2005
PTCH codon 1315 polymorphism and risk for nonmelanoma skin cancer
Asplund A, Gustafsson AC, Wikonkal NM, Sela A, Leffell DJ, Kidd K, Lundeberg J, Brash DE, Pontén F. PTCH codon 1315 polymorphism and risk for nonmelanoma skin cancer. British Journal Of Dermatology 2005, 152: 868-873. PMID: 15888139, DOI: 10.1111/j.1365-2133.2005.06464.x.Peer-Reviewed Original ResearchMeSH KeywordsCarcinoma, Basal CellCarcinoma, Squamous CellCodonGenetic Predisposition to DiseaseGenotypeHair ColorHumansLoss of HeterozygosityNeoplasm ProteinsPatched ReceptorsPatched-1 ReceptorPilot ProjectsPolymerase Chain ReactionPolymorphism, Single NucleotideReceptors, Cell SurfaceSkin NeoplasmsSkin PigmentationConceptsPro/Pro genotypeNonmelanoma skin cancerBasal cell carcinomaPTCH tumor suppressor geneSquamous cell carcinomaAllele frequency variationAllelic loss studiesTumor suppressor genePro genotypeSingle nucleotide polymorphismsAllelic lossGenomic DNANonrandom lossSuppressor geneCell carcinomaSwedish patientsEpithelial cell cancersLight pigmentationSkin cancerNucleotide polymorphismsMultiple basal cell carcinomasPro/LeuHuman populationPTCH geneAllele frequencies
1996
Frequent clones of p53-mutated keratinocytes in normal human skin
Jonason A, Kunala S, Price G, Restifo R, Spinelli H, Persing J, Leffell D, Tarone R, Brash D. Frequent clones of p53-mutated keratinocytes in normal human skin. Proceedings Of The National Academy Of Sciences Of The United States Of America 1996, 93: 14025-14029. PMID: 8943054, PMCID: PMC19488, DOI: 10.1073/pnas.93.24.14025.Peer-Reviewed Original ResearchConceptsP53-mutated keratinocytesNormal individualsSun-shielded skinSun-exposed skinNormal human skinHuman skinWhole-mount preparationsP53-mutated cellsCancer predictsDermal-epidermal junctionSubstantial burdenFrequent clonesClonal expansionHair folliclesGenetic hitsTumor promoterSkinKeratinocytesCellsThe role of the human homologue of Drosophila patched in sporadic basal cell carcinomas
Gailani M, Ståhle-Bäckdahl M, Leffell D, Glyn M, Zaphiropoulos P, Undén A, Dean M, Brash D, Bale A, Toftgård R. The role of the human homologue of Drosophila patched in sporadic basal cell carcinomas. Nature Genetics 1996, 14: 78-81. PMID: 8782823, DOI: 10.1038/ng0996-78.Peer-Reviewed Original ResearchConceptsSporadic basal cell carcinomasSingle-strand conformational polymorphismTumor suppressorDrosophila segment polarity geneSegment polarity genesHedgehog target genesPolarity genesDrosophila mutantsStrong homologyHuman homologueTarget genesMutational inactivationMutant transcriptsStrand conformational polymorphismNorthern blotSSCP variantsGenesNegative feedback mechanismSitu hybridizationConformational polymorphismNevoid basal cell carcinoma syndromeSuppressorAllelic lossInactivationMutationsTumor Suppressor Gene Mutations and Photocarcinogenesis
Ziegler A, Jonason A, Simon J, Leffell D, Brash DE. Tumor Suppressor Gene Mutations and Photocarcinogenesis. Photochemistry And Photobiology 1996, 63: 432-435. PMID: 8934758, DOI: 10.1111/j.1751-1097.1996.tb03064.x.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsRelationship Between Sunlight Exposure and a Key Genetic Alteration in Basal Cell Carcinoma
Gailani M, Leffell D, Ziegler A, Gross E, Brash D, Bale A. Relationship Between Sunlight Exposure and a Key Genetic Alteration in Basal Cell Carcinoma. Journal Of The National Cancer Institute 1996, 88: 349-354. PMID: 8609643, DOI: 10.1093/jnci/88.6.349.Peer-Reviewed Original ResearchConceptsBasal cell carcinomaLoss of heterozygosityCell carcinomaP53 geneSunlight exposureExact testGenetic alterationsPathogenesis of BCCSun-exposed areasFrequency of LOHMohs micrographic surgical techniqueEnvironmental agentsLocation of tumorFisher's exact testSkin cancer patientsKey genetic alterationsUVB radiationChi-squared analysisFrequent genetic alterationsLimited associationSpecific environmental agentsBCC incidenceTumor characteristicsCancer patientsCommon cancer