2024
A kalihinol analog disrupts apicoplast function and vesicular trafficking in P. falciparum malaria
Chahine Z, Abel S, Hollin T, Barnes G, Chung J, Daub M, Renard I, Choi J, Vydyam P, Pal A, Alba-Argomaniz M, Banks C, Kirkwood J, Saraf A, Camino I, Castaneda P, Cuevas M, De Mercado-Arnanz J, Fernandez-Alvaro E, Garcia-Perez A, Ibarz N, Viera-Morilla S, Prudhomme J, Joyner C, Bei A, Florens L, Ben Mamoun C, Vanderwal C, Le Roch K. A kalihinol analog disrupts apicoplast function and vesicular trafficking in P. falciparum malaria. Science 2024, 385: eadm7966. PMID: 39325875, DOI: 10.1126/science.adm7966.Peer-Reviewed Original ResearchConceptsP. falciparum malariaHumanized mouse modelPlasmodium falciparum</i> strainsIn vivo studiesParasite apicoplastDrug sensitivityTherapeutic profileVesicular traffickingGenomic analysisLipid biogenesisSecretory machineryAsexual replicationGenetic analysisReduced susceptibilityCellular traffickingApicoplast functionStrong efficacyMED6Sexual differentiationHemolytic activityDrug pipelineApicoplastKalihinolTraffickingMalariaTafenoquine-Atovaquone Combination Achieves Radical Cure and Confers Sterile Immunity in Experimental Models of Human Babesiosis
Vydyam P, Pal A, Renard I, Chand M, Kumari V, Gennaro J, Mamoun C. Tafenoquine-Atovaquone Combination Achieves Radical Cure and Confers Sterile Immunity in Experimental Models of Human Babesiosis. The Journal Of Infectious Diseases 2024, 229: 161-172. PMID: 38169301, PMCID: PMC10786256, DOI: 10.1093/infdis/jiad315.Peer-Reviewed Original Research
2022
Evidence for a Conserved Function of Eukaryotic Pantothenate Kinases in the Regulation of Mitochondrial Homeostasis and Oxidative Stress
Ceccatelli Berti C, Gihaz S, Figuccia S, Choi J, Pal A, Goffrini P, Ben Mamoun C. Evidence for a Conserved Function of Eukaryotic Pantothenate Kinases in the Regulation of Mitochondrial Homeostasis and Oxidative Stress. International Journal Of Molecular Sciences 2022, 24: 435. PMID: 36613877, PMCID: PMC9820505, DOI: 10.3390/ijms24010435.Peer-Reviewed Original ResearchConceptsPantothenate Kinase-Associated NeurodegenerationFunctional conservationMitochondrial transit peptidePantothenate kinaseNormal cellular activitiesUse of yeastOverexpression of humanTransit peptideConserved functionYeast mutantsModel organismsPanK activityCellular functionsOxidative stressCellular conditionsMitochondrial homeostasisCellular cofactorsDefective growthKinase isoformsCellular activitiesMetabolic pathwaysYeastGenesMitochondrial dysfunctionBiochemical propertiesEpitope profiling of monoclonal antibodies to the immunodominant antigen BmGPI12 of the human pathogen Babesia microti
Chand M, Choi J, Pal A, Singh P, Kumari V, Thekkiniath J, Gagnon J, Timalsina S, Gaur G, Williams S, Ledizet M, Mamoun C. Epitope profiling of monoclonal antibodies to the immunodominant antigen BmGPI12 of the human pathogen Babesia microti. Frontiers In Cellular And Infection Microbiology 2022, 12: 1039197. PMID: 36506011, PMCID: PMC9732259, DOI: 10.3389/fcimb.2022.1039197.Peer-Reviewed Original ResearchConceptsMonoclonal antibodiesAntigen detection assaysMajor immunogenic determinantMost clinical casesReliable biomarkersAntibody combinationsImmunogenic determinantsIntraerythrocytic life cycleClinical casesUnique epitopesBabesia microtiEpitope profilingHuman babesiosisTick-borne diseasesSignificant riseSerological profilingPlasma samplesAntibodiesSerological characterizationProtozoan parasitePublic healthInfectionAntigenDiseaseMammalian hostsSpecific and Sensitive Diagnosis of Babesia microti Active Infection Using Monoclonal Antibodies to the Immunodominant Antigen BmGPI12
Gagnon J, Timalsina S, Choi JY, Chand M, Singh P, Lamba P, Gaur G, Pal AC, Mootien S, Marcos LA, Mamoun C, Ledizet M. Specific and Sensitive Diagnosis of Babesia microti Active Infection Using Monoclonal Antibodies to the Immunodominant Antigen BmGPI12. Journal Of Clinical Microbiology 2022, 60: e00925-22. PMID: 36040206, PMCID: PMC9491189, DOI: 10.1128/jcm.00925-22.Peer-Reviewed Original ResearchConceptsB. microti infectionActive infectionMonoclonal antibodiesMicroti infectionTime of diagnosisMalaria-like illnessUrgent public health concernAntigen capture assayHost red blood cellsPublic health concernCapture assayEvaluation of clearanceElderly patientsRed blood cellsBlood transfusionDrug treatmentEarly diagnosisPosttreatment samplesBabesia microtiHealth concernInfected humansInfectionDiagnosisBlood cellsHuman babesiosisBabesia duncani as a Model Organism to Study the Development, Virulence, and Drug Susceptibility of Intraerythrocytic Parasites In Vitro and In Vivo
Pal AC, Renard I, Singh P, Vydyam P, Chiu JE, Pou S, Winter RW, Dodean R, Frueh L, Nilsen AC, Riscoe MK, Doggett JS, Mamoun C. Babesia duncani as a Model Organism to Study the Development, Virulence, and Drug Susceptibility of Intraerythrocytic Parasites In Vitro and In Vivo. The Journal Of Infectious Diseases 2022, 226: 1267-1275. PMID: 35512141, PMCID: PMC10233494, DOI: 10.1093/infdis/jiac181.Peer-Reviewed Original ResearchConceptsLethal infectionC3H/HeJ miceMalaria-like illnessB. duncaniMouse genetic backgroundSurvival outcomesHeJ miceSevere diseaseBabesia duncaniMouse modelDifferent mouse genetic backgroundsDrug susceptibilityBabesia microtiHuman babesiosisIntraerythrocytic parasitesUnique pathogenParasite loadMiceSpecies of BabesiaApicomplexa phylumInfectionBabesia parasitesFree merozoitesHuman erythrocytesGenetic background
2021
Evidence for SARS-CoV-2 Spike Protein in the Urine of COVID-19 Patients
George S, Pal AC, Gagnon J, Timalsina S, Singh P, Vydyam P, Munshi M, Chiu JE, Renard I, Harden CA, Ott IM, Watkins AE, Vogels CBF, Lu P, Tokuyama M, Venkataraman A, Casanovas-Massana A, Wyllie AL, Rao V, Campbell M, Farhadian SF, Grubaugh ND, Dela Cruz CS, Ko AI, Perez A, Akaho EH, Moledina DG, Testani J, John AR, Ledizet M, Mamoun CB, Team A. Evidence for SARS-CoV-2 Spike Protein in the Urine of COVID-19 Patients. Kidney360 2021, 2: 924-936. PMID: 35373072, PMCID: PMC8791366, DOI: 10.34067/kid.0002172021.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 spike proteinSARS-CoV-2Spike proteinUrine samplesSARS-CoV-2 infectionYale-New Haven HospitalCOVID-19 patientsAntigen capture assayDetectable viral RNANew Haven HospitalPositive PCR resultsPossible long-term consequencesSpike S1 proteinNP PCRChildren's HospitalNasopharyngeal swabsSARS-CoV-2 spike S1 proteinRenal abnormalitiesLong-term effectsCystatin CLong-term consequencesHospitalUrineViral RNAAlbuminuriaCytochrome b Drug Resistance Mutation Decreases Babesia Fitness in the Tick Stages But Not the Mammalian Erythrocytic Cycle
Chiu JE, Renard I, George S, Pal A, Alday PH, Narasimhan S, Riscoe MK, Doggett JS, Mamoun C. Cytochrome b Drug Resistance Mutation Decreases Babesia Fitness in the Tick Stages But Not the Mammalian Erythrocytic Cycle. The Journal Of Infectious Diseases 2021, 225: 135-145. PMID: 34139755, PMCID: PMC8730496, DOI: 10.1093/infdis/jiab321.Peer-Reviewed Original ResearchConceptsMitochondrial cytochrome bParasite life cycleWild-type alleleTick vectorParasite fitnessCytochrome bMutant parasitesMutant allelesErythrocytic cycleArthropod vectorsNymphal stagesBabesia parasitesMutationsLife cycleFitnessTick stagesResistance mutationsMalaria-like illnessB. microtiAllelesDrug resistance mutationsParasitesHuman babesiosisTicksHost
2020
Griffithsin Inhibits Nipah Virus Entry and Fusion and Can Protect Syrian Golden Hamsters From Lethal Nipah Virus Challenge
Lo MK, Spengler JR, Krumpe LRH, Welch SR, Chattopadhyay A, Harmon JR, Coleman-McCray JD, Scholte FEM, Hotard AL, Fuqua JL, Rose JK, Nichol ST, Palmer KE, O’Keefe B, Spiropoulou CF. Griffithsin Inhibits Nipah Virus Entry and Fusion and Can Protect Syrian Golden Hamsters From Lethal Nipah Virus Challenge. The Journal Of Infectious Diseases 2020, 221: s480-s492. PMID: 32037447, PMCID: PMC7199786, DOI: 10.1093/infdis/jiz630.Peer-Reviewed Original ResearchConceptsSyrian golden hamstersGolden hamstersSevere acute respiratory syndrome coronavirusHuman immunodeficiency virus-1Acute respiratory syndrome coronavirusHepatitis C virusPathogenic zoonotic paramyxovirusImmunodeficiency virus-1Japanese encephalitis virusProphylactic evaluationC virusVirus challengeNiV infectionFatal encephalitisRespiratory diseaseSignificant protectionEncephalitis virusAntiviral activityZoonotic paramyxovirusVirus entrySyncytium formationGreater potencyVirus 1Nipah virusBroad-spectrum activity
2018
A recombinant virus vaccine that protects against both Chikungunya and Zika virus infections
Chattopadhyay A, Aguilar PV, Bopp NE, Yarovinsky TO, Weaver SC, Rose JK. A recombinant virus vaccine that protects against both Chikungunya and Zika virus infections. Vaccine 2018, 36: 3894-3900. PMID: 29807712, DOI: 10.1016/j.vaccine.2018.05.095.Peer-Reviewed Original ResearchConceptsChikungunya virusZika virusA129 miceVesicular stomatitis virusChimeric vesicular stomatitis virusZika virus infectionWild-type miceSingle-dose vaccineRecombinant virus vaccineCo-circulating virusesLicensed vaccineSingle vaccinationZIKV infectionAntibody responsePandemic proportionsVirus vaccineVirus infectionAnimal modelsExperimental vaccinesVaccineMiceInfectionInvasive mosquito vectorsVSV glycoproteinVirus
2013
Identification of a Region in the Stalk Domain of the Nipah Virus Receptor Binding Protein That Is Critical for Fusion Activation
Talekar A, DeVito I, Salah Z, Palmer SG, Chattopadhyay A, Rose JK, Xu R, Wilson IA, Moscona A, Porotto M. Identification of a Region in the Stalk Domain of the Nipah Virus Receptor Binding Protein That Is Critical for Fusion Activation. Journal Of Virology 2013, 87: 10980-10996. PMID: 23903846, PMCID: PMC3807285, DOI: 10.1128/jvi.01646-13.Peer-Reviewed Original ResearchConceptsNewcastle disease virusReceptor binding proteinParamyxovirus fusion activationStalk domainBinding proteinAvian Newcastle disease virusHost cellsViral envelope glycoproteinsFusion activationNiV FEnvelope glycoproteinReceptor binding regionsTarget cellsNipah virusSialic acid moietiesDisease virusFusion signalChimeric proteinMembrane fusionReceptorsGlobular domainFusion proteinAttachment proteinCellular membranesActivation
2010
Complementing Defective Viruses That Express Separate Paramyxovirus Glycoproteins Provide a New Vaccine Vector Approach
Chattopadhyay A, Rose JK. Complementing Defective Viruses That Express Separate Paramyxovirus Glycoproteins Provide a New Vaccine Vector Approach. Journal Of Virology 2010, 85: 2004-2011. PMID: 21177820, PMCID: PMC3067786, DOI: 10.1128/jvi.01852-10.Peer-Reviewed Original Research