2005
Molecular mechanisms in the inherited red cell membrane disorders
Liem R, Gallagher P. Molecular mechanisms in the inherited red cell membrane disorders. Drug Discovery Today Disease Mechanisms 2005, 2: 539-545. DOI: 10.1016/j.ddmec.2005.11.004.Peer-Reviewed Original ResearchRed cell membrane disordersSingle molecular defectEpigenetic controlMRNA processingProtein functionGene expressionMolecular mechanismsMolecular defectsErythrocyte membrane structureRed cell membrane abnormalitiesMembrane structureMolecular medicineMutationsMembrane disordersDiverse groupCurrent knowledgeGenesRegion mutationsMolecular heterogeneityPromoter mutationsCell membrane abnormalitiesErythrocyte membranesInherited disorderMembrane abnormalitiesProteinA 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
2004
A Position +5 Intronic Mutation in the α-Spectrin Gene Is Associated with Marked Deficiency of α-Spectrin Production in the First Reported Cases of Hereditary Pyropoikilocytosis.
Costa D, Gallagher P, Forget B. A Position +5 Intronic Mutation in the α-Spectrin Gene Is Associated with Marked Deficiency of α-Spectrin Production in the First Reported Cases of Hereditary Pyropoikilocytosis. Blood 2004, 104: 576. DOI: 10.1182/blood.v104.11.576.576.Peer-Reviewed Original Research
1996
Epidemiological studies of spectrin mutations related to hereditary elliptocytosis and spectrin polymorphisms in Benin
Glele‐Kakai C, Garbarz M, Lecomte M, Leborgne S, Galand C, Bournier O, Devaux I, Gautero H, Zohoun I, Gallagher P, Forget B, Dhermy D. Epidemiological studies of spectrin mutations related to hereditary elliptocytosis and spectrin polymorphisms in Benin. British Journal Of Haematology 1996, 95: 57-66. PMID: 8857939, DOI: 10.1046/j.1365-2141.1996.d01-1869.x.Peer-Reviewed Original ResearchConceptsHereditary elliptocytosisGenetic backgroundAlpha-spectrin geneSeparate genetic backgroundsNumber of polymorphismsErythrocyte alpha-spectrinGenetic basisProtein polymorphismsAfrican populationsAlpha-spectrinSpectrin mutationsMolecular defectsMutationsNovel mutationsPolymorphismEpidemiological studiesHE individualsElliptocytosisTwo-thirdsGenesSpectrinPopulationHigh frequency
1995
Recurrent fatal hydrops fetalis associated with a nucleotide substitution in the erythrocyte beta-spectrin gene.
Gallagher PG, Weed SA, Tse WT, Benoit L, Morrow JS, Marchesi SL, Mohandas N, Forget BG. Recurrent fatal hydrops fetalis associated with a nucleotide substitution in the erythrocyte beta-spectrin gene. Journal Of Clinical Investigation 1995, 95: 1174-1182. PMID: 7883966, PMCID: PMC441455, DOI: 10.1172/jci117766.Peer-Reviewed Original ResearchConceptsBeta-spectrin geneErythrocyte membrane mechanical stabilityPrincipal structural proteinMembrane mechanical stabilitySpectrin functionBeta spectrinErythrocyte membranesNucleotide substitutionsStudy of erythrocytesStructural proteinsAlpha-spectrinGenetic studiesMolecular defectsPoint mutationsSpectrinHydrops fetalisRecombinant peptideMutationsGenesSevere Coomb's negative hemolytic anemiaThird-trimester fetal loss
1991
Spectrin Rouen (beta 220-218), a novel shortened beta-chain variant in a kindred with hereditary elliptocytosis. Characterization of the molecular defect as exon skipping due to a splice site mutation.
Garbarz M, Tse WT, Gallagher PG, Picat C, Lecomte MC, Galibert F, Dhermy D, Forget BG. Spectrin Rouen (beta 220-218), a novel shortened beta-chain variant in a kindred with hereditary elliptocytosis. Characterization of the molecular defect as exon skipping due to a splice site mutation. Journal Of Clinical Investigation 1991, 88: 76-81. PMID: 2056132, PMCID: PMC296005, DOI: 10.1172/jci115307.Peer-Reviewed Original ResearchConceptsBeta-spectrin chainBeta-spectrin geneCDNA amplification productsAmino acidsExon YGenomic DNANucleotide sequencingExample of exonMolecular defectsAnalysis of cDNAAmplification productsHereditary elliptocytosisConsensus splice sitesNovel amino acidCarboxy terminusIntron downstreamSplice siteSplice site mutationSouthern blotExonsExon skipReticulocyte RNACDNAPenultimate exonSite mutation