2024
Two decades of molecular surveillance in Senegal reveal rapid changes in known drug resistance mutations over time
Ndiaye Y, Wong W, Thwing J, Schaffner S, Brenneman K, Tine A, Diallo M, Deme A, Sy M, Bei A, Thiaw A, Daniels R, Ndiaye T, Gaye A, Ndiaye I, Toure M, Gadiaga N, Sene A, Sow D, Garba M, Yade M, Dieye B, Diongue K, Zoumarou D, Ndiaye A, Gomis J, Fall F, Ndiop M, Diallo I, Sene D, Macinnis B, Seck M, Ndiaye M, Ngom B, Diedhiou Y, Mbaye A, Ndiaye L, Sy N, Badiane A, Hartl D, Wirth D, Volkman S, Ndiaye D. Two decades of molecular surveillance in Senegal reveal rapid changes in known drug resistance mutations over time. Malaria Journal 2024, 23: 205. PMID: 38982475, PMCID: PMC11234717, DOI: 10.1186/s12936-024-05024-8.Peer-Reviewed Original ResearchConceptsPfcrt K76TArtemisinin-based combination therapyPfdhps A437GSeasonal malaria chemopreventionK76TDrug resistance mutationsMolecular surveillanceA437GSulfadoxine-pyrimethamineArtesunate-amodiaquineSingle nucleotide polymorphismsDrug resistance markersResistance mutationsEfficacy of artesunate-amodiaquineWithdrawal of chloroquineMalaria control effortsP. falciparum parasitesResistance markersCombination of single nucleotide polymorphismsParasite drug resistanceWhole-genome sequencingAQ resistanceHaplotype-based analysisMalaria chemopreventionCombination therapy
2022
Structure-guided insights into potential function of novel genetic variants in the malaria vaccine candidate PfRh5
Mangou K, Moore A, Thiam L, Ba A, Orfanó A, Desamours I, Ndegwa D, Goodwin J, Guo Y, Sheng Z, Patel S, Diallo F, Sene S, Pouye M, Faye A, Thiam A, Nunez V, Diagne C, Sadio B, Shapiro L, Faye O, Mbengue A, Bei A. Structure-guided insights into potential function of novel genetic variants in the malaria vaccine candidate PfRh5. Scientific Reports 2022, 12: 19403. PMID: 36371450, PMCID: PMC9653458, DOI: 10.1038/s41598-022-23929-9.Peer-Reviewed Original ResearchConceptsImmune evasionSingle nucleotide polymorphismsPopulation prevalenceVaccine-induced protective immunityP. falciparum positive samplesFalciparum positive samplesPlasmodium falciparum antigensMalaria vaccine candidateNovel single nucleotide polymorphismsInhibitory monoclonal antibodiesProtective immunityFalciparum antigensMalaria deathsEffective vaccineEfficacious vaccineVaccine candidatesPfRH5Infected individualsVaccine targetsMonoclonal antibodiesLow overall frequencyReceptor bindingNovel genetic variantsVaccineOverall frequency