J Torres

Summary

Country: Mexico

Publications

  1. ncbi request reprint A comprehensive review of the natural history of Helicobacter pylori infection in children
    J Torres
    Unidad de Investigación Médica en Enfermedades Infecciosas, Centro Medico Nacional Siglo XXI, Instituto Mexicano del Seguro Social IMSS, Mexico City, Mexico
    Arch Med Res 31:431-69. 2000
  2. pmc Specific serum immunoglobulin G response to urease and CagA antigens of Helicobacter pylori in infected children and adults in a country with high prevalence of infection
    Javier Torres
    Unidad de Investigacion en Enfermedades Infecciosas, Hospital de Pediatria, CMN SXXI, Instituto Mexicano del Seguro Social IMSS, Av Cuauhtemoc 330, Mexico D F, 06720 Mexico City, Mexico
    Clin Diagn Lab Immunol 9:97-100. 2002
  3. ncbi request reprint Trends in Helicobacter pylori infection and gastric cancer in Mexico
    Javier Torres
    Infectious Diseases Research Unit, Pediatric Hospital CMN SXXI, Instituto Mexicano del Seguro Social, Morelos, Mexico
    Cancer Epidemiol Biomarkers Prev 14:1874-7. 2005
  4. ncbi request reprint [Epidemiologic and clinical aspects of Helicobacter pylori infection in children]
    J Torres
    Unidad de Investigación Médica en Enfermedades Infecciosas, Hospital de Pediatria, Centro Medico Nacional Siglo XXI, Instituto Mexicano del Seguro Social
    Rev Gastroenterol Mex 65:13-9. 2000
  5. ncbi request reprint Infection with CagA+ Helicobacter pylori strains as a possible predictor of risk in the development of gastric adenocarcinoma in Mexico
    J Torres
    Unidad de Investigación Médica en Enfermedades Infecciosas, Hospital de Pediatria, Instituto Mexicano del Seguro Social, Mexico City, DF
    Int J Cancer 78:298-300. 1998
  6. ncbi request reprint A community-based seroepidemiologic study of Helicobacter pylori infection in Mexico
    J Torres
    Unidad de Investigación Médica en Enfermedades Infecciosas, Instituto Mexicano del Seguro Social, Mexico City, Mexico
    J Infect Dis 178:1089-94. 1998
  7. pmc Increasing multidrug resistance in Helicobacter pylori strains isolated from children and adults in Mexico
    J Torres
    Unidad de Investigación Médica en Enfermedades Infecciosas, Instituto Mexicano del Seguro Social, Centro Medico Nacional Siglo XXI, Mexico City, Mexico
    J Clin Microbiol 39:2677-80. 2001
  8. pmc Validation of the string test for the recovery of Helicobacter pylori from gastric secretions and correlation of its results with urea breath test results, serology, and gastric pH levels
    J Torres
    Unidad de Investigacion en Enfermedades Infecciosas, Coordinación de Investigación, IMSS, Mexico City, Mexico
    J Clin Microbiol 39:1650-1. 2001
  9. ncbi request reprint A comparison of Lewis x and Lewis y expression in Helicobacter pylori obtained from children and adults
    L Munoz
    Unidad de Investigacion en Enfermedades Infecciosas, Hospital de Pediatria, Instituto Mexicano del Seguro Social, Mexico City, Mexico
    J Infect Dis 183:1147-51. 2001
  10. pmc Heterogeneity in the activity of Mexican Helicobacter pylori strains in gastric epithelial cells and its association with diversity in the cagA gene
    Adriana Reyes-Leon
    Unidad de Investigacion Medica en Enfermedades Infecciosas y Parasitarias, Hospital de Pediatria, Centro Medico Nacional Siglo XXI, Instituto Mexicano del Seguro Social IMSS, Av Cuauhtemoc 330, Mexico, DF CP 06725, Mexico
    Infect Immun 75:3445-54. 2007

Collaborators

  • Eduardo Lazcano-Ponce
  • Marianella Perrone
  • O Munoz
  • J Guarner
  • A Gomez
  • K J Goodman
  • Rosalia Lira
  • G Gonzalez
  • J C Atherton
  • Richard H Argent
  • B D Gold
  • G I Perez Perez
  • Jaime Belkind-Gerson
  • Steffen Backert
  • P Correa
  • Herbert L DuPont
  • NINA REDA SALAMA
  • D P Letley
  • David Yates Graham
  • Margarita Camorlinga-Ponce
  • Gerardo Gonzalez-Valencia
  • Gerardo C Palacios
  • Guadalupe Gordillo-Pérez
  • F Raul Velazquez
  • Leopoldo Munoz
  • Francisco Aviles-Jimenez
  • G Gordillo-Pérez
  • Alejandra Trejo-de la O
  • Carmen Maldonado-Bernal
  • Lourdes Alvarez-Arellano
  • Adriana Reyes-Leon
  • Rosenda I Peñaloza-Espinosa
  • Martha Eugenia Ruiz-Tachiquín
  • Claudia Velázquez
  • Maria N Gonzalez
  • Magdalena Beltran
  • Jose L Arredondo
  • Fortino Solorzano
  • A D Alanís
  • Irma Ramos
  • Fortino Solórzano-Santos
  • Teresa Estrada-Garcia
  • Margarita Dehesa-Violante
  • Ma Tereza Alvarez-Muñoz
  • M Constanza Camargo
  • Peter P Eamranond
  • M Camorlinga-Ponce
  • Yelda Leal-Herrera
  • Adelina Jimenez-Arellanes
  • G Gonzalez-Valencia
  • M E Bustamante-Calvillo
  • L Munoz
  • M T Alvarez-Muñoz
  • O J Polaco
  • F Solorzano-Santos
  • A Rivera
  • M Vargas
  • L Alvarado
  • Martha Perez-Rodríguez
  • L Flores Luna
  • Leopoldo Muñoz-Perez
  • Jesús Aguirre-García
  • Eduardo Lazcano
  • Rolando Herrero
  • Fernando Bernal-Sahagún
  • Nubia Munoz
  • Rosario Morales-Espinosa
  • José M Abdo-Francis
  • Juan Miguel Abdo-Francis
  • Lourdes Flores-Luna
  • R Hernandez
  • Guillermo Ramon
  • Dan Lipsker
  • Fabio Salamanca
  • Irma Mendoza
  • Benoit Jaulhac
  • Diego Arenas-Aranda
  • Mario Flores
  • Lucila Sandoval
  • Muñoz Onofre
  • Vicencio Juárez-Barreto
  • Francisco Loeza
  • Onofre Muñoz-Hernández
  • Leonor Buentello-Malo
  • Ma Teresa Alvarez-Muñoz
  • Edmundo Velázquez
  • Berenice Alvarez
  • S Giono
  • G Ramon
  • Sylvie De Martino

Detail Information

Publications42

  1. ncbi request reprint A comprehensive review of the natural history of Helicobacter pylori infection in children
    J Torres
    Unidad de Investigación Médica en Enfermedades Infecciosas, Centro Medico Nacional Siglo XXI, Instituto Mexicano del Seguro Social IMSS, Mexico City, Mexico
    Arch Med Res 31:431-69. 2000
    ..pylori-infected children need to be established. Multicenter pediatric studies should focus on the identification of risk factors, which can be used as prognostic indicators for the development of gastroduodenal disease later in life...
  2. pmc Specific serum immunoglobulin G response to urease and CagA antigens of Helicobacter pylori in infected children and adults in a country with high prevalence of infection
    Javier Torres
    Unidad de Investigacion en Enfermedades Infecciosas, Hospital de Pediatria, CMN SXXI, Instituto Mexicano del Seguro Social IMSS, Av Cuauhtemoc 330, Mexico D F, 06720 Mexico City, Mexico
    Clin Diagn Lab Immunol 9:97-100. 2002
    ..These differences in the humoral response may be important for the short-term or long-term outcome of the infection. These results add to our knowledge of the epidemiology of H. pylori infection...
  3. ncbi request reprint Trends in Helicobacter pylori infection and gastric cancer in Mexico
    Javier Torres
    Infectious Diseases Research Unit, Pediatric Hospital CMN SXXI, Instituto Mexicano del Seguro Social, Morelos, Mexico
    Cancer Epidemiol Biomarkers Prev 14:1874-7. 2005
  4. ncbi request reprint [Epidemiologic and clinical aspects of Helicobacter pylori infection in children]
    J Torres
    Unidad de Investigación Médica en Enfermedades Infecciosas, Hospital de Pediatria, Centro Medico Nacional Siglo XXI, Instituto Mexicano del Seguro Social
    Rev Gastroenterol Mex 65:13-9. 2000
    ..pylori infection in children, including identification of risk factors for infection, identification of prognostic indicators for the development of gastroduodenal disease later in life, and the host response to infection...
  5. ncbi request reprint Infection with CagA+ Helicobacter pylori strains as a possible predictor of risk in the development of gastric adenocarcinoma in Mexico
    J Torres
    Unidad de Investigación Médica en Enfermedades Infecciosas, Hospital de Pediatria, Instituto Mexicano del Seguro Social, Mexico City, DF
    Int J Cancer 78:298-300. 1998
    ..These results support the possible role of CagA(+) status as predictor of risk for gastric adenocarcinoma in Mexico; this is in agreement with results in European and American populations, but contrary to studies in some Asian countries...
  6. ncbi request reprint A community-based seroepidemiologic study of Helicobacter pylori infection in Mexico
    J Torres
    Unidad de Investigación Médica en Enfermedades Infecciosas, Instituto Mexicano del Seguro Social, Mexico City, Mexico
    J Infect Dis 178:1089-94. 1998
    ..42), and low socioeconomic level (OR, 1.43) were risk factors for infection. Prevalence was similar in urban and in rural communities (OR, 0.95). This study is the largest community-based seroepidemiologic study of H. pylori to date...
  7. pmc Increasing multidrug resistance in Helicobacter pylori strains isolated from children and adults in Mexico
    J Torres
    Unidad de Investigación Médica en Enfermedades Infecciosas, Instituto Mexicano del Seguro Social, Centro Medico Nacional Siglo XXI, Mexico City, Mexico
    J Clin Microbiol 39:2677-80. 2001
    ..Resistance to two or more antimicrobials increased significantly from 1995 to 1997...
  8. pmc Validation of the string test for the recovery of Helicobacter pylori from gastric secretions and correlation of its results with urea breath test results, serology, and gastric pH levels
    J Torres
    Unidad de Investigacion en Enfermedades Infecciosas, Coordinación de Investigación, IMSS, Mexico City, Mexico
    J Clin Microbiol 39:1650-1. 2001
    ..The results of string culture did not correlate with the UBT results, with serum antibody levels, or with the pH levels of gastric secretions...
  9. ncbi request reprint A comparison of Lewis x and Lewis y expression in Helicobacter pylori obtained from children and adults
    L Munoz
    Unidad de Investigacion en Enfermedades Infecciosas, Hospital de Pediatria, Instituto Mexicano del Seguro Social, Mexico City, Mexico
    J Infect Dis 183:1147-51. 2001
    ..01). A trend analysis showed a significant decline in frequency of clones expressing Le(x) with age (P=.021). In this community, expression of Le antigens differs in H. pylori isolates obtained from children versus adults...
  10. pmc Heterogeneity in the activity of Mexican Helicobacter pylori strains in gastric epithelial cells and its association with diversity in the cagA gene
    Adriana Reyes-Leon
    Unidad de Investigacion Medica en Enfermedades Infecciosas y Parasitarias, Hospital de Pediatria, Centro Medico Nacional Siglo XXI, Instituto Mexicano del Seguro Social IMSS, Av Cuauhtemoc 330, Mexico, DF CP 06725, Mexico
    Infect Immun 75:3445-54. 2007
    ..cag pathogenicity island-positive H. pylori isolates displayed a high level of heterogeneity in the capacity to induce IL-8 secretion and morphological changes; an absent or modified B motif was associated with low activity...
  11. ncbi request reprint [Incidence of Helicobacter pylori infection in a cohort of infants in the State of Morelos]
    J Belkind-Gerson
    Divisiones de Gastroenterología e Investigación, Hospital del Niño Morelense, Calle Gustavo Gómez Azcárate 205, Colonia Lomas de la Selva, 62270, Cuernavaca, Morelos, Mexico
    Salud Publica Mex 43:122-6. 2001
    ..To study the incidence of Helicobacter pylori infection in infants from the State of Morelos, Mexico...
  12. pmc Topographical localisation of cagA positive and cagA negative Helicobacter pylori strains in the gastric mucosa; an in situ hybridisation study
    M Camorlinga-Ponce
    Unidad de Investigacion en Enfermedades Infecciosas, Hospital de Pediatria, Instituto Mexicano del Seguro Social, Mexico
    J Clin Pathol 57:822-8. 2004
    ..The cagA gene is a marker for the presence of the cag pathogenicity island, and the presence of cagA positive strains of Helicobacter pylori can identify individuals with a higher risk of developing gastrointestinal diseases...
  13. doi request reprint Demonstration of Borrelia burgdorferi sensu stricto infection in ticks from the northeast of Mexico
    G Gordillo-Pérez
    Unidad de Investigación Médica en Enfermedades Infecciosas, Hospital de Pediatria, Centro Medico Nacional SXXI IMSS, Mexico City, Mexico
    Clin Microbiol Infect 15:496-8. 2009
    ..burgdorferi sensu stricto. These findings, together with reports of indigenous cases, fulfil the criteria that allow northeastern Mexico to be considered as a zone endemic for Lyme disease...
  14. ncbi request reprint Immune and proliferative cellular responses to Helicobacter pylori infection in the gastric mucosa of Mexican children
    Leopoldo Munoz
    Unidad de Investigacion en Enfermedades Infecciosas, Hospital de Pediatria, CMN SXXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
    Helicobacter 12:224-30. 2007
    ..Mexico has a high H. pylori prevalence in children, but a low risk of gastric cancer. The aim of this work was to study the cellular responses of the gastric mucosa to this infection in Mexican children...
  15. ncbi request reprint Molecular detection of respiratory syncytial virus in postmortem lung tissue samples from Mexican children deceased with pneumonia
    M E Bustamante-Calvillo
    Unidad de Investigacion Medica en Enfermedades Infecciosas y Parasitarias, Hospital de Pediatria, Mexico City, Mexico
    Pediatr Infect Dis J 20:495-501. 2001
    ..To determine the frequency of RSV infection in lung tissue samples from Mexican children deceased with pneumonia, by reverse transcription (RT) and PCR...
  16. ncbi request reprint Hepatitis C virus RNA (HCV-RNA) in blood donors and family members seropositive for anti-HCV antibodies
    M T Alvarez-Muñoz
    Unidad de Investigacion Medica en Enfermedades Infecciosas y Parasitarias, Hospital de Pediatria, Centro Medico Nacional Siglo XXI CMN SXXI, Instituto Mexicano del Seguro Social IMSS, Mexico City, Mexico
    Arch Med Res 32:442-5. 2001
    ..The aim of this work was to determine hepatitis C virus RNA (HCV-RNA) in a group of blood donors and their household contacts. Serotype and genotype of the isolates were also studied...
  17. ncbi request reprint Antibacterial properties of some plants used in Mexican traditional medicine for the treatment of gastrointestinal disorders
    A D Alanís
    Unidad de Investigación Médica en Farmacología de Productos Naturales, Hospital de Pediatria, 2 Piso, Centro Medico Nacional Siglo XXI, IMSS, Av Cuauhtemoc 330, Col Doctores, CP 06725 México, D F, Mexico
    J Ethnopharmacol 100:153-7. 2005
    ..Shigella sonnei species showed the highest susceptibility to both extracts. This is the first evaluation of these plants against bacterial pathogen isolates, which cause diarrhea and dysentery in Mexican population...
  18. pmc Lewis antigen expression by Helicobacter pylori strains colonizing different regions of the stomach of individual patients
    Gerardo Gonzalez-Valencia
    Unidad de Investigacion en Enfermedades Infecciosas, Hospital de Pediatria, IMSS, Mexico
    J Clin Microbiol 46:2783-5. 2008
    ..Le(y) was expressed more in strains colonizing antrum than in strains colonizing fundus, whereas Le(x) was more common in fundus strains. cagA(+) strains were more associated with Le-negative strains...
  19. doi request reprint TLR4 single-nucleotide polymorphisms alter mucosal cytokine and chemokine patterns in Mexican patients with Helicobacter pylori-associated gastroduodenal diseases
    Alejandra Trejo-de la O
    Unidad de Investigacion en Enfermedades Infecciosas, Hospital de Pediatria, Centro Medico Nacional Siglo XXI, IMSS, Mexico City, Mexico
    Clin Immunol 129:333-40. 2008
    ..pylori-associated disease and with modified pattern of inflammatory cytokines and chemokines in the gastric mucosa. These results suggest that TLR4 SNPs contributes importantly to the clinical outcome of H. pylori infection...
  20. doi request reprint Age and severity of mucosal lesions influence the performance of serologic markers in Helicobacter pylori-associated gastroduodenal pathologies
    Margarita Camorlinga-Ponce
    Unidad de Investigacion en Enfermedades Infecciosas, Hospital de Pediatria, Instituto Mexicano del Seguro Social, Morelos, Mexico
    Cancer Epidemiol Biomarkers Prev 17:2498-504. 2008
    ..We aimed to study H. pylori infection and antibody response to CagA in patients with non-atrophic gastritis, preneoplastic lesions, and gastric cancer...
  21. ncbi request reprint [Importance of IgG anti-CagA antibodies of Helicobacter pylori in Venezuelan patients with gastric diseases]
    Marianella Perrone
    Instituto de Investigaciones Odontologicas, Facultad de Odontologia, Universidad Central de Venezuela, Caracas, Venezuela
    Invest Clin 46:357-67. 2005
    ..8%, 77.7% y 40.8% respectively. The serum antibodies anti-CagA were similar between peptic ulcer disease and gastric cancer patients...
  22. doi request reprint Pathogenesis of Helicobacter pylori infection
    Javier Torres
    Unidad de Investigacion en Enfermedades Infecciosas, UMAE Pediatria, IMSS, Mexico
    Helicobacter 13:13-7. 2008
    ..An animal model using the Mongolian gerbil is a useful system to study the gastric pathology of H. pylori infection...
  23. ncbi request reprint Determinants of Helicobacter pylori seroprevalence in Mexican adolescents
    M Constanza Camargo
    Center for Population Health Research, National Institute of Public Health, Cuernauaca, Mexico
    Helicobacter 9:106-14. 2004
    ..In this study we determined the H. pylori seroprevalence among adolescents in Morelos, Mexico, and explored the association between seroprevalence and socioeconomic, dietary and lifestyle variables...
  24. ncbi request reprint [Seroepidemiologic study of Lyme's borreliosis in Mexico City and the northeast of the Mexican Republic]
    Guadalupe Gordillo-Pérez
    Unidad de Investigación Médica en Enfermedades Infecciosas, Hospital de Pediatria, Centro Medico Nacional Siglo XXI, IMSS, Avenida Cuauhtemoc 330, colonia Doctores 06725 México, DF, Mexico
    Salud Publica Mex 45:351-5. 2003
    ..To detect serological evidence of B burgdorferi infection in individuals from Mexico City and from the Northeast Region of the country...
  25. pmc Age-specific immune response to HspA in Helicobacter pylori-positive persons in Mexico
    Peter P Eamranond
    Vanderbilt University School of Medicine, Nashville, Tennessee, USA
    Clin Diagn Lab Immunol 11:983-5. 2004
    ..J. Blaser, J. Infect. Dis. 174:1046-1050, 1996). As determined by using a specific enzyme-linked immunosorbent assay, HspA seropositivity among 592 individuals in Mexico was <10% in children and increased to >40% in adults...
  26. ncbi request reprint The association of intestinal parasitosis and H. pylori infection in children and adults from a Mexican community with high prevalence of parasitosis
    Javier Torres
    Unidad de Investigacion en Enfermedades Infecciosas, IMSS, Mexico
    Helicobacter 8:179-85. 2003
    ..Some parasitic infections induce a polarized Th2 response, which theoretically would favor a reduced H. pylori prevalence. The aim of this work was to study the possible association between parasitic infections and H. pylori prevalence...
  27. pmc Genetic analysis of Helicobacter pylori strain populations colonizing the stomach at different times postinfection
    Nina R Salama
    Human Biology Division, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109 1024, USA
    J Bacteriol 189:3834-45. 2007
    ....
  28. ncbi request reprint High rates of recurrence and of transient reinfections of Helicobacter pylori in a population with high prevalence of infection
    Yelda Leal-Herrera
    Unidad de Investigacion en Enfermedades Infecciosas, Centro Medico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
    Am J Gastroenterol 98:2395-402. 2003
    ..pylori) infection after eradication treatment. The aims of this study were to determine the magnitude of H. pylori reinfection versus recrudescence, and to identify possible risk factors for reinfection...
  29. ncbi request reprint Activity against multidrug-resistant Mycobacterium tuberculosis in Mexican plants used to treat respiratory diseases
    Adelina Jimenez-Arellanes
    Unidad de Investigación Médica en Farmacología de Productos Naturales, Hospital de Pediatria, Centro Medico Nacional Siglo XXI, IMSS, Mexico
    Phytother Res 17:903-8. 2003
    ....
  30. ncbi request reprint Intensity of inflammation, density of colonization and interleukin-8 response in the gastric mucosa of children infected with Helicobacter pylori
    Margarita Camorlinga-Ponce
    Unidad de Investigación Médica en Enfermedades Infecciosas, Instituto Nacional de la Nutrición Salvador Subirán, Mexico
    Helicobacter 8:554-60. 2003
    ..pylori-infected children. The aim of this study was to determine the intensity of inflammation, density of colonization and magnitude of IL-8 response in children with and without H. pylori infection...
  31. ncbi request reprint Natural rotavirus infection is not associated to intussusception in Mexican children
    F Raul Velazquez
    Unidad de Investigacion Medica en Enfermedades Infecciosas y Parasitarias, Hospital de Pediatria, Centro Medico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
    Pediatr Infect Dis J 23:S173-8. 2004
    ..To determine whether natural rotavirus infection or infection by another enteropathogen is associated to intussusception (IS); and to describe the seasonality of IS compared with severe diarrhea (SD) and rotavirus SD in Mexican children...
  32. ncbi request reprint Characterization of mtDNA haplogroups in 14 Mexican indigenous populations
    Rosenda I Peñaloza-Espinosa
    Unidad de Investigacion Medica en Genetica Humana, Centro Medico Nacional, Siglo XXI, Instituto Mexicano del Seguro Social, Apdo Postal E 014, Coahuila 5, Col Roma CP 06703, Mexico City, Mexico
    Hum Biol 79:313-20. 2007
    ..According to these findings, the distribution of mtDNA haplogroups found in Mexican indigenous groups is similar to other Amerindian haplogroups, except for the African haplogroup found in one population...
  33. ncbi request reprint Activation of human neutrophils with Helicobacter pylori and the role of Toll-like receptors 2 and 4 in the response
    Lourdes Alvarez-Arellano
    Infectious Diseases Research Unit, Hospital de Pediatria, Centro Medico Nacional SXXI, IMSS, Mexico City, Mexico
    FEMS Immunol Med Microbiol 51:473-9. 2007
    ..pylori-induced production of IL-8 and IL-10. In human neutrophils, H. pylori induces an early inflammatory response, partially mediated via TLR2 and TLR4 activation...
  34. ncbi request reprint High correlation of human immunodeficiency virus type-1 viral load measured in dried-blood spot samples and in plasma under different storage conditions
    Ma Tereza Alvarez-Muñoz
    Unidad de Investigación Médica en Enfermedades Infecciosas, Instituto Mexicano del Seguro Social IMSS, Mexico City, Mexico
    Arch Med Res 36:382-6. 2005
    ..We evaluated the utility of the determination of HIV-1 RNA concentration in blood samples dried on filter paper (DBS) and subjected to different conditions, as contrasted with determination in plasma...
  35. pmc Evolution of the Helicobacter pylori vacuolating cytotoxin in a human stomach
    Francisco Aviles-Jimenez
    Wolfson Digestive Diseases Centre, University Hospital, Nottingham NG7 2UH, United Kingdom
    J Bacteriol 186:5182-5. 2004
    ..The differences are consistent with homologous recombination with DNA from another strain and result in a changed vacA midregion and, importantly, in changed toxicity...
  36. pmc Molecular analysis of hepatitis B virus "a" determinant in asymptomatic and symptomatic Mexican carriers
    Martha Eugenia Ruiz-Tachiquín
    Unidad de Investigacion en Enfermedades Infecciosas, Unidad Médica de Alta Especialidad Pediatría, Centro Medico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico DF, Mexico
    Virol J 4:6. 2007
    ..To compare the genotype and sequence of the "a" determinant between strains isolated from asymptomatic and symptomatic Mexican HBV carriers...
  37. ncbi request reprint High-virulence clone of group B streptococci unable to grow at high temperatures is present in serotypes other than type III
    Gerardo C Palacios
    Departamento de Infectologia and Unidad de Investigacion en Enfermedades Infecciosas y Parasitarias, Hospital de Pediatria, Centro Medico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
    Curr Microbiol 54:42-7. 2007
    ..These results demonstrate that HVC is more prevalent in Mexico than previously reported and that this clone is not restricted to serotype III isolates...
  38. ncbi request reprint Serotypes of 286 group B streptococci isolated from asymptomatic carriers and invasive disease cases in Mexico
    Gerardo C Palacios
    Departamento de Infectología y Unidad de Investigación en Enfermedades Infecciosas y Parasitarias, Hospital de Pediatria, Centro Medico Nacional Siglo XXI, Instituto Mexicano del Seguro Social
    Rev Latinoam Microbiol 47:21-4. 2005
    ..The aim of this study was to determine the serotype distribution in a collection of 286 GBS strains isolated in Mexico from asymptomatic carriers and in adult and neonatal invasive disease cases...
  39. ncbi request reprint Antisecretory activity of plants used to treat gastrointestinal disorders in Mexico
    Claudia Velázquez
    Unidad de Investigación Médica en Farmacología de Productos Naturales, Hospital de Pediatria, 2 degrees Piso, Centro Medico Nacional Siglo XXI, IMSS, Col Doctores, CP 06725, Mexico DF
    J Ethnopharmacol 103:66-70. 2006
    ..4 and 86.0%, respectively. The results obtained in this study give some scientific support to the use of the Mexican medicinal plants employed for the treatment of gastrointestinal disorders such as diarrhea...
  40. ncbi request reprint Diarrhea morbidity and mortality in Mexican children: impact of rotavirus disease
    F Raul Velazquez
    Unidad de Investigacion Medica en Enfermedades Infecciosas y Parasitarias, Hospital de Pediatria, Centro Medico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
    Pediatr Infect Dis J 23:S149-55. 2004
    ..To analyze changes in prevalence and seasonality of diarrhea morbidity and mortality and to evaluate the impact of rotavirus disease among Mexican children younger than 5 years old...
  41. pmc Drug-resistant diarrheogenic Escherichia coli, Mexico
    Teresa Estrada-Garcia
    Centro de Investigacion y de Estudios Avanzados del Instituto Politecnico Nacional, Mexico City, Distrito Federal, Mexico
    Emerg Infect Dis 11:1306-8. 2005
    ..Ciprofloxacin and cefotaxime were uniformly active. Effective and safe oral agents are needed to treat children with bacterial diarrhea...
  42. pmc Borrelia burgdorferi infection and cutaneous Lyme disease, Mexico
    Guadalupe Gordillo-Pérez
    Instituto Mexicano del Seguro Social, Mexico City, Mexico
    Emerg Infect Dis 13:1556-8. 2007
    ..Clinical diagnosis was supported with histologic, serologic, and molecular tests. This study suggests the Borrelia burgdorferi infection is in Mexico...