2016
Ancient human sialic acid variant restricts an emerging zoonotic malaria parasite
Dankwa S, Lim C, Bei AK, Jiang RH, Abshire JR, Patel SD, Goldberg JM, Moreno Y, Kono M, Niles JC, Duraisingh MT. Ancient human sialic acid variant restricts an emerging zoonotic malaria parasite. Nature Communications 2016, 7: 11187. PMID: 27041489, PMCID: PMC4822025, DOI: 10.1038/ncomms11187.Peer-Reviewed Original ResearchConceptsInvasion ligandsSialic acid-independent pathwaysHuman RBCsZoonotic malaria parasiteAbsence of Neu5GcPlasmodium knowlesiMalaria parasitesCell surface receptorsN-glycolylneuraminic acidZoonotic parasitesSialic acid variantsSurface receptorsRBCsReceptorsNeu5GcMacaquesInvasionParasitesCMAHAcetylneuraminic acidAcid variantsHumansMalariaKnowlesi
2015
Malaria Vaccine Development: Focusing Field Erythrocyte Invasion Studies on Phenotypic Diversity The West African Merozoite Invasion Network (WAMIN)
: T, Ahouidi AD, Amambua-Ngwa A, Awandare GA, Bei AK, Conway DJ, Diakite M, Duraisingh MT, Rayner JC, Zenonos ZA. Malaria Vaccine Development: Focusing Field Erythrocyte Invasion Studies on Phenotypic Diversity The West African Merozoite Invasion Network (WAMIN). Trends In Parasitology 2015, 32: 274-283. PMID: 26725306, PMCID: PMC7021314, DOI: 10.1016/j.pt.2015.11.009.Peer-Reviewed Original ResearchConceptsVaccine candidatesBlood-stage vaccine candidatePromising vaccine targetPlasmodium falciparum merozoitesRelevant evidence baseFalciparum merozoitesVaccine targetsEvidence baseErythrocyte invasionStandardized assaysParasite survivalInvasion phenotypeInvasion studiesTrue extentField isolatesInvasionMost studiesLigands differsMeasuring Plasmodium falciparum Erythrocyte Invasion Phenotypes Using Flow Cytometry
Bei AK, Duraisingh MT. Measuring Plasmodium falciparum Erythrocyte Invasion Phenotypes Using Flow Cytometry. Methods In Molecular Biology 2015, 1325: 167-186. PMID: 26450388, DOI: 10.1007/978-1-4939-2815-6_14.Peer-Reviewed Original ResearchConceptsPlasmodium falciparum merozoite invasionParasite multiplication rateErythrocyte invasion phenotypesInvasion of erythrocytesFlow cytometry methodVaccine mechanismDisease severityInvasion inhibitionEx vivoFlow cytometryMerozoite invasionCytometry methodRing stageInvasion phenotypeInvasionResearch settingsVivoImportant determinantLow levelsAlternative pathwayParasitesParasitemia
2012
Functional analysis of erythrocyte determinants of Plasmodium infection
Bei AK, Duraisingh MT. Functional analysis of erythrocyte determinants of Plasmodium infection. International Journal For Parasitology 2012, 42: 575-582. PMID: 22726752, PMCID: PMC3383627, DOI: 10.1016/j.ijpara.2012.03.006.Peer-Reviewed Original ResearchConceptsFunctional analysisErythrocyte determinantsObligate intracellular pathogensPlasmodium infectionTransgenic approachesHuman erythrocytes resultsNatural variationErythrocyte invasionIntracellular pathogensPlasmodium falciparum parasitesUnexplored frontierClinical manifestationsMalaria researchErythrocytes resultsFalciparum parasitesInvasionMalarial diseaseChemical biologicalInfectionErythrocytesParasitesPathogensDeterminantsRemodellingDiscovery
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
2009
Erythrocyte invasion profiles are associated with a common invasion ligand polymorphism in Senegalese isolates of Plasmodium falciparum
LANTOS PM, AHOUIDI AD, BEI AK, JENNINGS CV, SARR O, NDIR O, WIRTH DF, MBOUP S, DURAISINGH MT. Erythrocyte invasion profiles are associated with a common invasion ligand polymorphism in Senegalese isolates of Plasmodium falciparum. Parasitology 2009, 136: 1-9. PMID: 19126266, DOI: 10.1017/s0031182008005167.Peer-Reviewed Original ResearchConceptsErythrocyte receptorSialic acid-independent invasionBlood group O patientsDifferent erythrocyte receptorsGroup O patientsSenegalese isolatesParasite multiplication ratePlasmodium falciparum parasitesMultiple ligand-receptor interactionsO patientsFalciparum parasitesLarge sequence deletionsVariant expression levelParasite isolatesPlasmodium falciparumErythrocyte invasionSelectivity indexReceptorsExpression levelsMajor polymorphismsInvasionInvasion pathwaysPossible determinantsParasitesHuman erythrocytes