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
Multiple 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
2010
Aberrant 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 ResearchMeSH KeywordsAgedAged, 80 and overColorectal NeoplasmsDNA MethylationEpigenesis, GeneticFemaleHumansMaleMiddle AgedPromoter Regions, GeneticRegression AnalysisConceptsSolitary 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