilityDuplex real-time quantitative PCREarly onsetGermline mutationsConclusionsThese findings
2015
Prevalence of MLH1 constitutional epimutations as a cause of Lynch syndrome in unselected versus selected consecutive series of patients with colorectal cancer
Castillejo A, Hernández-Illán E, Rodriguez-Soler M, Pérez-Carbonell L, Egoavil C, Barberá VM, Castillejo MI, Guarinos C, Martínez-de-Dueñas E, Juan MJ, Sánchez-Heras AB, García-Casado Z, Ruiz-Ponte C, Brea-Fernández A, Juárez M, Bujanda L, Clofent J, Llor X, Andreu M, Castells A, Carracedo A, Alenda C, Payá A, Jover R, Soto JL. Prevalence of MLH1 constitutional epimutations as a cause of Lynch syndrome in unselected versus selected consecutive series of patients with colorectal cancer. Journal Of Medical Genetics 2015, 52: 498. PMID: 25908759, DOI: 10.1136/jmedgenet-2015-103076.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingBase SequenceColorectal Neoplasms, Hereditary NonpolyposisDNA MethylationDNA Mismatch RepairEpigenesis, GeneticGenetic TestingHumansMicrosatellite RepeatsMolecular Sequence DataMutationMutL Protein Homolog 1Nuclear ProteinsPrevalencePromoter Regions, GeneticSequence Analysis, DNAStatistics, NonparametricConceptsColorectal cancerMLH1 expressionConstitutional epimutationsMultiplex ligation-dependent probe amplificationLigation-dependent probe amplificationMethylation-specific multiplex ligation-dependent probe amplificationDiagnosis of CRCConstitutional MLH1 methylationSeries of patientsMismatch repair genesProbe amplificationBethesda guidelinesConsecutive seriesUnselected seriesLynch syndromeUnselected casesUnselected groupGeneral populationUnselected populationPatientsMLH1 methylationNegligible prevalenceGermline alterationsPrevalenceMLH1 epimutations
2014
Prevalence of somatic mutl homolog 1 promoter hypermethylation in Lynch syndrome colorectal cancer
Moreira L, Muñoz J, Cuatrecasas M, Quintanilla I, Leoz ML, Carballal S, Ocaña T, López‐Cerón M, Pellise M, Castellví‐Bel S, Jover R, Andreu M, Carracedo A, Xicola RM, Llor X, Boland CR, Goel A, Castells A, Balaguer F. Prevalence of somatic mutl homolog 1 promoter hypermethylation in Lynch syndrome colorectal cancer. Cancer 2014, 121: 1395-1404. PMID: 25557234, PMCID: PMC10508888, DOI: 10.1002/cncr.29190.Peer-Reviewed Original ResearchIGFBP3 Methylation Is a Novel Diagnostic and Predictive Biomarker in Colorectal Cancer
Perez-Carbonell L, Balaguer F, Toiyama Y, Egoavil C, Rojas E, Guarinos C, Andreu M, Llor X, Castells A, Jover R, Boland CR, Goel A. IGFBP3 Methylation Is a Novel Diagnostic and Predictive Biomarker in Colorectal Cancer. PLOS ONE 2014, 9: e104285. PMID: 25127039, PMCID: PMC4134211, DOI: 10.1371/journal.pone.0104285.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorColorectal NeoplasmsCpG IslandsDNA MethylationFemaleHumansInsulin-Like Growth Factor Binding Protein 3Intestinal MucosaMaleMicrosatellite InstabilityMicrosatellite RepeatsMiddle AgedMutationNeoplasm StagingPrognosisPromoter Regions, GeneticProto-Oncogene Proteins B-rafTreatment OutcomeConceptsCRC patientsColorectal cancerPredictive biomarkersStage IICRC cohortPoor disease-free survivalDisease-free survivalIndependent risk factorPopulation-based cohortPotential clinical significancePromising diagnostic biomarkerFree survivalRisk factorsColonic tumorsCRC-specific genesClinical significanceNormal mucosaCancer-related genesPatientsDiagnostic biomarkersTumor tissueBiomarkersCohortCancerHuman cancersMultiple Sporadic Colorectal Cancers Display a Unique Methylation Phenotype
Gonzalo V, Lozano JJ, Alonso-Espinaco V, Moreira L, Muñoz J, Pellisé M, Castellví-Bel S, Bessa X, Andreu M, Xicola RM, Llor X, Ruiz-Ponte C, Carracedo A, Jover R, Castells A, Balaguer F, . Multiple Sporadic Colorectal Cancers Display a Unique Methylation Phenotype. PLOS ONE 2014, 9: e91033. PMID: 24643221, PMCID: PMC3958343, DOI: 10.1371/journal.pone.0091033.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overColorectal NeoplasmsCpG IslandsDNA MethylationEpigenesis, GeneticFemaleGene Expression Regulation, NeoplasticGenome-Wide Association StudyGenotypeHumansMaleMiddle AgedNeoplasms, Multiple PrimaryPhenotypeProto-Oncogene ProteinsProto-Oncogene Proteins B-rafProto-Oncogene Proteins p21(ras)Ras ProteinsConceptsMultiple colorectal cancersColorectal cancerSporadic colorectal cancerMultiple tumorsCpG island methylator phenotypeSolitary tumorTumor multiplicityMismatch repair deficiency statusSynchronous colorectal cancerMethylation phenotypeCIMP-high tumorsDNA methylation profilingDNA hypermethylationBRAF mutationsDeficiency statusSignificant DNA hypermethylationTumorsTumor samplesMethylation profilingMethyLight assayTumor pairsMethylator phenotypeCpG sitesFunctional annotation clusteringPatients
2012
A High Degree of LINE-1 Hypomethylation Is a Unique Feature of Early-Onset Colorectal Cancer
Antelo M, Balaguer F, Shia J, Shen Y, Hur K, Moreira L, Cuatrecasas M, Bujanda L, Giraldez MD, Takahashi M, Cabanne A, Barugel ME, Arnold M, Roca EL, Andreu M, Castellvi-Bel S, Llor X, Jover R, Castells A, Boland CR, Goel A. A High Degree of LINE-1 Hypomethylation Is a Unique Feature of Early-Onset Colorectal Cancer. PLOS ONE 2012, 7: e45357. PMID: 23049789, PMCID: PMC3458035, DOI: 10.1371/journal.pone.0045357.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAdenomaAdultAge of OnsetArgentinaCase-Control StudiesColorectal NeoplasmsColorectal Neoplasms, Hereditary NonpolyposisDNA GlycosylasesDNA MethylationDNA-Binding ProteinsFemaleGene ExpressionGerm-Line MutationHumansLong Interspersed Nucleotide ElementsMaleMicrosatellite InstabilityMiddle AgedMutL Protein Homolog 1MutS Homolog 3 ProteinNuclear ProteinsProto-Oncogene Proteins B-rafSpainSurvival AnalysisUnited StatesConceptsEarly-onset colorectal cancerColorectal cancerLINE-1 methylationLINE-1 hypomethylationLynch syndrome colorectal cancersMismatch repair protein expressionSomatic BRAF V600E mutationNormal colonic mucosa samplesBetter overall survivalCancer-related mortalityMean LINE-1 methylation levelGermline MUTYH mutationsSporadic colorectal cancerRepair protein expressionColonic mucosa samplesMicrosatellite instability statusDistinct molecular subtypesBRAF V600E mutationLINE-1 methylation levelsLower LINE-1 methylationOverall survivalCRC tissuesMethylation statusPoor prognosisLynch syndromeDefectos de la metilación del ADN en el cáncer colorrectal esporádico y hereditario
Xicola RM, Llor X. Defectos de la metilación del ADN en el cáncer colorrectal esporádico y hereditario. Gastroenterología Y Hepatología 2012, 35: 480-487. PMID: 22459641, DOI: 10.1016/j.gastrohep.2012.01.010.BooksMeSH KeywordsAdenocarcinomaAdenomaAnticarcinogenic AgentsAntineoplastic AgentsBiomarkersCell Transformation, NeoplasticClonal EvolutionColorectal NeoplasmsCpG IslandsDietDNA MethylationDNA, NeoplasmDrug DesignFolic AcidGenes, NeoplasmGenes, Tumor SuppressorGenome-Wide Association StudyHumansIncidenceMolecular Targeted TherapyMutationNeoplastic Syndromes, HereditaryPolyphenolsSeleniumConceptsMethylation defectsFundamental epigenetic mechanismCrucial cell functionsExpression of genesEpigenetic mechanismsDNA methylationGene analysisMethylationMethylation processCancer developmentCell functionDevelopment of chemotherapyEffect of dietGenesColorectal carcinogenesisAntineoplastic activity
2011
Comparison between universal molecular screening for Lynch syndrome and revised Bethesda guidelines in a large population-based cohort of patients with colorectal cancer
Pérez-Carbonell L, Ruiz-Ponte C, Guarinos C, Alenda C, Payá A, Brea A, Egoavil CM, Castillejo A, Barberá VM, Bessa X, Xicola RM, Rodríguez-Soler M, Sánchez-Fortún C, Acame N, Castellví-Bel S, Piñol V, Balaguer F, Bujanda L, De-Castro ML, Llor X, Andreu M, Carracedo A, Soto JL, Castells A, Jover R. Comparison between universal molecular screening for Lynch syndrome and revised Bethesda guidelines in a large population-based cohort of patients with colorectal cancer. Gut 2011, 61: 865. PMID: 21868491, DOI: 10.1136/gutjnl-2011-300041.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAdultAgedAged, 80 and overColorectal NeoplasmsColorectal Neoplasms, Hereditary NonpolyposisDNA MethylationDNA Mismatch RepairFemaleGenetic Carrier ScreeningGenetic TestingGerm-Line MutationHumansImmunohistochemistryMaleMicrosatellite InstabilityMiddle AgedMutL Protein Homolog 1MutS Homolog 2 ProteinNuclear ProteinsPractice Guidelines as TopicConceptsColorectal cancerLynch syndromeBethesda criteriaGenetic testingBethesda guidelinesMSH6 expressionLarge population-based cohortSelection of patientsPopulation-based cohortMMR proteinsMMR gene mutationsMMR protein expressionLoss of MLH1Microsatellite instability analysisGermline MLH1Routine molecular screeningLoss of expressionMutation carriersMSH2 stainingPatientsMSH2 mutationsLarge seriesMSI tumorsPMS2 expressionTumor tissue
2010
5-Fluorouracil Adjuvant Chemotherapy Does Not Increase Survival in Patients With CpG Island Methylator Phenotype Colorectal Cancer
Jover R, Nguyen T, Pérez–Carbonell L, Zapater P, Payá A, Alenda C, Rojas E, Cubiella J, Balaguer F, Morillas JD, Clofent J, Bujanda L, Reñé JM, Bessa X, Xicola RM, Nicolás–Pérez D, Castells A, Andreu M, Llor X, Boland CR, Goel A. 5-Fluorouracil Adjuvant Chemotherapy Does Not Increase Survival in Patients With CpG Island Methylator Phenotype Colorectal Cancer. Gastroenterology 2010, 140: 1174-1181. PMID: 21185836, PMCID: PMC3073650, DOI: 10.1053/j.gastro.2010.12.035.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAntimetabolites, AntineoplasticChemotherapy, AdjuvantCohort StudiesColorectal NeoplasmsCpG IslandsDisease-Free SurvivalDNA MethylationFemaleFluorouracilFollow-Up StudiesHumansKaplan-Meier EstimateMaleMiddle AgedPhenotypePredictive Value of TestsPrognosisProportional Hazards ModelsConceptsCpG island methylator phenotypeCIMP-positive tumorsAdjuvant chemotherapyColorectal cancerCIMP statusColorectal tumorsIndependent predictorsStage IITNM stage IIDisease-free survivalOnly independent predictorPopulation-based cohortResponse of patientsMedian followChemotherapySurvival timePatientsMLH1 promoterMultivariate analysisTumorsAbstractTextMicrosatellite instabilityCIMP-negative tumorsDFSMethylator phenotypeMethylation Analysis of MLH1 Improves the Selection of Patients for Genetic Testing in Lynch Syndrome
Pérez-Carbonell L, Alenda C, Payá A, Castillejo A, Barberá VM, Guillén C, Rojas E, Acame N, Gutiérrez-Aviñó FJ, Castells A, Llor X, Andreu M, Soto JL, Jover R. Methylation Analysis of MLH1 Improves the Selection of Patients for Genetic Testing in Lynch Syndrome. Journal Of Molecular Diagnostics 2010, 12: 498-504. PMID: 20489114, PMCID: PMC2893635, DOI: 10.2353/jmoldx.2010.090212.Peer-Reviewed Original ResearchConceptsSelection of patientsBRAF V600E mutationV600E mutationGenetic testingLynch syndromeMLH1 mutationsColorectal cancer patientsNegative colorectal cancerMLH1-negative colorectal cancersMLH1 methylation statusGermline MLH1 mutationMLH1 protein expressionInactivation of MLH1MS-MLPAColorectal cancerCancer patientsBRAF mutationsExclusion criteriaPatientsCorresponding patientsMLH1 methylationSporadic originTumor DNAGermline mutationsProtein expressionAberrant DNA Methylation in Hereditary Nonpolyposis Colorectal Cancer Without Mismatch Repair Deficiency
Goel A, Xicola RM, Nguyen T, Doyle BJ, Sohn VR, Bandipalliam P, Rozek LS, Reyes J, Cordero C, Balaguer F, Castells A, Jover R, Andreu M, Syngal S, Boland CR, Llor X. Aberrant DNA Methylation in Hereditary Nonpolyposis Colorectal Cancer Without Mismatch Repair Deficiency. Gastroenterology 2010, 138: 1854-1862.e1. PMID: 20102720, PMCID: PMC2859993, DOI: 10.1053/j.gastro.2010.01.035.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAdultAgedAged, 80 and overBase SequenceBasic Helix-Loop-Helix Transcription FactorsColorectal Neoplasms, Hereditary NonpolyposisCore Binding Factor Alpha 3 SubunitDNA MethylationDNA Mismatch RepairEpigenesis, GeneticFemaleGene Expression Regulation, NeoplasticGenetic Predisposition to DiseaseGenomic InstabilityHumansLong Interspersed Nucleotide ElementsMaleMicrosatellite RepeatsMiddle AgedMolecular Sequence DataMutationMutL Protein Homolog 1Nerve Tissue ProteinsNuclear ProteinsPedigreePhenotypeProto-Oncogene ProteinsProto-Oncogene Proteins B-rafProto-Oncogene Proteins p21(ras)Ras ProteinsSpainSuppressor of Cytokine Signaling 1 ProteinSuppressor of Cytokine Signaling ProteinsUnited StatesConceptsHereditary nonpolyposis colorectal cancerNonpolyposis colorectal cancerHNPCC tumorsMismatch repair deficiencyColorectal cancerMicrosatellite instabilityGermline mismatch repair (MMR) gene mutationsLynch syndrome cancersMismatch repair gene mutationsRepair deficiencyBest diagnostic approachBRAF mutation statusRepair gene mutationsSporadic microsatellite instabilityV600E BRAF mutationLINE-1 methylationSyndrome cancersAmsterdam criteriaLynch syndromeKRAS mutationsTreatment responseBRAF mutationsHigh indexTumor behaviorCarcinogenic pathwaysAberrant Gene Promoter Methylation Associated with Sporadic Multiple Colorectal Cancer
Gonzalo V, Lozano JJ, Muñoz J, Balaguer F, Pellisé M, de Miguel C, Andreu M, Jover R, Llor X, Giráldez MD, Ocaña T, Serradesanferm A, Alonso-Espinaco V, Jimeno M, Cuatrecasas M, Sendino O, Castellví-Bel S, Castells A, . Aberrant Gene Promoter Methylation Associated with Sporadic Multiple Colorectal Cancer. PLOS ONE 2010, 5: e8777. PMID: 20098741, PMCID: PMC2808250, DOI: 10.1371/journal.pone.0008777.Peer-Reviewed Original ResearchConceptsSolitary tumorSporadic CRCTumor multiplicityGene promoter methylationInflammatory bowel diseaseMultiple colorectal cancersPrevention of patientsPromoter methylationLogistic regression analysisBinomial logistic regression analysisQuantitative methylation-specific PCRAberrant gene promoter methylationCancer multiplicitySolitary CRCBowel diseasePrimary CRCColorectal cancerMultiple lesionsColorectal mucosaLynch syndromeMethylation-specific PCRPolyposis syndromeKey tumor suppressor genesHereditary syndromesExclusion criteria
2009
Utility of p16 Immunohistochemistry for the Identification of Lynch Syndrome
Payá A, Alenda C, Pérez-Carbonell L, Rojas E, Soto J, Guillén C, Castillejo A, Barberá V, Carrato A, Castells A, Llor X, Andreu M, Koh J, Enders GH, Benlloch S, Jover R. Utility of p16 Immunohistochemistry for the Identification of Lynch Syndrome. Clinical Cancer Research 2009, 15: 3156-3162. PMID: 19383812, PMCID: PMC2825754, DOI: 10.1158/1078-0432.ccr-08-3116.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingColorectal Neoplasms, Hereditary NonpolyposisCyclin-Dependent Kinase Inhibitor p16DNA MethylationEpigenesis, GeneticFemaleGerm-Line MutationHumansImmunoenzyme TechniquesMaleMiddle AgedMutL Protein Homolog 1Neoplasm ProteinsNuclear ProteinsPrognosisProto-Oncogene Proteins B-rafConceptsP16 immunohistochemistryLynch syndromeP16 expressionGermline mutationsMLH1 expressionMLH1 methylationGenetic testingSelection of patientsMLH1 germline mutationsGood surrogate markerMajority of tumorsPathogenic germline mutationsBRAF V600E mutationColorectal cancerSurrogate markerReal-time PCRBRAF mutationsMismatch repair proteinsNormal stainingMLH1 promoterV600E mutationSignificant associationImmunohistochemistryTumor tissueTumors
2006
Cyclooxygenase 2 Expression in Colorectal Cancer with DNA Mismatch Repair Deficiency
Castells A, Payá A, Alenda C, Rodríguez-Moranta F, Agrelo R, Andreu M, Piñol V, Castellví-Bel S, Jover R, Llor X, Pons E, Elizalde JI, Bessa X, Alcedo J, Saló J, Medina E, Naranjo A, Esteller M, Piqué J, Association F. Cyclooxygenase 2 Expression in Colorectal Cancer with DNA Mismatch Repair Deficiency. Clinical Cancer Research 2006, 12: 1686-1692. PMID: 16551850, DOI: 10.1158/1078-0432.ccr-05-1581.Peer-Reviewed Original ResearchConceptsMMR-deficient colorectal cancerCOX-2 overexpressionCOX-2 expressionHereditary nonpolyposis colorectal cancerColorectal cancer patientsColorectal cancerGerm-line mutationsCancer patientsMLH1 expressionSporadic tumorsNonsteroidal anti-inflammatory drugsCOX-2 protein expressionDefective mismatch repair systemAmsterdam II criteriaDNA mismatch repair deficiencySubset of patientsAnti-inflammatory drugsCyclooxygenase-2 expressionCyclooxygenase-2 (COX-2) overexpressionNonpolyposis colorectal cancerMismatch repair deficiencyLack of responseMulticenter studyPatientsMSH2 expression