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Ricardo Cortes-Alcala, Gaël Dos Santos, Rodrigo DeAntonio, Raghavendra Devadiga, Cuitlahuac Ruiz-Matus, Maria E Jimenez-Corona, Jose A Diaz-Quinonez, Luis Romano-Mazzotti, Maria Yolanda Cervantes-Apolinar, Pablo Kuri-Morales
Despite vaccination programs, influenza still represents a significant disease burden in Mexico. We conducted an observational, retrospective analysis to better understand the epidemiological situation of the influenza virus in Mexico. Analysis of the seasonal patterns of influenza A and B were based on the Directorate General of Epidemiology dataset of influenza-like illness(ILI), and severe acute respiratory infection(SARI) that were recorded between January 2010 and December 2013. Our objectives were 1) to describe influenza A and B activity, by age group, and subtype and, 2) to analyze the number of laboratory-confirmed cases presenting with ILI by influenza type, the regional distribution of influenza, and its clinical features...
May 10, 2018: Human Vaccines & Immunotherapeutics
Cuitlahuac Arroyo-Rodríguez, Olga Rosa Brito-Zurita, Santiago Sandoval-Navarrete, Rogelio Solis-Vásquez, José Manuel Ornelas-Aguirre, Celestino Olea-Hernández, César Vásquez-Serna, Amanda Marcela Castelan-Ojeda
INTRODUCTION: Three-vessel coronary artery disease is an advanced manifestation of atherosclerosis, with high prevalence in Mexico. OBJECTIVE: The aim of this study was to describe coronary risk factors in a group of patients with three-vessel coronary artery disease in Northwest Mexico. METHODS: A cross sectional study was conducted on a population with three-vessel coronary artery disease from May 2015 to February 2016. The disease was defined when ≥70% stenosis was present in each major epicardial coronary artery...
March 26, 2018: Archivos de Cardiología de México
Luis Cuitláhuac Becerra-Pedraza, Luis Enrique Jiménez-Martínez, Iran Peña-Morfin, Rogelio Nava-Esquivel, Juan Alfredo Villegas-Martínez
INTRODUCTION: Priapism is an uncommon sign and sometimes considered a diagnosis challenge into systemic disease; this is defined as ≥4 h continuous penile erection, without sexual stimulation. We state that this work has been reported in line with the SCARE criteria PRESENTATION OF CASE: A Mexican 52-year-old man was brought to the emergency room with priapism of six days of evolution. His medical history reported fatigue and waxy pallor had begun a month ago, the rest of interrogation was unremarked...
2018: International Journal of Surgery Case Reports
Cuitlahuac Chavez-Pena, Amine A Kamen
The baculovirus expression vector system (BEVS) is a popular manufacturing platform for the production of recombinant proteins, antiviral vaccines, gene therapy vectors, and biopesticides. Besides its successful applications in the industrial sector, the system has also played a significant role within the academic community given its extensive use in the production of hard-to-express eukaryotic multiprotein complexes for structural characterization for example. However, as other expression platforms, BEVS has to be continually improved to overcome its limitation and adapt to the constant demand for manufacturing processes that provide recombinant products with improved quality at higher yields and lower production cost...
March 2018: Biotechnology Advances
Arnulfo Cuitláhuac Arroyo-Rodríguez, David-Leonel Molina-Cancino, Eduardo Arias-Navarro, Aurora Del Carmen Ojeda-Peña, Santiago Sandoval-Navarrete
No abstract text is available yet for this article.
April 2018: Archivos de Cardiología de México
Herón Huerta, Jesús Felipe González-Roldán, Gustavo Sánchez-Tejeda, Fabián Correa-Morales, Francisco Eduardo Romero-Contreras, Raúl Cárdenas-Flores, Mónica Liliana Rangel-Martínez, Juan Manuel Mata-Rivera, José de Jesús Siller-Martínez, Gonzalo M Vazquez-Prokopec, Pablo Manrique-Saide, Felipe Dzul-Manzanilla, Mauricio Vázquez-Pichardo, Claudia Rosales-Jiménez, María de la Luz Torres-Rodríguez, Alma Núñez-León, Belem Torres-Longoria, Irma López-Martínez, Cuitláhuac Ruíz-Matus, Pablo Antonio Kuri-Morales, José Alberto Díaz-Quiñónez
Background: We report on the results of an entomovirological surveillance system of Aedes populations performed by the Ministry of Health of the central state of San Luis Potosí, Mexico. Methods: Indoor adult Aedes aegypti and Aedes albopictus pools collected at San Martín, Tamazunchale, Ciudad Valles, Metlapa, Ebano, Tamuin and Axtla during the dry season of 2016 were examined for the presence of dengue (DENV), chikungunya (CHIKV) and Zika (ZIKV) viruses using real-time PCR...
July 1, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
Luis Cuitláhuac Becerra-Pedraza, Nezahualcóyotl Gonzaga Carlos, Genesis Rocio Calles Carmona, Daniel Arturo Martínez-Piña
No abstract text is available yet for this article.
October 19, 2017: Journal of Gastrointestinal Cancer
Carolina Garay-Morán, Juan Francisco Román-Pedroza, Irma López-Martínez, José Cruz Rodríguez-Martínez, Cuitláhuac Ruiz-Matus, Pablo Kuri-Morales, José Alberto Díaz-Quiñonez
On 6 December 2013, the Pan American Health Organization (PAHO) and the World Health Organization (WHO) reported confirmation of the first two cases of indigenous transmission of chikungunya fever (CHIK) in the Region of the Americas on the island of Sint Maarten (Netherlands Antilles). For the period 2013-2014, a total of 25 627 confirmed autochthonous cases were distributed in 43 countries, with Mexico reporting 155 cases in five states. Information on cases of CHIK in Mexico was obtained from the database of the General Directorate of Epidemiology (Ministry of Health of Mexico)...
August 21, 2017: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
Cuitláhuac Ruiz-Matus, Pablo Kuri-Morales, José Narro-Robles
The influenza virus spreads rapidly through recurring seasonal outbreaks during the fall and winter. Our country has the Epidemiological Surveillance System for Influenza (SISVEFLU), in operation since 2006, which has records of 558 health units of Influenza. According to the information recorded in it, we can see that the 2010-2016 influenza seasons have a biannual behavior, and that in the 2010-2011, 2012-2013, and 2014-2015 seasons, the predominant viral subtype was A (H3N2), while in the 2011-2012, 2013-2014, and 2015-2016 seasons, the predominant subtype was A (H1N1) pdm09, which was associated with an increased number of influenza cases and deaths...
March 2017: Gaceta Médica de México
José Alberto Díaz-Quiñonez, Irma López-Martínez, Belem Torres-Longoria, Mauricio Vázquez-Pichardo, Edith Cruz-Ramírez, José Ernesto Ramírez-González, Cuitláhuac Ruiz-Matus, Pablo Kuri-Morales
To assess the possible circulation of Zika virus (ZIKV) prior to the first documented case in Mexico, we reanalyzed the stored samples from the states of Veracruz and Yucatán, which were originally collected to test for dengue (DENV) and chikungunya (CHIKV) but were negative for these viruses despite the symptomatology. The samples were originally collected between the 30 and 46 epidemiological weeks (EW) when the ZIKV was not yet declared as a Public Health Emergency of International Concern (PHEIC). From the total 4016 negative samples, a total of one hundred samples, 50 from Veracruz (CHIK(-) DENV(-)) and 50 from Yucatán (4 CHIK(-) DENV(-) and 46 CHIK(-) or DENV(-)), were tested for Zika virus by using RT-PCR...
December 2016: Virus Genes
José Alberto Díaz-Quiñonez, Rocío Peña-Alonso, Edgar Mendieta-Condado, Fabiola Garcés-Ayala, Elizabeth González-Durán, Noé Escobar-Escamilla, Mauricio Vázquez-Pichardo, María de la Luz Torres-Rodríguez, Alma Núñez-León, Belem Torres-Longoria, Irma López-Martínez, Cuitláhuac Ruíz-Matus, Pablo Kuri-Morales, José Ernesto Ramírez-González
Zika virus belongs to the genus Flavivirus, and its spread remains an international public health emergency. In this report, we describe the obtainment and molecular characterization of a complete viral genome through the direct metagenomic analysis from saliva from an autochthonous transmission case in Mexico.
2016: Genome Announcements
Maria Eugenia Jimenez Corona, Ana Lucía De la Garza Barroso, Jose Cruz Rodriguez Martínez, Norma Irene Luna Guzmán, Cuitláhuac Ruiz Matus, José Alberto Díaz Quiñonez, Irma Lopez Martinez, Pablo A Kuri Morales
INTRODUCTION: Since 2014, autochthonous circulation of Zika virus (ZIKV) in the Americas was detected (Easter Island, Chile). In May 2015, Brazil confirmed autochthonous --transmission and in October of that year Colombia reported their first  cases. Now more than 52 countries have reported cases, including Mexico. To deal with this contingency in Mexico, several surveillance systems, in addition to systems for vector-borne diseases were strengthened with the participation of all health institutions...
2016: PLoS Currents
José Alberto Díaz-Quiñonez, Irma Hernández-Monroy, Norma Angélica Montes-Colima, María Asunción Moreno-Pérez, Adriana Guadalupe Galicia-Nicolás, Irma López-Martínez, Cuitláhuac Ruiz-Matus, Pablo Kuri-Morales, Joanna María Ortíz-Alcántara, Fabiola Garcés-Ayala, José Ernesto Ramírez-González
The first week of September 2013, the National Epidemiological Surveillance System identified two cases of cholera in Mexico City. The cultures of both samples were confirmed as Vibrio cholerae serogroup O1, serotype Ogawa, biotype El Tor. Initial analyses by PFGE and by PCR-amplification of the virulence genes, suggested that both strains were similar, but different from those previously reported in Mexico. The following week, four more cases were identified in a community in the state of Hidalgo, located 121 km northeast of Mexico City...
May 2016: Microbes and Infection
José Alberto Díaz-Quiñonez, Noé Escobar-Escamilla, Joanna Ortíz-Alcántara, Mauricio Vázquez-Pichardo, María de la Luz Torres-Rodríguez, Alma Nuñez-León, Belem Torres-Longoria, Irma López-Martínez, Cuitláhuac Ruiz-Matus, Pablo Kuri-Morales, José Ernesto Ramírez-González
We identified 25 autochthonous chikungunya virus cases in Mexico, initially detected by RT-PCR targeting the E1 gene and propagated in C6/36 Aedes albopictus cells, in 2014. To determine the type of virus found, in a previous report, the genomes of 2 CHIKV strains were fully sequenced. Genome sequence analysis revealed that these isolates from Mexico belonged to the Asian genotype, and a phylogenetic association with the circulating strain in the British Virgin Islands was also established in the same year...
February 2016: Virus Genes
José Alberto Díaz-Quiñonez, Joanna Ortiz-Alcántara, David Esaú Fragoso-Fonseca, Fabiola Garcés-Ayala, Noé Escobar-Escamilla, Mauricio Vázquez-Pichardo, Alma Núñez-León, María de la Luz Torres-Rodríguez, Belem Torres-Longoria, Irma López-Martínez, Cuitláhuac Ruíz-Matus, Pablo Kuri-Morales, José Ernesto Ramírez-González
The mosquito-borne chikungunya virus, an alphavirus of the Togaviridae family, is responsible for acute polyarthralgia epidemics. Here, we report the complete genome sequences of two chikungunya virus strains, InDRE04 and InDRE51, identified in the Mexican states of Jalisco and Chiapas in 2014. Phylogenetic analysis showed that both strains belong to the Asian genotype.
2015: Genome Announcements
José Alberto Díaz-Quiñonez, Irma Hernández-Monroy, Irma López-Martínez, Joanna Ortiz-Alcántara, Elizabeth González-Durán, Cuitláhuac Ruiz-Matus, Pablo Kuri-Morales, José Ernesto Ramírez-González
We present the draft genome sequence of Vibrio cholerae InDRE 3140 recovered in 2013 during a cholera outbreak in Mexico. The genome showed the Vibrio 7th pandemic islands VSP1 and VSP2, the pathogenic islands VPI-1 and VPI-2, the integrative and conjugative element SXT/R391 (ICE-SXT), and both prophages CTXφ and RS1φ.
2014: Genome Announcements
Alberto Díaz-Quiñonez, Irma Hernández-Monroy, Norma Montes-Colima, Asunción Moreno-Pérez, Adriana Galicia-Nicolás, Hugo Martínez-Rojano, Concepción Carmona-Ramos, Miroslava Sánchez-Mendoza, José Cruz Rodríguez-Martínez, Lorena Suárez-Idueta, María Eugenia Jiménez-Corona, Cuitláhuac Ruiz-Matus, Pablo Kuri-Morales
On September 2 and 6, 2013, Mexico's National System of Epidemiological Surveillance identified two cases of cholera in Mexico City. Rectal swab cultures from both patients were confirmed as toxigenic Vibrio cholerae serogroup O1, serotype Ogawa, biotype El Tor. Pulsed-field gel electrophoresis and virulence gene amplification (ctxA, ctxB, zot, and ace) demonstrated that the strains were identical to one another but different from strains circulating in Mexico previously. The strains were indistinguishable from the strain that has caused outbreaks in Haiti, the Dominican Republic, and Cuba...
June 27, 2014: MMWR. Morbidity and Mortality Weekly Report
Irma Lopez-Martinez, Amanda Balish, Gisela Barrera-Badillo, Joyce Jones, Tatiana E Nuñez-García, Yunho Jang, Rodrigo Aparicio-Antonio, Eduardo Azziz-Baumgartner, Jessica A Belser, José E Ramirez-Gonzalez, Janice C Pedersen, Joanna Ortiz-Alcantara, Elizabeth Gonzalez-Duran, Bo Shu, Shannon L Emery, Mee K Poh, Gustavo Reyes-Teran, Joel A Vazquez-Perez, Santiago Avila-Rios, Timothy Uyeki, Stephen Lindstrom, Julie Villanueva, Jerome Tokars, Cuitláhuac Ruiz-Matus, Jesus F Gonzalez-Roldan, Beverly Schmitt, Alexander Klimov, Nancy Cox, Pablo Kuri-Morales, C Todd Davis, José Alberto Diaz-Quiñonez
We identified 2 poultry workers with conjunctivitis caused by highly pathogenic avian influenza A(H7N3) viruses in Jalisco, Mexico. Genomic and antigenic analyses of 1 isolate indicated relatedness to poultry and wild bird subtype H7N3 viruses from North America. This isolate had a multibasic cleavage site that might have been derived from recombination with host rRNA.
2013: Emerging Infectious Diseases
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