2002
Semireannealing, Single-Stranded Conformational Polymorphism: A Novel and Effective Tool for the Diagnosis of T-Cell Clonality
Crisi G, Emanuel J, Johnson C, Crotty P, Costa J, Tallini G. Semireannealing, Single-Stranded Conformational Polymorphism: A Novel and Effective Tool for the Diagnosis of T-Cell Clonality. Applied Immunohistochemistry & Molecular Morphology 2002, 11: 67-74. PMID: 12045709, DOI: 10.1097/00019606-200206000-00002.Peer-Reviewed Original ResearchMeSH KeywordsBase SequenceClone CellsDNA, NeoplasmElectrophoresis, CapillaryElectrophoresis, Polyacrylamide GelGene RearrangementHumansLymph NodesLymphoma, B-CellLymphoma, T-CellMolecular Sequence DataNucleic Acid ConformationPolymerase Chain ReactionPolymorphism, Single-Stranded ConformationalPseudolymphomaReceptors, Antigen, T-Cell, gamma-deltaSequence AlignmentSequence Analysis, DNA
2001
Multiplex Detection of Hotspot Mutations by Rolling Circle-Enabled Universal Microarrays
Ladner D, Leamon J, Hamann S, Tarafa G, Strugnell T, Dillon D, Lizardi P, Costa J. Multiplex Detection of Hotspot Mutations by Rolling Circle-Enabled Universal Microarrays. Laboratory Investigation 2001, 81: 1079-1086. PMID: 11502859, DOI: 10.1038/labinvest.3780320.Peer-Reviewed Original ResearchRapid, Efficient Genotyping of Clinical Tumor Samples by Laser-Capture Microdissection/PCR/SSCP
Dillon D, Zheng K, Costa J. Rapid, Efficient Genotyping of Clinical Tumor Samples by Laser-Capture Microdissection/PCR/SSCP. Experimental And Molecular Pathology 2001, 70: 195-200. PMID: 11417998, DOI: 10.1006/exmp.2001.2362.Peer-Reviewed Original ResearchConceptsLaser capture microdissectionP53 exons 5PCR/SSCPTumor genotypingPure tumor cell populationsSSCP/sequencingSurgical pathology reportsRoutine clinical useClinical tumor samplesExon 5Colorectal adenocarcinomaTherapeutic responsePathology reportsTumor cell populationLaser-microdissected samplesClinical practiceTumor samplesClinical useSporadic mutationsExon 1Molecular analysisCell populationsDirect sequencingMutation analysisPCR productsDetection of the Mutated K-Ras Biomarker in Colorectal Carcinoma
Doolittle B, Emanuel J, Tuttle C, Costa J. Detection of the Mutated K-Ras Biomarker in Colorectal Carcinoma. Experimental And Molecular Pathology 2001, 70: 289-301. PMID: 11418008, DOI: 10.1006/exmp.2001.2364.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkers, TumorColorectal NeoplasmsDeoxyribonuclease EcoRIDNADNA, NeoplasmFecesGenes, rasHumansIndicators and ReagentsMutationPolymerase Chain ReactionPolymorphism, Single-Stranded ConformationalQuaternary Ammonium CompoundsReference ValuesReproducibility of ResultsSite-Specific DNA-Methyltransferase (Adenine-Specific)Trimethyl Ammonium CompoundsConceptsColorectal carcinomaStool samplesHealthy patientsK-rasReliable screening testDouble-blind formatK-ras mutationsWild-type K-rasK-ras oncogeneK-ras sequencesCommon malignancyCRC tumorsPolymerase chain reactionEarly lesionsStool DNANoninvasive screenScreening testTumor tissueGenetic biomarkersHuman stoolPatientsEarly detectionHigh false positive rateSingle-strand conformation polymorphismTissue DNA
2000
The utility of Ki-ras mutation analysis in the cytologic diagnosis of pancreatobiliary neoplasma.
Dillon DA, Johnson CC, Topazian MD, Tallini G, Rimm DL, Costa JC. The utility of Ki-ras mutation analysis in the cytologic diagnosis of pancreatobiliary neoplasma. The Cancer Journal 2000, 6: 294-301. PMID: 11079168.Peer-Reviewed Original ResearchConceptsFine needle aspiratesBile duct brushingsCytologic diagnosisPositive predictive valueCommon bile duct brushingsDuct brushingsPancreatobiliary carcinomaPredictive valueMutation patternsBiliary tract carcinomaPrevious retrospective studyAvailable clinical informationConsecutive clinical specimensDefinitive cytologic diagnosisPolymerase chain reaction/single-strand conformation polymorphism analysisRoutine cytologic diagnosisPositive cytologyRetrospective studySuspicious morphologyCytologic evaluationSuspicious cytologyPancreatobiliary tractClinical informationMorphologic diagnosisNeoplastic cells
1999
Analysis of K-ras, N-ras, H-ras, and p53 in Lung Neuroendocrine Neoplasms
Couce M, Bautista D, Costa J, Carter D. Analysis of K-ras, N-ras, H-ras, and p53 in Lung Neuroendocrine Neoplasms. Applied Immunohistochemistry & Molecular Morphology 1999, 8: 71-79. PMID: 10475381, DOI: 10.1097/00019606-199906000-00003.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAllelesDNA Mutational AnalysisExonsFemaleGenes, rasHumansImmunohistochemistryLung NeoplasmsMaleMiddle AgedMutation, MissenseNeuroendocrine TumorsPoint MutationPolymerase Chain ReactionPolymorphism, GeneticPolymorphism, Single-Stranded ConformationalRetrospective StudiesTumor Suppressor Protein p53ConceptsLarge cell neuroendocrine carcinomaPulmonary neuroendocrine tumorsAtypical carcinoidNeuroendocrine tumorsTypical carcinoidP53 geneK-rasCell neuroendocrine carcinomaSingle-strand conformation polymorphismHigh-grade tumorsHigh-grade carcinomaH-ras mutationsLung neuroendocrine neoplasmsN-rasK-ras mutationsH-RasExon 5Neuroendocrine carcinomaPolymerase chain reactionNeuroendocrine neoplasmsPositive immunostainingGenotypic mutationsN-ras geneTumors
1996
Highly Sensitive Nonradioactive Single-strand Conformational Polymorphism
Emanuel J, Damico C, Ahn S, Bautista D, Costa J. Highly Sensitive Nonradioactive Single-strand Conformational Polymorphism. Applied Immunohistochemistry & Molecular Morphology 1996, 5: 260-264. PMID: 8955617, DOI: 10.1097/00019606-199612000-00006.Peer-Reviewed Original ResearchIdentification of mutations in the Ki-ras gene in human retinoblastoma.
Bautista D, Emanuel J, Granville C, Howard R, Costa J. Identification of mutations in the Ki-ras gene in human retinoblastoma. Investigative Ophthalmology & Visual Science 1996, 37: 2313-7. PMID: 8843915.Peer-Reviewed Original ResearchConceptsKi-ras geneKi-rasIdentification of mutationsSelective growth advantageGenomic sequencesSingle-strand conformation polymorphismGrowth advantageTumor cell populationGenesExon 1Ki-ras mutationsMutationsExon 2Cell populationsConformation polymorphismHuman retinoblastomaClonal mutationsDirect sequencingPolymerase chain reactionTumor samplesLight microscopyMutational statusChain reactionRetinoblastomaOncogeneDetection of rare circulating human colon tumor cells in a nude mouse xenograft model
Pages J, Sordat B, Bautista D, Costa J, Benhattar J. Detection of rare circulating human colon tumor cells in a nude mouse xenograft model. Cancer Letters 1996, 106: 139-144. PMID: 8827058, DOI: 10.1016/0304-3835(96)04319-4.Peer-Reviewed Original ResearchConceptsHuman colon tumor cellsTumor cellsColon tumor cellsSensitive allele-specific polymerase chain reactionExperimental modelNude mouse xenograft modelK-ras mutationsMouse xenograft modelAllele-specific polymerase chain reactionK-ras geneLymph nodesPrimary implantationSpecific polymerase chain reactionHuman colon carcinoma cellsMicrometastatic depositsPolymerase chain reactionColon carcinoma cellsXenograft modelNude miceGAT mutationMetastatic processCarcinoma cellsBloodChain reactionOccurrence of cellsPicoGreen Quantitation of DNA: Effective Evaluation of Samples Pre-or Psost-PCR
Ahn S, Costa J, Emanuel J. PicoGreen Quantitation of DNA: Effective Evaluation of Samples Pre-or Psost-PCR. Nucleic Acids Research 1996, 24: 2623-2625. PMID: 8692708, PMCID: PMC145983, DOI: 10.1093/nar/24.13.2623.Peer-Reviewed Original Research
1995
Improved Polymerase Chain Reaction Detection of Clonal T-Cell Lymphoid Neoplasms
Benhattar J, Delacretaz F, Martin P, Chaubert P, Costa J. Improved Polymerase Chain Reaction Detection of Clonal T-Cell Lymphoid Neoplasms. Applied Immunohistochemistry & Molecular Morphology 1995, 4: 108-112. PMID: 7551290, DOI: 10.1097/00019606-199506000-00006.Peer-Reviewed Original Research
1994
K-ras mutations and p53 alterations in neoplastic and nonneoplastic lesions associated with longstanding ulcerative colitis.
Chaubert P, Benhattar J, Saraga E, Costa J. K-ras mutations and p53 alterations in neoplastic and nonneoplastic lesions associated with longstanding ulcerative colitis. American Journal Of Pathology 1994, 144: 767-75. PMID: 8160776, PMCID: PMC1887244.Peer-Reviewed Original ResearchConceptsK-ras mutationsLongstanding ulcerative colitisUlcerative colitisP53 alterationsActive colitisDysplastic lesionsK-rasGenetic alterationsP53 gene alterationsP53 genetic alterationsCombination of immunohistochemistryK-ras geneNonneoplastic lesionsColorectal carcinomaInvasive carcinomaColonic carcinomaDysplastic mucosaEpithelial lesionsInvasive tumorsColitisSame patientCarcinomaSporadic carcinomasLesionsNontumor samples
1992
Induction of apoptosis by wild-type p53 in a human colon tumor-derived cell line.
Shaw P, Bovey R, Tardy S, Sahli R, Sordat B, Costa J. Induction of apoptosis by wild-type p53 in a human colon tumor-derived cell line. Proceedings Of The National Academy Of Sciences Of The United States Of America 1992, 89: 4495-4499. PMID: 1584781, PMCID: PMC49109, DOI: 10.1073/pnas.89.10.4495.Peer-Reviewed Original ResearchStability of K-ras mutations throughout the natural history of human colorectal cancer
Losi L, Benhattar J, Costa J. Stability of K-ras mutations throughout the natural history of human colorectal cancer. European Journal Of Cancer 1992, 28: 1115-1120. PMID: 1627381, DOI: 10.1016/0959-8049(92)90468-h.Peer-Reviewed Original ResearchConceptsK-ras mutationsPrimary tumorRas mutationsNatural historyColorectal cancerTumor markersStable tumor markerHuman colorectal cancerDistant recurrenceRecurrent cancerRecurrent tumorsPolymerase chain reactionColorectal carcinomaCodon 12TumorsArchival tissueCancerChain reactionAllele-specific amplificationPatientsRecurrenceMarkersMutationsCarcinomaDisease
1991
Squamous Cell Carcinoma of the Lung in a Nonsmoking, Nonirradiated Patient with Juvenile Laryngotracheal Papillomatosis
Guillou L, Sahli R, Chaubert P, Monnier P, Cuttat J, Costa J. Squamous Cell Carcinoma of the Lung in a Nonsmoking, Nonirradiated Patient with Juvenile Laryngotracheal Papillomatosis. The American Journal Of Surgical Pathology 1991, 15: 891-898. PMID: 1659237, DOI: 10.1097/00000478-199109000-00010.Peer-Reviewed Original ResearchMeSH KeywordsAdultCarcinoma, Squamous CellDNA, ViralHumansLaryngeal NeoplasmsLung NeoplasmsMaleNeoplasms, Multiple PrimaryPapillomaviridaePolymerase Chain ReactionTracheal NeoplasmsConceptsSquamous cell carcinomaMalignant transformationLaryngotracheal papillomatosisJuvenile papillomatosisCell carcinomaPrevious radiation therapySquamous cell papillomasHost immune responseSpontaneous malignant transformationPeribronchial lymphPulmonary infectionSmoking historyCell papillomasImmune responsePostmortem examinationChest wallRadiation therapyViral infectionPapillomatosisCarcinomaPatientsLungInfectionMolecular studiesLymph