Universidad Peruana Cayetano Heredia

Listar por autor "Guzman Guzman, Mitchel Anthony"

Listar por autor "Guzman Guzman, Mitchel Anthony"

Ordenar por:Orden:Resultados:

  • Acceptability of a herd immunity-focused, transmission-blocking malaria vaccine in malaria-endemic communities in the Peruvian Amazon: an exploratory study 
    White, Sara E.; Harvey, Steven A.; Meza, Graciela; Llanos Cuentas, Elmer Alejandro; Guzman Guzman, Mitchel Anthony; Gamboa Vilela, Dionicia Baziliza; Vinetz, Joseph Michael (BioMed Central, 2018)
    BACKGROUND: A transmission-blocking vaccine (TBV) to prevent malaria-infected humans from infecting mosquitoes has been increasingly considered as a tool for malaria control and elimination. This study tested the hypothesis ...
  • Epidemiological characteristics of P. vivax asymptomatic infections in the Peruvian Amazon 
    Villasis Mayuri, Elizabeth Melisa; Garcia Castillo, Stefano S.; Guzman Guzman, Mitchel Anthony; Torres, Julian; Gomez, Joaquin; Garro, Katherine; Cordova, Ana Maria; Reategui, Carolina; Abanto, Caroline; Vinetz, Joseph Michael; Gamboa Vilela, Dionicia Baziliza; Torres Fajardo, Katherine Jessica (Frontiers Media, 2022)
    Introduction: Herein, we tested the hypothesis that Asymptomatic P. vivax (Pv) infected individuals (Asym) feature different epidemiological, clinical and biochemical characteristics, as well as hematological parameters, ...
  • Heterogeneity in response to serological exposure markers of recent Plasmodium vivax infections in contrasting epidemiological contexts 
    Rosado, Jason; White, Michael T.; Longley, Rhea J.; Lacerda, Marcus; Monteiro, Wuelton; Brewster, Jessica; Sattabongkot, Jetsumon; Guzman Guzman, Mitchel Anthony; Llanos Cuentas, Elmer Alejandro; Vinetz, Joseph Michael; Gamboa Vilela, Dionicia Baziliza; Mueller, Ivo (Public Library of Science, 2021)
    BACKGROUND: Antibody responses as serological markers of Plasmodium vivax infection have been shown to correlate with exposure, but little is known about the other factors that affect antibody responses in naturally ...
  • Higher risk of malaria transmission outdoors than indoors by Nyssorhynchus darlingi in riverine communities in the Peruvian Amazon. 
    Saavedra Romero, Marlon Pierino; Conn, Jan E.; Alava, Freddy; Carrasco Escobar, Gabriel; Prussing, Catharine; Bickersmith, Sara A.; Sangama, Jorge L.; Fernandez-Minope, Carlos; Guzman Guzman, Mitchel Anthony; Tong, Carlos; Valderrama, Carlos; Vinetz, Joseph Michael; Gamboa Vilela, Dionicia Baziliza; Moreno, Marta (BioMed Central, 2019)
    BACKGROUND: Malaria remains an important public health problem in Peru where incidence has been increasing since 2011. Of over 55,000 cases reported in 2017, Plasmodium vivax was the predominant species (76%), with P. ...
  • Infection of laboratory-colonized Anopheles darlingi mosquitoes by Plasmodium vivax 
    Moreno, Marta; Tong, Carlos; Guzman Guzman, Mitchel Anthony; Chuquiyauri, Raul; Llanos Cuentas, Elmer Alejandro; Rodriguez, Hugo; Gamboa Vilela, Dionicia Baziliza; Meister, Stephan; Winzeler, Elizabeth A.; Maguina, Paula; Conn, Jan E.; Vinetz, Joseph Michael (American Society of Tropical Medicine and Hygiene, 2014)
    Anopheles darlingi Root is the most important malaria vector in the Amazonia region of South America. However, continuous propagation of An. darlingi in the laboratory has been elusive, limiting entomological, genetic/genomic, ...
  • Insights into Plasmodium vivax Asymptomatic Malaria Infections and Direct Skin-Feeding Assays to Assess Onward Malaria Transmission in the Amazon 
    Moreno, Marta; Torres Fajardo, Katherine Jessica; Tong, Carlos; Castillo, Stefano S. Garcia; Carrasco Escobar, Gabriel; Guedez, Gerson; Torres, Lutecio; Herrera Varela, Manuela; Guerra, Layne; Guzman Guzman, Mitchel Anthony; Wong, Daniel; Ramirez, Roberson; Llanos Cuentas, Elmer Alejandro; Conn, Jan E.; Gamboa Vilela, Dionicia Baziliza; Vinetz, Joseph Michael (American Journal of Tropical Medicine and Hygiene, 2022)
    Understanding the reservoir and infectivity of Plasmodium gametocytes to vector mosquitoes is crucial to align strategies aimed at malaria transmission elimination. Yet, experimental information is scarce regarding the ...
  • Malaria Epidemiology and Control Within the International Centers of Excellence for Malaria Research 
    Moss, William J.; Dorsey, Grant; Mueller, Ivo; Laufer, Miriam K.; Krogstad, Donald J.; Vinetz, Joseph Michael; Guzman Guzman, Mitchel Anthony; Rosas-Aguirre, Angel M.; Herrera, Socrates; Arevalo-Herrera, Myriam; Chery, Laura; Kumar, Ashwani; Mohapatra, Pradyumna K.; Ramanathapuram, Lalitha; Srivastava, H. C.; Cui, Liwang; Zhou, Guofa; Parker, Daniel M.; Nankabirwa, Joaniter; Kazura, James W. (American Society of Tropical Medicine and Hygiene, 2015)
    Understanding the epidemiological features and metrics of malaria in endemic populations is a key component to monitoring and quantifying the impact of current and past control efforts to inform future ones. The International ...
  • Malaria transmission structure in the Peruvian Amazon through antibody signatures to Plasmodium vivax 
    Rosado, J.; Carrasco Escobar, Gabriel; Nolasco, O.; Garro, K.; Rodriguez-Ferruci, H.; Guzman Guzman, Mitchel Anthony; Llanos Cuentas, Elmer Alejandro; Vinetz, Joseph Michael; Nekkab, N.; White, M.T.; Mueller, I.; Gamboa Vilela, Dionicia Baziliza (Public Library of Science, 2022)
    Background The landscape of malaria transmission in the Peruvian Amazon is temporally and spatially heterogeneous, presenting different micro-geographies with particular epidemiologies. Most cases are asymptomatic and ...
  • Malaria vector species in amazonian Peru co-occur in larval habitats but have distinct larval microbial communities 
    Prussing, Catharine; Saavedra Romero, Marlon Pierino; Bickersmith, Sara A.; Alava, Freddy; Guzman Guzman, Mitchel Anthony; Manrique, Edgar; Carrasco Escobar, Gabriel; Moreno, Marta; Gamboa Vilela, Dionicia Baziliza; Vinetz, Joseph Michael; Conn, Jan E. (Public Library of Science, 2019)
    In Amazonian Peru, the primary malaria vector, Nyssorhynchus darlingi (formerly Anopheles darlingi), is difficult to target using standard vector control methods because it mainly feeds and rests outdoors. Larval source ...
  • Micro-heterogeneity of malaria transmission in the Peruvian Amazon: a baseline assessment underlying a population-based cohort study 
    Rosas-Aguirre, Angel; Guzman Guzman, Mitchel Anthony; Gamboa Vilela, Dionicia Baziliza; Chuquiyauri, Raul; Ramirez, Roberson; Manrique Valverde, Paulo Cesar; Carrasco Escobar, Gabriel; Puemape Cárdenas, Carmen Luz; Llanos Cuentas, Elmer Alejandro; Vinetz, Joseph Michael (BioMed Central, 2017)
    BACKGROUND: Understanding the dynamics of malaria transmission in diverse endemic settings is key for designing and implementing locally adapted and sustainable control and elimination strategies. A parasitological and ...
  • Microsatellite analysis reveals connectivity among geographically distant transmission zones of Plasmodium vivax in the Peruvian Amazon: A critical barrier to regional malaria elimination 
    Manrique Valverde, Paulo Cesar; Miranda-Alban, Julio; Alarcon-Baldeon, Jhonatan; Ramirez, Roberson; Carrasco Escobar, Gabriel; Herrera, Henry; Guzman Guzman, Mitchel Anthony; Rosas-Aguirre, Angel; Llanos Cuentas, Elmer Alejandro; Vinetz, Joseph Michael; Escalante, Ananias A.; Gamboa Vilela, Dionicia Baziliza (Public Library of Science, 2019)
    Despite efforts made over decades by the Peruvian government to eliminate malaria, Plasmodium vivax remains a challenge for public health decision-makers in the country. The uneven distribution of its incidence, plus its ...
  • Posesión, retención y uso de mosquiteros tratados con insecticidas de larga duración luego de un año de su distribución en Loreto, Perú 
    Rosas-Aguirre, A.; Guzman Guzman, Mitchel Anthony; Moreno-Gutierrez, D.; Rodriguez-Ferrucci, H.; Vargas-Pacherrez, D.; Acuña-González, Y. (Instituto Nacional de Salud, 2011)
    Objectives. To assess long-lasting insecticide - treated bednet (LLITN) ownership, retention and usage one year after their distribution in Loreto, Peru. Materials and methods. From July to September 2007, 26,185 LLITNs ...
  • Predominance of asymptomatic and sub-microscopic infections characterizes the Plasmodium gametocyte reservoir in the Peruvian Amazon 
    Rovira-Vallbona, Eduard; Contreras-Mancilla, Juan José; Ramirez, Roberson; Guzman Guzman, Mitchel Anthony; Carrasco Escobar, Gabriel; Llanos Cuentas, Elmer Alejandro; Vinetz, Joseph Michael; Gamboa Vilela, Dionicia Baziliza; Rosanas-Urgell, Anna (Public Library of Science, 2017)
    Malaria transmission requires that Anopheles mosquitoes ingest Plasmodium gametocyte stages circulating in the human bloodstream. In the context of malaria elimination, understanding the epidemiology of gametocytes relative ...
  • PvMSP8 as a Novel Plasmodium vivax Malaria Sero-Marker for the Peruvian Amazon 
    Villasis Mayuri, Elizabeth Melisa; Garro, Katherine; Rosas-Aguirre, Ángel; Rodríguez, Pamela; Rosado, Jason; Gave, Anthony; Guzman Guzman, Mitchel Anthony; Manrique Valverde, Paulo Cesar; White, Michael; Speybroeck, Niko; Vinetz, Joseph Michael; Torres Fajardo, Katherine Jessica; Gamboa Vilela, Dionicia Baziliza (MDPI, 2021)
    The measurement of recent malaria exposure can support malaria control efforts. This study evaluated serological responses to an in-house Plasmodium vivax Merozoite Surface Protein 8 (PvMSP8) expressed in a Baculovirus ...
  • Temporal and Microspatial Heterogeneity in Transmission Dynamics of Coendemic Plasmodium vivax and Plasmodium falciparum in Two Rural Cohort Populations in the Peruvian Amazon. 
    Rosas-Aguirre, Angel; Guzman Guzman, Mitchel Anthony; Chuquiyauri, Raul; Moreno, Marta; Manrique Valverde, Paulo Cesar; Ramirez, Roberson; Carrasco Escobar, Gabriel; Rodriguez, Hugo; Speybroeck, Niko; Conn, Jan E.; Gamboa Vilela, Dionicia Baziliza; Vinetz, Joseph Michael; Llanos Cuentas, Elmer Alejandro (Oxford University Press, 2021)
    BACKGROUND: Malaria is highly heterogeneous: its changing malaria microepidemiology needs to be addressed to support malaria elimination efforts at the regional level. METHODS: A 3-year, population-based cohort study in ...

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