2002
Coexpression of Wild-Type Tyrosinase Enhances Maturation of Temperature-Sensitive Tyrosinase Mutants
Halaban R, Cheng E, Hebert DN. Coexpression of Wild-Type Tyrosinase Enhances Maturation of Temperature-Sensitive Tyrosinase Mutants. Journal Of Investigative Dermatology 2002, 119: 481-488. PMID: 12190874, DOI: 10.1046/j.1523-1747.2002.01824.x.Peer-Reviewed Original ResearchConceptsWild-type proteinTyrosinase mutantsMutant proteinsGlycosylation-deficient mutantsGlycosylation-deficient formsOculocutaneous albinism 1Wild-type tyrosinaseDevelopment of pigmentsDifferent mutant allelesType I membraneActivity-dependent mannerNonpermissive temperatureMutant allelesEndoplasmic reticulumTypes of mutationsMutantsFunction mutationsCarbohydrate processingMelanin synthesisProteinCoexpressionMelanocytesTyrosinase activityMutationsMaturationCOMMENTARY Pigmentation in Melanomas: Changes Manifesting Underlying Oncogenic and Metabolic Activities
Halaban R. COMMENTARY Pigmentation in Melanomas: Changes Manifesting Underlying Oncogenic and Metabolic Activities. Oncology Research Featuring Preclinical And Clinical Cancer Therapeutics 2002, 13: 3-8. PMID: 12201672, DOI: 10.3727/096504002108747908.Peer-Reviewed Original ResearchConceptsMelanocyte-specific gene expressionTranscription factor MITFDownregulation of tyrosinaseEpigenetic levelV-ATPaseRate-limiting enzymeTranscriptional activityGene expressionAcidified microenvironmentsAmelanotic melanoma cellsC-MycActivity of tyrosinaseEnhanced glycolysisMelanin synthesisExtracellular acidificationMelanoma tumorsTYR activityMelanoma cellsMetabolic activityPigmentationAnaerobic conditionsTyrosinase activityMetastatic melanocytic lesionsMetabolic changesTyrosinase
2000
Proper Folding and Endoplasmic Reticulum to Golgi Transport of Tyrosinase Are Induced by Its Substrates, DOPA and Tyrosine*
Halaban R, Cheng E, Svedine S, Aron R, Hebert D. Proper Folding and Endoplasmic Reticulum to Golgi Transport of Tyrosinase Are Induced by Its Substrates, DOPA and Tyrosine*. Journal Of Biological Chemistry 2000, 276: 11933-11938. PMID: 11124258, DOI: 10.1074/jbc.m008703200.Peer-Reviewed Original ResearchConceptsWild-type tyrosinaseEndoplasmic reticulumProper foldingWild-type proteinMelanoma cellsLoss of pigmentationTyrosinase-positive melanoma cellsGolgi transportType proteinAlbino mutantS proteasomeSubsequent retranslocationMutant formsCatalytic stateEnzymatic activityProteolytic degradationNative formReticulumFoldingProteinTumor-derived antigenic peptidesTyrosinase activitySuppress tyrosinase activityCellsMetabolic changes
1993
met and HGF-SF in normal melanocytes and melanoma cells.
Halaban R, Rubin J, White W. met and HGF-SF in normal melanocytes and melanoma cells. 1993, 65: 329-39. PMID: 8380740.Peer-Reviewed Original ResearchConceptsHGF-SFFactor-dependent cellsMelanoma cellsNormal human melanocytesSignal transductionMouse melanocytesTumorigenic phenotypeHuman melanocytesHuman melanoma cellsNormal melanocytesAutocrine loopMelanocytesHuman melanomaMalignant conversionMelanin contentTyrosinase activityEctopic sitesCellsSynergistic factorExpressionBFGFERK2TransductionPhosphorylationProtein
1983
Regulation of tyrosinase in human melanocytes grown in culture.
Halaban R, Pomerantz S, Marshall S, Lambert D, Lerner A. Regulation of tyrosinase in human melanocytes grown in culture. Journal Of Cell Biology 1983, 97: 480-488. PMID: 6411733, PMCID: PMC2112541, DOI: 10.1083/jcb.97.2.480.Peer-Reviewed Original ResearchConceptsHuman melanocytesApparent molecular weightMalignant human melanocytesTyrosinase activityMajor biochemical eventsExpression of tyrosinaseSynthesis of melaninRegulation of tyrosinasePosttranslational modificationsImmunoprecipitation experimentsO-glycosylationBiochemical eventsNormal melanocytesMelanocytesMolecular weightProteinEnzymeTyrosinaseTunicamycinAbundanceActivityRegulationHigh levelsLow levelsCulture
1978
Phenylalanine hydroxylase in melanoma cells
Breakefield X, Castiglione C, Halaban R, Pawelek J, Shiman R. Phenylalanine hydroxylase in melanoma cells. Journal Of Cellular Physiology 1978, 94: 307-314. PMID: 23386, DOI: 10.1002/jcp.1040940308.Peer-Reviewed Original ResearchConceptsPhenylalanine hydroxylase activityHydroxylase activityMelanoma cellsMelanoma cell extractsS91 melanoma cellsCloudman S91 melanoma cellsP-chlorophenylalanineTyrosine hydroxylasePhenylalanine hydroxylaseTryptophan hydroxylaseHydroxylaseConversion of phenylalanineSensitive assayTyrosinase activityCellsLiver phenylalanine hydroxylaseCell extractsSodium dodecyl sulfate-polyacrylamide gel electrophoresisDodecyl sulfate-polyacrylamide gel electrophoresisSulfate-polyacrylamide gel electrophoresisLatter activityActivity
1977
The dual effect of melanocyte-stimulating hormone (MSH) on the growth of cultured mouse melanoma cells
Halaban R, Lerner A. The dual effect of melanocyte-stimulating hormone (MSH) on the growth of cultured mouse melanoma cells. Experimental Cell Research 1977, 108: 111-117. PMID: 196867, DOI: 10.1016/s0014-4827(77)80016-5.Peer-Reviewed Original ResearchConceptsMelanocyte stimulating hormoneMouse melanoma cellsMelanoma cellsInhibition of growthTyrosinase activityIntracellular levelsRate of proliferationExogenous adenosineLow tyrosinase activityCyclic monophosphateHormoneDual effectHigh tyrosinase activityStimulationCellsActivation of tyrosinaseInhibitionStimulation of growthCulture mediumToxic substancesTyrosinase and inhibition of proliferation of melanoma cells and fibroblasts
Halaban R, Lerner A. Tyrosinase and inhibition of proliferation of melanoma cells and fibroblasts. Experimental Cell Research 1977, 108: 119-125. PMID: 408156, DOI: 10.1016/s0014-4827(77)80017-7.Peer-Reviewed Original Research
1975
Melanoma cells resistant to inhibition of growth by melanocyte stimulating hormone.
Pawelek J, Sansone M, Koch N, Christie G, Halaban R, Hendee J, Lerner A, Varga J. Melanoma cells resistant to inhibition of growth by melanocyte stimulating hormone. Proceedings Of The National Academy Of Sciences Of The United States Of America 1975, 72: 951-955. PMID: 165495, PMCID: PMC432441, DOI: 10.1073/pnas.72.3.951.Peer-Reviewed Original Research