2019
Aberrant splicing contributes to severe α-spectrin-linked congenital hemolytic anemia
Gallagher PG, Maksimova Y, Lezon-Geyda K, Newburger PE, Medeiros D, Hanson RD, Rothman J, Israels S, Wall DA, Sidonio RF, Sieff C, Gowans LK, Mittal N, Rivera-Santiago R, Speicher DW, Baserga SJ, Schulz VP. Aberrant splicing contributes to severe α-spectrin-linked congenital hemolytic anemia. Journal Of Clinical Investigation 2019, 129: 2878-2887. PMID: 31038472, PMCID: PMC6597203, DOI: 10.1172/jci127195.Peer-Reviewed Original ResearchConceptsRecessive hereditary spherocytosisSplice acceptor siteHuman genetic diseasesMRNA stability studiesAberrant splicing contributesSplicing contributesWhole-genome sequencingSplicing analysisHereditary pyropoikilocytosisTermination codonNull allelesGenome sequencingWhole-exome sequencingBranch pointsNumerous mutationsGenetic diseasesLinkage disequilibriumMRNA transcriptsΑ-spectrinMinigene studiesAcceptor sitesMutationsExome sequencingNew targets
2018
Pklr Intron Splicing-Associated Mutations and Alternate Diagnoses Are Common in Pyruvate Kinase Deficient Patients with Single or No Pklr Coding Mutations
Lezon-Geyda K, Rose M, McNaull M, Knoll C, Yaish H, Pastore Y, Fermi E, Glader B, Bianchi P, Grace R, Gallagher P. Pklr Intron Splicing-Associated Mutations and Alternate Diagnoses Are Common in Pyruvate Kinase Deficient Patients with Single or No Pklr Coding Mutations. Blood 2018, 132: 3607. DOI: 10.1182/blood-2018-99-117805.Peer-Reviewed Original ResearchWhole-genome sequencingPyruvate kinase-deficient patientsSplice siteDonor splice sitePyruvate kinasePK-deficient patientsGenome sequencingPKLR geneSequence analysisWhole-exome sequencingIntron mutationsDominant negative phenotypeExon 7Exon 10Detailed sequence analysisPyruvate kinase geneDisease-associated variantsRare genetic variantsNormal mRNA processingSplice acceptor siteRegion mutationsIntron retentionErythroid promoterGenome databasePremature chain termination
2015
Mutations in the Gardos channel (KCNN4) are associated with hereditary xerocytosis
Glogowska E, Lezon-Geyda K, Maksimova Y, Schulz VP, Gallagher PG. Mutations in the Gardos channel (KCNN4) are associated with hereditary xerocytosis. Blood 2015, 126: 1281-1284. PMID: 26198474, PMCID: PMC4566808, DOI: 10.1182/blood-2015-07-657957.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAmino Acid SubstitutionAnemia, Hemolytic, CongenitalBase SequenceDNA Mutational AnalysisExomeFemaleGenes, DominantGenetic Association StudiesHeterozygoteHumansHydrops FetalisIntermediate-Conductance Calcium-Activated Potassium ChannelsIon ChannelsMaleMolecular Sequence DataMutation, MissensePedigreeSequence Homology, Amino AcidConceptsErythrocyte volume homeostasisAutosomal dominant hemolytic anemiaPotassium channel proteinHereditary xerocytosisHeterozygous mutationsChannel proteinsWhole-exome sequencingKCNN4 geneSame residuesSegregation analysisDisease phenotypeMutationsCellular dehydrationChannel mutationsGardos channelHX patientsDifferent mutationsCritical rolePiezo1XerocytosisWater lossVolume homeostasisChannel inactivationRecent studiesDeoxy conditions
2014
Assessment of HbF QTLs Affecting Disease Severity and Genetic Analysis in Patients Homozygous for Codon 8 (–AA) β0-Thalassemia Mutation
Jiang Z, Huang S, Luo H, Akar N, Basak A, Al-Allawi N, Unal S, Gumruk F, Davis L, Morrison T, Campbell A, Gallagher P, Forget B, Steinberg M, Chui D. Assessment of HbF QTLs Affecting Disease Severity and Genetic Analysis in Patients Homozygous for Codon 8 (–AA) β0-Thalassemia Mutation. Blood 2014, 124: 2690. DOI: 10.1182/blood.v124.21.2690.2690.Peer-Reviewed Original ResearchQuantitative trait lociGene clusterIntergenic regionHbF quantitative trait lociΓ-globin gene expressionKb intergenic regionSevere phenotypeMild phenotypeHBS1L-MYB intergenic regionΒ-globin gene clusterGenome-wide SNP arraysMild disease phenotypeDisease phenotypeMinor alleleWhole-genome sequencingTrait lociHPFH mutationNovel SNPsGenetic analysisSNP arrayGene expressionΒ-hemoglobinopathiesGenome sequencingQTL genotypesWhole-exome sequencing