Listar por tema "Parasitemia"

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  • Anti-Plasmodium falciparum invasion ligand antibodies in a low malaria transmission region, Loreto, Peru 
    Villasis Mayuri, Elizabeth Melisa; Lopez-Perez, M.; Torres Fajardo, Katherine Jessica; Gamboa Vilela, Dionicia Baziliza; Neyra, V.; Bendezu, J.; Tricoche, N.; Lobo, C.; Vinetz, Joseph Michael; Lustigman, S. (BioMed Central, 2012)
    Background: Erythrocyte invasion by Plasmodium falciparum is a complex process that involves two families; Erythrocyte Binding-Like (EBL) and the Reticulocyte Binding-Like (PfRh) proteins. Antibodies that inhibit merozoite ...
  • Cavia porcellus as a model for experimental infection by trypanosoma cruzi 
    Castro-Sesquen, Y.E.; Gilman, Robert Hugh; Yauri, V.; Angulo, N.; Verastegui Pimentel, Manuela Renee; Velásquez, D.E.; Sterling, C.R.; Martin, D.; Bern, C. (Elsevier, 2011)
    The guinea pig (Cavia porcellus) is a natural reservoir for Trypanosoma cruzi but has seldom been used as an experimental infection model. We developed a guinea pig infection model for acute and chronic Chagas disease. ...
  • Domestic Pig (Sus scrofa) as an Animal Model for Experimental Trypanosoma cruzi Infection 
    Yauri, Veronica; Castro-Sesquen, Yagahira E.; Verastegui Pimentel, Manuela Renee; Angulo, Noelia; Recuenco, Fernando; Cabello, Ines; Malaga, Edith; Bern, Caryn; Gavidia, Cesar M.; Gilman, Robert Hugh (American Society of Tropical Medicine and Hygiene, 2016)
    Pigs were infected with a Bolivian strain of Trypanosoma cruzi (genotype I) and evaluated up to 150 days postinoculation (dpi) to determine the use of pigs as an animal model of Chagas disease. Parasitemia was observed in ...
  • Heterogeneous infectiousness in guinea pigs experimentally infected with Trypanosoma cruzi 
    Castillo Neyra, Ricardo; Borrini Mayori, Katty; Salazar Sánchez, Renzo Sadath; Ancca Suarez, Jenny; Xie, Sherrie; Naquira Velarde, Cesar Gabriel; Levy, Michael Z. (Elsevier, 2015)
    Guinea pigs are important reservoirs of Trypanosoma cruzi , the causative parasite of Chagas disease, and in the Southern Cone of South America, transmission is mediated mainly by the vector Triatoma infestans . Interestingly, ...
  • Human host-derived cytokines associated with Plasmodium vivax transmission from acute malaria patients to Anopheles darlingi mosquitoes in the Peruvian Amazon 
    Abeles, Shira R.; Chuquiyauri, Raul; Tong, Chuquiyauri; Vinetz, Joseph Michael (American Society of Tropical Medicine and Hygiene, 2013)
    Infection of mosquitoes by humans is not always successful in the setting of patent gametocytemia. This study tested the hypothesis that pro- or anti-inflammatory cytokines are associated with transmission of Plasmodium ...
  • Microepidemiología y heterogeneidad espacial de las parasitemias por Plasmodium vivax en comunidades rurales de la Amazonía Peruana: un análisis multinivel 
    Carrasco Escobar, Gabriel (Universidad Peruana Cayetano HerediaPE, 2017)
    En los últimos cinco años, la malaria se ha incrementado de forma constante en la Amazonía Peruana. Este estudio busca determinar la heterogeneidad micro-geográfica de las parasitemias por Plasmodium vivax en comunidades ...
  • Parasitemia por Trypanosoma cruzi y niveles de isotipos de anticuerpos IgG en mujeres que asistieron al hospital de niños, Santa Cruz-Bolivia, 2017 
    Roca Avendaño, Cristian (Universidad Peruana Cayetano HerediaPE, 2018)
    Objetivos: Determinar la correlación entre la carga parasitaria de Trypanosoma cruzi y niveles de isotipos de anticuerpos IgG (IgG1, IgG2, IgG3), en pacientes seropositivas a Chagas. Métodos: Se analizaron los datos de un ...
  • Relationship of regulatory T cells to Plasmodium falciparum malaria symptomatology in a hypoendemic region 
    Torres Fajardo, Katherine Jessica; Villasis Mayuri, Elizabeth Melisa; Bendezú, Jorge; Chauca, José; Vinetz, Joseph Michael; Gamboa Vilela, Dionicia Baziliza (BioMed Central, 2014)
    Background: Previous data have suggested that regulatory T cells (Tregs) balance protective immune responses with immune mediated pathology in malaria. This study aimed to determine to test the hypothesis that Treg proportions ...
  • Single-dose tafenoquine to prevent relapse of plasmodium vivax malaria 
    Lacerda, M.V.G.; Llanos Cuentas, Elmer Alejandro; Krudsood, S.; Lon, C.; Saunders, D.L.; Mohammed, R.; Yilma, D.; Pereira, D.B.; Espino, F.E.J.; Mia, R.Z.; Chuquiyauri, R.; Val, F.; Casapía, M.; Monteiro, W.M.; Brito, M.A.M.; Costa, M.R.F.; Buathong, N.; Noedl, H.; Diro, E.; Getie, S.; Wubie, K.M.; Abdissa, A.; Zeynudin, A.; Abebe, C.; Tada, M.S.; Brand, F.; Beck, H.-P.; Angus, B.; Duparc, S.; Kleim, J.-P.; Kellam, L.M.; Rousell, V.M.; Jones, S.W.; Hardaker, E.; Mohamed, K.; Clover, D.D.; Fletcher, K.; Breton, J.J.; Ugwuegbulam, C.O.; Green, J.A.; Koh, G.C.K.W. (Massachusetts Medical Society, 2019)
    BACKGROUND: Treatment of Plasmodium vivax malaria requires the clearing of asexual parasites, but relapse can be prevented only if dormant hypnozoites are cleared from the liver (a treatment termed "radical cure"). Tafenoquine ...
  • Tafenoquine versus primaquine to prevent relapse of plasmodium vivax malaria 
    Llanos Cuentas, Elmer Alejandro; Lacerda, M.V.G.; Hien, T.T.; Vélez, I.D.; Namaik-Larp, C.; Chu, C.S.; Villegas, M.F.; Val, F.; Monteiro, W.M.; Brito, M.A.M.; Costa, M.R.F.; Chuquiyauri, R.; Casapía, M.; Nguyen, C.H.; Aruachan, S.; Papwijitsil, R.; Nosten, F.H.; Bancone, G.; Angus, B.; Duparc, S.; Craig, G.; Rousell, V.M.; Jones, S.W.; Hardaker, E.; Clover, D.D.; Kendall, L.; Mohamed, K.; Koh, G.C.K.W.; Wilches, V.M.; Breton, J.J.; Green, J.A. (Massachusetts Medical Society, 2019)
    BACKGROUND: Tafenoquine, a single-dose therapy for Plasmodium vivax malaria, has been associated with relapse prevention through the clearance of P. vivax parasitemia and hypnozoites, termed "radical cure." METHODS: We ...

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