2001
Detection 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
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
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