2017
Genetic Evidence for Erythrocyte Receptor Glycophorin B Expression Levels Defining a Dominant Plasmodium falciparum Invasion Pathway into Human Erythrocytes
Dankwa S, Chaand M, Kanjee U, Jiang RHY, Nobre LV, Goldberg JM, Bei AK, Moechtar MA, Grüring C, Ahouidi AD, Ndiaye D, Dieye TN, Mboup S, Weekes MP, Duraisingh MT. Genetic Evidence for Erythrocyte Receptor Glycophorin B Expression Levels Defining a Dominant Plasmodium falciparum Invasion Pathway into Human Erythrocytes. Infection And Immunity 2017, 85: 10.1128/iai.00074-17. PMID: 28760933, PMCID: PMC5607420, DOI: 10.1128/iai.00074-17.Peer-Reviewed Original ResearchConceptsInvasion pathwaysGlycophorin CGlycophorin BExpression levelsShort hairpin RNA transductionLigand-receptor interactionsErythroid progenitor cellsKnockout linesGenetic evidenceBioinformatics analysisKnockdown cellsProteomic profilingTranscript levelsMultiple proteinsHuman erythrocytesExtensive variationParasite invasionProgenitor cellsInvasion ligandsB expression levelsLaboratory strainsGPC receptorsCulture-adapted strainsPathwayReceptor usage
2013
Inhibitory Humoral Responses to the Plasmodium falciparum Vaccine Candidate EBA-175 Are Independent of the Erythrocyte Invasion Pathway
Badiane AS, Bei AK, Ahouidi AD, Patel SD, Salinas N, Ndiaye D, Sarr O, Ndir O, Tolia NH, Mboup S, Duraisingh MT. Inhibitory Humoral Responses to the Plasmodium falciparum Vaccine Candidate EBA-175 Are Independent of the Erythrocyte Invasion Pathway. MSphere 2013, 20: 1238-1245. PMID: 23761656, PMCID: PMC3754519, DOI: 10.1128/cvi.00135-13.Peer-Reviewed Original ResearchConceptsEnzyme-linked immunosorbent assayEBA-175Human antibodiesAffinity-purified human antibodiesBlood-stage vaccine candidateParasite strainsSialic acid-dependent mannerParasite invasionPresence of antibodiesErythrocyte-binding domainMultiple ligand-receptor interactionsEx vivo assaysPooled patient plasmaSenegalese parasitesAlternative invasion pathwaysHumoral responseVaccine candidatesPatient plasmaSenegalese patientsLigand-receptor interactionsClinical isolatesInvasion inhibitionVaccine designEx vivoFunctional inhibition
2011
Basigin is a receptor essential for erythrocyte invasion by Plasmodium falciparum
Crosnier C, Bustamante LY, Bartholdson SJ, Bei AK, Theron M, Uchikawa M, Mboup S, Ndir O, Kwiatkowski DP, Duraisingh MT, Rayner JC, Wright GJ. Basigin is a receptor essential for erythrocyte invasion by Plasmodium falciparum. Nature 2011, 480: 534-537. PMID: 22080952, PMCID: PMC3245779, DOI: 10.1038/nature10606.Peer-Reviewed Original ResearchConceptsPlasmodium falciparum merozoitesInvasion of erythrocytesMalaria infectionFalciparum merozoitesAntimalarial therapeuticsP. falciparumBlood stagesPlasmodium falciparumErythrocyte invasionParasite invasionInvasionFalciparumReceptor essentialField strainsBasiginErythrocytesPfRH5VaccineInfectionAntibodies
2010
In Vitro Genetic Analysis of an Erythrocyte Determinant of Malaria Infection
Bei AK, Brugnara C, Duraisingh MT. In Vitro Genetic Analysis of an Erythrocyte Determinant of Malaria Infection. The Journal Of Infectious Diseases 2010, 202: 1722-1727. PMID: 20958212, PMCID: PMC3107553, DOI: 10.1086/657157.Peer-Reviewed Original ResearchConceptsGenetic analysisErythrocyte determinantsSystematic functional analysisDirect genetic analysisErythrocyte biologyInvasion of erythrocytesIsogenic backgroundP. falciparum invasionGene expressionFunctional analysisParasite invasionObligatory stepLentiviral transductionHost receptorsGlycophorin ALife cyclePlasmodium falciparumCulture systemInvasionMalaria infectionUnambiguous identificationTransductionBiologyParasitesErythrocytesA flow cytometry‐based assay for measuring invasion of red blood cells by Plasmodium falciparum
Bei AK, DeSimone TM, Badiane AS, Ahouidi AD, Dieye T, Ndiaye D, Sarr O, Ndir O, Mboup S, Duraisingh MT. A flow cytometry‐based assay for measuring invasion of red blood cells by Plasmodium falciparum. American Journal Of Hematology 2010, 85: 234-237. PMID: 20196166, PMCID: PMC3089760, DOI: 10.1002/ajh.21642.Peer-Reviewed Original ResearchConceptsParasite invasionMalaria parasite Plasmodium falciparumParasite Plasmodium falciparumPlasmodium falciparumFlow cytometry-based assayParasite multiplication rateFlow cytometry-based methodParasite developmentCytometry-based assayCytometry-based methodRed blood cellsDisease severityDye SYBR Green IRing stageVariable invasionMultiplication rateBlood cellsInvasionSYBR Green IHuman erythrocytesFalciparumGreen IImportant determinantErythrocytesParasitemia