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
Rapid, 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 products
1996
Detection 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 cells
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
1993
Prognostic significance of K-ras mutations in colorectal carcinoma
Benhattar J, Losi L, Chaubert P, Givel J, Costa J. Prognostic significance of K-ras mutations in colorectal carcinoma. Gastroenterology 1993, 104: 1044-1048. PMID: 8462792, DOI: 10.1016/0016-5085(93)90272-e.Peer-Reviewed Original ResearchConceptsK-ras mutationsPrognostic significanceColorectal carcinomaK-ras geneRecurrent diseaseCodon 12Good prognostic factorAdvanced colorectal carcinomaPossible prognostic significanceHuman colorectal carcinomaPolymerase chain reaction-based techniquesDukes' BPrognostic factorsColorectal cancerPrimary tumorOverall prevalenceHigh riskPatientsRas mutationsCarcinomaHuman tumorsTumorsDiseasePrevalenceGGT
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