2019
Identification and transcriptome analysis of erythroblastic island macrophages
Li W, Wang Y, Zhao H, Zhang H, Xu Y, Wang S, Guo X, Huang Y, Zhang S, Han Y, Wu X, Rice CM, Huang G, Gallagher PG, Mendelson A, Yazdanbakhsh K, Liu J, Chen L, An X. Identification and transcriptome analysis of erythroblastic island macrophages. Blood 2019, 134: 480-491. PMID: 31101625, PMCID: PMC6676133, DOI: 10.1182/blood.2019000430.Peer-Reviewed Original ResearchConceptsErythroblastic islandsEBI macrophagesErythroid cellsErythroblastic island macrophagesGene expression profilesTranscriptome analysisNonerythroid cellsMacrophage functionHematopoietic nicheExpression profilesSpecialized functionsCentral macrophageKnockin mouse modelFlow cytometry analysisEpoRKey moleculesIron recyclingBone marrowCytometry analysisFetal liverNicheEfficient erythropoiesisErythropoiesisIron sourceImportant resource
2017
Molecular basis of tactile specialization in the duck bill
Schneider ER, Anderson EO, Mastrotto M, Matson JD, Schulz VP, Gallagher PG, LaMotte RH, Gracheva EO, Bagriantsev SN. Molecular basis of tactile specialization in the duck bill. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: 13036-13041. PMID: 29109250, PMCID: PMC5724259, DOI: 10.1073/pnas.1708793114.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAvian ProteinsBeakChickensCloning, MolecularDucksEmbryo, NonmammalianGene ExpressionGenetic VectorsHEK293 CellsHumansIon ChannelsKineticsMechanoreceptorsMechanotransduction, CellularMicePatch-Clamp TechniquesRecombinant ProteinsRNA, Small InterferingSequence Homology, Amino AcidSpecies SpecificityTouchTouch PerceptionTrigeminal GanglionConceptsMolecular basisHeterologous expression systemSpecialist birdsMouse orthologPiezo2 ion channelsTactile specializationExpression systemDuck billMolecular characterizationIon channelsFeeding behaviorEdible matterPiezo2BirdsElectrophysiological characterizationSlow inactivation kineticsOrthologsVertebratesMechanoMechanotransductionKnockdownInactivation kineticsMurky watersHigh densityNeurons
2012
Mutations in the mechanotransduction protein PIEZO1 are associated with hereditary xerocytosis
Zarychanski R, Schulz VP, Houston BL, Maksimova Y, Houston DS, Smith B, Rinehart J, Gallagher PG. Mutations in the mechanotransduction protein PIEZO1 are associated with hereditary xerocytosis. Blood 2012, 120: 1908-1915. PMID: 22529292, PMCID: PMC3448561, DOI: 10.1182/blood-2012-04-422253.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnemia, Hemolytic, CongenitalBase SequenceDNA Mutational AnalysisErythroid CellsExomeFamily HealthFemaleGene ExpressionGenetic Predisposition to DiseaseGenotypeHumansHydrops FetalisIon ChannelsMaleMass SpectrometryMechanotransduction, CellularMolecular Sequence DataMutationPedigreeProteomicsReverse Transcriptase Polymerase Chain ReactionConceptsPiezo proteinsErythrocyte volume homeostasisAutosomal dominant hemolytic anemiaHereditary xerocytosisPiezo familyMammalian cellsTransduction channelsCell mRNADiscovery proteomicsPIEZO1 mutationsGenetic diseasesSegregation analysisDisease phenotypeMutationsLinkage studiesHuman erythrocyte membranesProteinExome sequencingNumber analysisNovel mutationsPiezo1DNA levelsXerocytosisFirst reportVolume homeostasis
2010
Mutation of a barrier insulator in the human ankyrin-1 gene is associated with hereditary spherocytosis
Gallagher PG, Steiner LA, Liem RI, Owen AN, Cline AP, Seidel NE, Garrett LJ, Bodine DM. Mutation of a barrier insulator in the human ankyrin-1 gene is associated with hereditary spherocytosis. Journal Of Clinical Investigation 2010, 120: 4453-4465. PMID: 21099109, PMCID: PMC2993586, DOI: 10.1172/jci42240.Peer-Reviewed Original ResearchConceptsAnkyrin-1 geneBarrier insulatorsTransgenic miceUpstream regionErythroid promoterChromatin configurationGene promoterErythroid cellsHereditary spherocytosisPotential pathogenetic mechanismsHuman ankyrin-1 geneHuman erythroid cell lineBarrier-associated proteinsErythroid cell linesPathogenetic mechanismsCommon causeUniform expressionNucleotide substitutionsRegion upstreamPromoter actsHuman diseasesPromoterCell linesPrimary cellsGenes
2008
Structural and functional effects of hereditary hemolytic anemia-associated point mutations in the alpha spectrin tetramer site
Gaetani M, Mootien S, Harper S, Gallagher PG, Speicher DW. Structural and functional effects of hereditary hemolytic anemia-associated point mutations in the alpha spectrin tetramer site. Blood 2008, 111: 5712-5720. PMID: 18218854, PMCID: PMC2424163, DOI: 10.1182/blood-2007-11-122457.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnemia, Hemolytic, CongenitalBinding SitesCalorimetry, Differential ScanningCircular DichroismEntropyErythrocytesGene ExpressionGenotypeHumansMolecular Sequence DataPhenotypePoint MutationProtein BindingRecombinant ProteinsSpectrinSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationStructure-Activity Relationship
2005
GATA-1 and Oct-1 Are Required for Expression of the Human α-Hemoglobin-stabilizing Protein Gene*
Gallagher PG, Liem RI, Wong E, Weiss MJ, Bodine DM. GATA-1 and Oct-1 Are Required for Expression of the Human α-Hemoglobin-stabilizing Protein Gene*. Journal Of Biological Chemistry 2005, 280: 39016-39023. PMID: 16186125, DOI: 10.1074/jbc.m506062200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceBinding SitesBlood ProteinsCell LineCloning, MolecularDNA, ComplementaryErythropoiesisGATA1 Transcription FactorGene ExpressionGlobinsHeLa CellsHumansMiceMice, TransgenicMolecular ChaperonesMolecular Sequence DataMutationOctamer Transcription Factor-1Promoter Regions, GeneticRecombinant ProteinsRNA, MessengerConceptsAlpha-hemoglobin-stabilizing proteinGATA-1AHSP promoterAHSP genePromoter/reporter plasmidsGel mobility shift assaysAHSP gene expressionChromatin immunoprecipitation assaysErythroid-specific expressionMobility shift assaysFurther genetic studiesHuman tissue culture cell linesErythroid proteinTissue culture cell linesErythroid promoterNonerythroid tissuesProtein geneImmunoprecipitation assaysRegulatory elementsShift assaysGene promoterReporter geneCandidate genesDNase IGene expressionA novel splicing mutation of the α-spectrin gene in the original hereditary pyropoikilocytosis kindred
Costa DB, Lozovatsky L, Gallagher PG, Forget BG. A novel splicing mutation of the α-spectrin gene in the original hereditary pyropoikilocytosis kindred. Blood 2005, 106: 4367-4369. PMID: 16150946, PMCID: PMC1895230, DOI: 10.1182/blood-2005-05-1813.Peer-Reviewed Original ResearchConceptsFrame premature termination codonsRed blood cell membrane skeletonCell membrane skeletonΑ-spectrin geneHereditary pyropoikilocytosisPremature termination codonConsensus splice sitesTissue culture cellsNovel splicing mutationMembrane skeletonIntronic fragmentTermination codonGene transcriptsAlpha-spectrinAbnormal splicingSplice siteStructural variantsGene transferMolecular defectsSplicing mutationCulture cellsAllelesExon 22TranscriptsMutations
2001
Development of a Stable Retrovirus Vector Capable of Long‐Term Expression of γ‐Globin mRNA in Mouse Erythrocytes
SABATINO D, SEIDEL N, CLINE A, ANDERSON S, GALLAGHER P, BODINE D. Development of a Stable Retrovirus Vector Capable of Long‐Term Expression of γ‐Globin mRNA in Mouse Erythrocytes. Annals Of The New York Academy Of Sciences 2001, 938: 246-261. PMID: 11458514, DOI: 10.1111/j.1749-6632.2001.tb03595.x.Peer-Reviewed Original ResearchConceptsGamma-globin geneLocus control regionGamma-globin mRNARetrovirus vectorHematopoietic stem cellsGene promoterHuman gamma-globin geneMouse alpha-globin mRNAGlobin gene promoterAlpha-globin mRNAStem cellsMature red blood cellsNumber-dependent expressionMouse progenitor cellsΓ-globin mRNAGlobin genesControl regionLevel of expressionStable gene transferGenesGene transferPromoterProgenitor cellsGene therapyMRNA
1996
A nonsense mutation in the erythrocyte band 3 gene associated with decreased mRNA accumulation in a kindred with dominant hereditary spherocytosis.
Jenkins PB, Abou-Alfa GK, Dhermy D, Bursaux E, Féo C, Scarpa AL, Lux SE, Garbarz M, Forget BG, Gallagher PG. A nonsense mutation in the erythrocyte band 3 gene associated with decreased mRNA accumulation in a kindred with dominant hereditary spherocytosis. Journal Of Clinical Investigation 1996, 97: 373-380. PMID: 8567957, PMCID: PMC507027, DOI: 10.1172/jci118425.Peer-Reviewed Original ResearchConceptsBand 3 geneCytoplasmic domainNonsense mutationGenomic DNABand 3 cytoplasmic domainErythrocyte band 3 geneErythrocyte membrane mechanical stabilityEntire transmembrane domainBand 3Membrane mechanical stabilityBand 3 proteinTransmembrane domainNucleotide sequenceRT-PCRFamily membersStudy of erythrocytesMRNA accumulationSequence analysisAnion transport studiesBand 3 defectsTypical hereditary spherocytosisHS mutationsReticulocyte RNAUnaffected family membersRNA
1995
Structure, Organization, and Expression of the Human Band 7.2b Gene, a Candidate Gene for Hereditary Hydrocytosis (∗)
Gallagher P, Forget B. Structure, Organization, and Expression of the Human Band 7.2b Gene, a Candidate Gene for Hereditary Hydrocytosis (∗). Journal Of Biological Chemistry 1995, 270: 26358-26363. PMID: 7592848, DOI: 10.1074/jbc.270.44.26358.Peer-Reviewed Original ResearchMeSH Keywords3T3 CellsAmino Acid SequenceAnemia, HemolyticAnimalsBase SequenceBlood ProteinsBlotting, NorthernCell LineConsensus SequenceDNA PrimersDNA, ComplementaryExonsGene ExpressionGenetic VariationHominidaeHumansIntronsLeukemia, Erythroblastic, AcuteMembrane ProteinsMiceMolecular Sequence DataPolymerase Chain ReactionPolymorphism, GeneticPromoter Regions, GeneticRecombinant Fusion ProteinsRegulatory Sequences, Nucleic AcidRestriction MappingRNA, MessengerTransfectionTumor Cells, CulturedConceptsSingle transcription initiation siteSimple sequence repeat polymorphismKilobases of DNATranscription initiation siteAlternative polyadenylation signalsFurther genetic studiesHigh-level expressionNorthern blot analysisPattern of expressionWide tissue distributionGenomic structureRich promoterNonerythroid cellsChromosomal genesPolyadenylation signalMembrane skeletonGene cDNAGene promoterReporter geneCandidate genesRecognition sequenceGenetic studiesInitiation siteGenesBase pairs
1992
Large numbers of alternatively spliced isoforms of the regulatory region of human erythrocyte ankyrin.
Gallagher PG, Tse WT, Scarpa AL, Lux SE, Forget BG. Large numbers of alternatively spliced isoforms of the regulatory region of human erythrocyte ankyrin. Proceedings Of The Association Of American Physicians 1992, 105: 268-77. PMID: 1309004.Peer-Reviewed Original Research