2018
KLF1 E325K-associated Congenital Dyserythropoietic Anemia Type IV
Ravindranath Y, Johnson RM, Goyette G, Buck S, Gadgeel M, Gallagher PG. KLF1 E325K-associated Congenital Dyserythropoietic Anemia Type IV. Journal Of Pediatric Hematology/Oncology 2018, 40: e405-e409. PMID: 29300242, PMCID: PMC6092092, DOI: 10.1097/mph.0000000000001056.Peer-Reviewed Original ResearchConceptsCongenital dyserythropoietic anemia type IVClinical courseSevere clinical courseType IVSevere clinical phenotypeIV patientsFetal anemiaTransfusion dependenceFunctional abnormalitiesClinical phenotypePatientsHematologic phenotypeChildrenErythrocyte membranesPhenotypeSplenectomyAnemiaComplete sex reversalFetalisAbnormalities
2017
Novel mechanisms of PIEZO1 dysfunction in hereditary xerocytosis
Glogowska E, Schneider ER, Maksimova Y, Schulz VP, Lezon-Geyda K, Wu J, Radhakrishnan K, Keel SB, Mahoney D, Freidmann AM, Altura RA, Gracheva EO, Bagriantsev SN, Kalfa TA, Gallagher PG. Novel mechanisms of PIEZO1 dysfunction in hereditary xerocytosis. Blood 2017, 130: 1845-1856. PMID: 28716860, PMCID: PMC5649553, DOI: 10.1182/blood-2017-05-786004.Peer-Reviewed Original ResearchConceptsHereditary xerocytosisMembrane protein traffickingNext-generation sequencing-based techniquesSequencing-based techniquesMembrane protein expressionProtein traffickingFunction phenotypesCell biologyOsmotic stressWild typePIEZO1 variantsFunctional assaysNovel mechanismGenetic heterogeneityMutationsProtein expressionErythrocyte hydrationXerocytosisVivo systemTraffickingPartial gainPhenotypeChannel inactivationCation permeabilityCongenital hemolytic anemia
2011
Loss-of-function and gain-of-function phenotypes of stomatocytosis mutant RhAG F65S
Stewart AK, Shmukler BE, Vandorpe DH, Rivera A, Heneghan JF, Li X, Hsu A, Karpatkin M, O'Neill AF, Bauer DE, Heeney MM, John K, Kuypers FA, Gallagher PG, Lux SE, Brugnara C, Westhoff CM, Alper SL. Loss-of-function and gain-of-function phenotypes of stomatocytosis mutant RhAG F65S. American Journal Of Physiology - Cell Physiology 2011, 301: c1325-c1343. PMID: 21849667, PMCID: PMC3233792, DOI: 10.1152/ajpcell.00054.2011.Peer-Reviewed Original ResearchConceptsMM bathCation currentBath additionBath exposureOocyte studiesExpression increasesStrong hyperpolarizationFunction mutationsIntracellular pHElevated NaMembrane potentialOocytesDistinct cellular responsesFunction phenotypesInfluxPhenotypeCellular responsesAmine transportDistinct mechanismsElicit distinct cellular responsesPatients