Now showing items 1-14 of 14

    • Antiviral activity of maca (Lepidium meyenii) against human influenza virus 

      Valle Mendoza, Juana del; Pumarola, Tomas; Alzamora Gonzales, Libertad; Valle Mendoza, Luis Javier del (2014)
      Article
      Open Access
      Objective To investigate antiviral activity of maca to reduce viral load in Madin-Darby canine kidney (MDCK) cells infected with influenza type A and B viruses (Flu-A and Flu-B, respectively). Methods Maca were ...
    • Comparison of cytokines levels among COVID-19 patients living at sea level and high altitude 

      Valle Mendoza, Juana del; Tarazona Castro, Yordi Qesler; Carrillo Ng, Hugo; Kym, Sungmin; Aguilar Luis, Miguel Angel; Valle Mendoza, Luis Javier del; Aquino Ortega, Ronald; Martins Luna, Johanna Elizabeth; Peña Tuesta, Isaac; Silva Caso, Wilmer (2022-12-01)
      Article
      Open Access
      Background: At the end of 2019, a novel coronavirus denominated SARS-CoV-2 rapidly spread through the world causing the pandemic coronavirus disease known as COVID-19. The difference in the inflammatory response against ...
    • Detection of dengue virus serotype 3 in Cajamarca, Peru: Molecular diagnosis and clinical characteristics 

      Aguilar Luis, Miguel Angel; Carrillo Ng, Hugo; Kym, Sungmin; Silva Caso, Wilmer; Verne, Eduardo; Valle Mendoza, Luis Javier del; Bazan Mayra, Jorge; Zavaleta Gavidia, Víctor; Cornejo Pacherres, Hernán Daniel; Tarazona Castro, Yordi Qesler; Aquino Ortega, Ronald; Cornejo Tapia, Ángela; Valle Mendoza, Juana del (2021-10-01)
      Article
      Open Access
      Objective: To describe and molecularly characterize an outbreak of dengue virus (DENV) infection in Cajamarca, an Andean region in Peru. Methods: A total of 359 serum samples from patients with acute febrile illness were ...
    • Detection of human Metapneumovirus infection in children under 18 years old hospitalized in Lima-Peru 

      Valle Mendoza, Juana del; Orellana Peralta, Fiorella; Valle Mendoza, Luis Javier del; Verne, Eduardo; Ugarte, Claudia; Weilg, C.; Silva Caso, Wilmer; Valverde Ezeta, Jorge (2019-07-25)
      Article
      Open Access
      Human Metapneumovirus (hMPV) is a negative single-stranded RNA virus. Infection by hMPV mainly affects the pediatric population and can cause upper or lower respiratory tract pathologies which can develop life threating ...
    • Detection of SARS-CoV-2 antibodies in febrile patients from an endemic region of dengue and chikungunya in Peru 

      Tarazona Castro, Yordi Qesler; Troyes Rivera, Lucinda; Martins Luna, Johanna Elizabeth; Cabellos Altamirano, Felipe; Aguilar Luis, Miguel Angel; Carrillo Ng, Hugo; Valle Mendoza, Luis Javier del; Kym, Sungmin; Miranda Maravi, Sebastian; Silva Caso, Wilmer; Levi Blitchtein, Saul; Valle Mendoza, Juana del (Public Library of Science (PLOS), 2022-01-01)
      Article
      Open Access
      Introduction: The rapid expansion of the novel SARS-CoV-2 virus has raised serious public health concerns due to the possibility of misdiagnosis in regions where arboviral diseases are endemic. We performed the first study ...
    • Development of a 16S rRNA PCR-RFLP Assay for Bartonella identification: Applicability in the identification of species involved in human infections 

      Valle Mendoza, Luis Javier del; Jaramillo, Michael L.; Talledo, Miguel; Pons, Maria J.; Flores, Lídia; Quispe, Ruth; Ramírez, Pablo; García de la Guarda, Ruth; Alvarado, Débora; Espinoza Culupú, Abraham; Valle Mendoza, Juana del; Vargas, Martha; Ruiz, Joaquim (Society of Exploration Geophysicists (SEG), 2014)
      Article
      Restricted access - publisher's policy
      We designed a 16S rRNA gene PCR -RFLP scheme to identify all currently described Bartonella spp. The 16S rRNA genes of all Bartonella spp. were in-silico analyzed in order to design a RFLP technique able to discriminate ...
    • Diarrhoea caused by rotavirus in a regional Peruvian hospital: Determination of circulating genotypes 

      Weilg Espejo, Pablo; Orellana Peralta, Fiorella; Cornejo Pacheres, Hernán; Valle Mendoza, Luis Javier del; Cornejo Tapia, Angela; Bazan Mayra, Jorge; Ruiz Blazquez, Joaquim; Valle Mendoza, Juana del (2014-07)
      Article
      Restricted access - publisher's policy
      Background: Gastroenteritis caused by rotavirus is responsible for approximately 810 deaths per year in children under 5 years of age in Peru and emerging rotavirus genotypes have led to concerns regarding cross-protection ...
    • Gut microbiota in hospitalized children with acute infective gastroenteritis caused by virus or bacteria in a regional Peruvian hospital 

      Taco Masías, Andre Alonso; Fernández Aristi, Augusto Rafael; Cornejo Tapia, Ángela; Aguilar Luis, Miguel Angel; Valle Mendoza, Luis Javier del; Silva Caso, Wilmer; Zabaleta Gavidia, Víctor; Weilg Espejo, Pablo; Cornejo Pacheres, Hernán; Bazan Mayra, Jorge; Puyen Guerra, Zully Margoth; Valle Mendoza, Juana del (2020-11-03)
      Article
      Open Access
      Acute infective gastroenteritis (AIG) is a leading cause of mortality in children worldwide. In Peru, more than 40% of cases of AIG occurring in children under 5 years old. The disruption of the gut microbiota can increase ...
    • High prevalence of Mycoplasma pneumoniae and Chlamydia pneumoniae in children with acute respiratory infections from Lima, Peru 

      Valle Mendoza, Juana del; Orellana Peralta, Fiorella; Marcelo Rodríguez, Alvaro; Verne, Eduardo; Esquivel Vizcarra, Mónica; Silva Caso, Wilmer; Aguilar Luis, Miguel Angel; Weilg Espejo, Pablo; Casabona Oré, Veronica; Ugarte, Claudia; Valle Mendoza, Luis Javier del (2017-01-27)
      Article
      Open Access
      Background Mycoplasma pneumoniae and Chlamydia pneumoniae are atypical pathogens responsible for pneumonia and a leading cause of morbidity and mortality in low income countries. The study objective is to determine the ...
    • Identification of coinfections by viral and bacterial pathogens in covid-19 hospitalized patients in peru: Molecular diagnosis and clinical characteristics 

      Pérez Lazo, Giancarlo; Silva Caso, Wilmer; Valle Mendoza, Juana del; Morales Moreno, Adriana; Ballena López, José; Soto Febres, Fernando; Martins Luna, Johanna Elizabeth; Carrillo Ng, Hugo; Valle Mendoza, Luis Javier del; Kym, Sungmin; Aguilar Luis, Miguel Angel; Peña Tuesta, Isaac; Tinco Valdez, Carmen; Illescas, Luis Ricardo (2021-11-01)
      Article
      Open Access
      The impact of respiratory coinfections in COVID-19 is still not well understood despite the growing evidence that consider coinfections greater than expected. A total of 295 patients older than 18 years of age, hospitalized ...
    • Incidence of respiratory viruses in peruvian children with acute respiratory infections 

      Valle Mendoza, Juana del; Cornejo Tapia, Angela; Weilg Espejo, Pablo; Verne, Eduardo; Nazario Fuertes, Ronald; Ugarte, Claudia; Valle Mendoza, Luis Javier del; Pumarola, Tomas (2015-06-01)
      Article
      Open Access
      Acute respiratory infections are responsible for high morbi-mortality in Peruvian children. However, the etiological agents are poorly identified. This study, conducted during the pandemic outbreak of H1N1 influenza in ...
    • Molecular detection of Bartonella bacilliformis in Lutzomyia maranonensis in Cajamarca, Peru: a new potential vector of Carrion's disease in Peru? 

      Ulloa, Gabriela M.; Vásquez Achaya, Fernando; Gomes, Cláudia; Valle Mendoza, Luis Javier del; Ruiz Blazquez, Joaquim; Pons, Maria J.; Valle Mendoza, Juana del (2018-11-07)
      Article
      Open Access
      Carrion’s disease is a neglected, vector-borne illness that affects Colombia, Ecuador, and especially Peru. The phlebotomine sand flies Lutzomyia verrucarum and Lutzomyia peruensis are the main illness vectors described, ...
    • Unidentified dengue serotypes in DENV positive samples and detection of other pathogens responsible for an acute febrile illness outbreak 2016 in Cajamarca, Peru 

      Valle Mendoza, Juana del; Vásquez Achaya, Fernando; Aguilar Luis, Miguel Angel; Martins Luna, Johanna Elizabeth; Bazan Mayra, Jorge; Zabaleta Gavidia, Víctor; Silva Caso, Wilmer; Carrillo Ng, Hugo; Tarazona Castro, Yordi Qesler; Aquino Ortega, Ronald; Valle Mendoza, Luis Javier del (2020-10-06)
      Article
      Open Access
      To describe the prevalence of dengue virus serotypes, as well as other viral and bacterial pathogens that cause acute febrile illness during an outbreak in Cajamarca in 2016. Dengue virus (DENV) was the most frequent ...
    • Variations in cervico-vaginal microbiota among HPV-positive and HPV-negative asymptomatic women in Peru 

      Carrillo Ng, Hugo; Becerra Goicochea, Lorena; Tarazona Castro, Yordi Qesler; Pinillos Vilca, Luis; Valle Mendoza, Luis Javier del; Aguilar Luis, Miguel Angel; Tinco Valdez, Carmen; Silva Caso, Wilmer; Martins Luna, Johanna Elizabeth; Peña Tuesta, Isaac; Aquino Ortega, Ronald; Valle Mendoza, Juana del (2021-12-01)
      Article
      Open Access
      Objective:To characterize the cervicovaginal microbiota of HPV-positive and HPV-negative asymptomatic Peruvian women, by identifying the presence of 13 representative bacteria genus.Results:A total of 100 HPV-positive and ...