Listar por autor "Requena, David"

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Assembly and phylogeographical analysis of novel Taenia solium mitochondrial genomes suggest stratification within the African-American genotype

Jiménez Avalos, Gabriel Mateo; Soto Obando, Alina; Solis, Maria; Gilman, Robert H.; Cama, Vitaliano; Gonzalez, Armando E.; García Lescano, Héctor Hugo; Sheen Cortavarria, Patricia; Requena, David; Zimic-Peralta, Mirko Juan (BioMed Central, 2023)

Background: Taenia solium is a parasite of public health concern, causing human taeniasis and cysticercosis. Two main genotypes have been identified: Asian and African-American. Although characterizing T. solium genotypes ...
Design of a predicted MHC restricted short peptide immunodiagnostic and vaccine candidate for Fowl adenovirus C in chicken infection

Valdivia-Olarte, Hugo; Requena, David; Ramirez, Manuel; Saravia, Luis E.; Izquierdo, Ray; Falconi-Agapito, Francesca; Zavaleta, Milagros; Best, Ivan; Fernandez-Diaz, Manolo; Zimic-Peralta, Mirko Juan (Biomedical Informatics, 2015)

Fowl adenoviruses (FAdVs) are the ethiologic agents of multiple pathologies in chicken. There are five different species of FAdVs grouped as FAdV-A, FAdV-B, FAdV-C, FAdV-D, and FAdV-E. It is of interest to develop ...
Development of a lateral flow test for the rapid detection of Avibacterium paragallinarum in chickens suspected of having infectious coryza

Morales Ruiz, Sandra; Bendezu, Jorge; Choque Guevara, Ricardo; Montesinos, Ricardo; Requena, David; Choque Moreau, Luz; Montalvan Avalos, Angela; Fernandez-Diaz, Manolo (BioMed Central, 2018)

Background: Infectious coryza (IC) is an acute respiratory disease of growing chickens and layers caused by Avibacterium paragallinarum. The development of tools that allow rapid pathogen detection is necessary in order ...
Enteropathogen Changes After Rotavirus Vaccine Scale-up.

Ballard, Sarah-Blythe; Requena, David; Mayta, Holger; Sanchez, Gerardo J.; Oyola-Lozada, Maria G.; Colquechagua Aliaga, Fabiola D.; Cabrera, Lilia; Vittet Mondonedo, Macarena D.; Taquiri, Carmen; Tilley, Capt Drake H.; Simons, Cdr Mark P.; Meza, Rina A.; Bern, Caryn; Saito, Mayuko; Figueroa-Quintanilla, Dante A.; Gilman, Robert Hugh (American Academy of Pediatrics, 2022)

OBJECTIVES: To inform next steps in pediatric diarrhea burden reduction by understanding the shifting enteropathogen landscape after rotavirus vaccine implementation. METHODS: We conducted a case-control study of 1788 ...
Feasibility and Acceptability of a Text Message-Based Smoking Cessation Program for Young Adults in Lima, Peru: Pilot Study

Blitchtein-Winicki, Dora; Zevallos, Karine; Samolski, M. Reuven; Requena, David; Velarde, Chaska; Briceño, Patricia; Piazza Ferrand, Marina Julia; Ybarra, Michele L. (JMIR Publications, 2017)

BACKGROUND: In Peru's urban communities, tobacco smoking generally starts during adolescence and smoking prevalence is highest among young adults. Each year, many attempt to quit, but access to smoking cessation programs ...
Genome sequence and comparative analysis of Avibacterium paragallinarum

Requena, David; Chumbe, Ana; Torres, Michael; Alzamora, Ofelia; Ramirez, Manuel; Valdivia-Olarte, Hugo; Gutierrez, Andres Hazaet; Izquierdo-Lara, Ray; Saravia, Luis Enrique; Zavaleta, Milagros; Tataje-Lavanda, Luis; Best, Ivan; Fernández-Sánchez, Manolo; Icochea, Eliana; Zimic-Peralta, Mirko Juan; Fernández-Díaz, Manolo (Biomedical Informatics, 2013)

Background: Avibacterium paragallinarum, the causative agent of infectious coryza, is a highly contagious respiratory acute disease of poultry, which affects commercial chickens, laying hens and broilers worldwide. ...
Identification and Characterization of Microsatellite Markers Derived from the Whole Genome Analysis of Taenia solium

Pajuelo Travezaño, Monica Jhenny; Eguiluz, Maria; Dahlstrom, Eric; Requena, David; Guzman, Frank; Ramirez, Manuel; Sheen Cortavarria, Patricia; Frace, Michael; Sammons, Scott; Cama, Vitaliano; Anzick, Sarah; Bruno, Dan; Mahanty, Siddhartha; Wilkins, Patricia; Nash, Theodore; Gonzalez Zariquiey, Armando Emiliano; García Lescano, Héctor Hugo; Gilman, Robert Hugh; Porcella, Steve; Zimic-Peralta, Mirko Juan (Public Library of Science, 2015)

BACKGROUND: Infections with Taenia solium are the most common cause of adult acquired seizures worldwide, and are the leading cause of epilepsy in developing countries. A better understanding of the genetic diversity of ...
Molecular distribution of amino acid substitutions on neuraminidase from the 2009 (H1N1) human influenza pandemic virus

Quiliano, Miguel; Valdivia-Olarte, Hugo; Olivares, Carlos; Requena, David; Gutiérrez, Andrés H.; Reyes-Loyola, Paola; Tolentino-Lopez, Luis E.; Sheen Cortavarria, Patricia; Briz, Verónica; Muñoz-Fernández, Maria A.; Correa-Basurto, José; Zimic-Peralta, Mirko Juan (Biomedical Informatics, 2013)

The pandemic influenza AH1N1 (2009) caused an outbreak of human infection that spread to the world. Neuraminidase (NA) is an antigenic surface glycoprotein, which is essential to the influenza infection process, and is the ...
Morphological characterization of Mycobacterium tuberculosis in a MODS culture for an automatic diagnostics through pattern recognition

Alva, Alicia; Aquino, Fredy; Gilman, Robert Hugh; Olivares, Carlos; Requena, David; Gutiérrez, Andrés H.; Caviedes, Luz; Coronel, Jorge; Larson, Sandra; Sheen Cortavarria, Patricia; Moore, David Alexander James; Zimic-Peralta, Mirko Juan (Public Library of Science, 2013)

Tuberculosis control efforts are hampered by a mismatch in diagnostic technology: modern optimal diagnostic tests are least available in poor areas where they are needed most. Lack of adequate early diagnostics and MDR ...
A multiple genome analysis of Mycobacterium tuberculosis reveals specific novel genes and mutations associated with pyrazinamide resistance

Sheen Cortavarria, Patricia; Requena, David; Gushiken, Eduardo; Gilman, Robert Hugh; Antiparra, Ricardo; Lucero, Bryan; Lizárraga, Pilar; Cieza, Basilio; Roncal, Elisa; Grandjean, Louis; Pain, Arnab; McNerney, Ruth; Clark, Taane G.; Moore, David Alexander James; Zimic-Peralta, Mirko Juan (BioMed Central, 2017)

BACKGROUND: Tuberculosis (TB) is a major global health problem and drug resistance compromises the efforts to control this disease. Pyrazinamide (PZA) is an important drug used in both first and second line treatment ...
A novel inexpensive electrochemical sensor for pyrazinoic acid as a potential tool for the identification of pyrazinamide-resistant Mycobacterium tuberculosis

Rueda, Daniel; Furukawa, Roberto; Fuentes, Patricia; Comina, Germán; Rey De Castro, Nicolás G.; Requena, David; Gilman, Robert Hugh; Sheen Cortavarria, Patricia; Zimic-Peralta, Mirko Juan (Medknow Publications, 2018)

Introduction: Tuberculosis (TB) is a significant cause of morbidity and mortality worldwide. The patient compliance with the long treatment regimens is essential for successful eradication. Pyrazinamide (PZA) shortens these ...
De novo assembly and functional annotation of Myrciaria dubia fruit transcriptome reveals multiple metabolic pathways for L-ascorbic acid biosynthesis

Castro, Juan C.; Maddox, J. Dylan; Cobos, Marianela; Requena, David; Zimic-Peralta, Mirko Juan; Bombarely, Aureliano; Iman, Sixto A.; Cerdeira, Luis A.; Medina, Andersson E. (BioMed Central, 2015)

Background. Myrciaria dubia is an Amazonian fruit shrub that produces numerous bioactive phytochemicals, but is best known by its high L-ascorbic acid (AsA) content in fruits. Pronounced variation in AsA content has been ...
Perceptions and acceptability of short message services technology to improve treatment adherence amongst tuberculosis patients in Peru: a Focus Group Study

Albino, Sandra; Tabb, Karen M.; Requena, David; Egoavil, Miguel; Pineros-Leano, Maria F.; Zunt, Joseph R.; Garcia Funegra, Patricia Jannet (Public Library of Science, 2014)

BACKGROUND: Tuberculosis (TB) is global health concern and a leading infectious cause of mortality. Reversing TB incidence and disease-related mortality is a major global health priority. Infectious disease mortality is ...
Tear biomarkers and corneal sensitivity as an indicator of neuropathy in type 2 diabetes

Iyengar, Meera F.; Soto, Luis F.; Requena, David; Ruiz-Alejos, Andrea O.; Huaylinos, Yvonne; Velasquez, Ricardo; Bernabé Ortiz, Antonio; Gilman, Robert Hugh (Elsevier, 2020)

Aims: Explore potential of 31 tear biomarkers involved in screening for diabetic peripheral neuropathy (DPN). Assess the utility of aesthesiometry for measuring corneal damage in DPN and determine optimal cutoff point for ...

Listar por autor "Requena, David"

Listar por autor "Requena, David"

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