[Clinical and epidemiological characteristics of rotavirus infection in children of Cumaná, Venezuela]Antonio Maldonado
Universidad de Oriente, Nucleo de Sucre, Cumana, Venezuela
Invest Clin 51:519-29. 2010
..Of 32 children vaccinated against rotavirus, 30 (93.8%) did not have HVR-A in their feces and there was a significant association between the vaccinated children and protection...
- Infection by Ascaris lumbricoides and bronchial hyper reactivity: an outstanding association in Venezuelan school children from endemic areas
I Hagel
Institute of Biomedicine, Faculty of Medicine, Central University of Venezuela, Caracas, Venezuela
Acta Trop 103:231-41. 2007
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- Role of the low affinity IgE receptor (CD23) on the IgE response against Ascaris lumbricoides in Warao Amerindian children from Venezuela
Isabel Hagel
Institute of Biomedicine, Faculty of Medicine, Central University of Venezuela, Caracas, Venezuela
Invest Clin 47:241-51. 2006
..However the different environmental and genetics factors involved in the capacity to develop efficient specific responses among the Warao population still need to be elucidated...
- Ascaris lumbricoides: an overview of therapeutic targets
Isabel Hagel
Seccion de Inmunoquimica, Instituto de Biomedicina Facultad de Medicina, UCV San Nicolás a Providencia, Parroquia Altagracia, Distrito Capital Apartado Postal 4043, Caracas 1010 A Venezuela
Infect Disord Drug Targets 10:349-67. 2010
..On the other hand, the identification of nematode antigens involved in different parasite vital functions as well as immunomodulatory molecules in animals and humans may contribute to future studies of new therapeutic approaches...
Co-infection with Ascaris lumbricoides modulates protective immune responses against Giardia duodenalis in school Venezuelan rural childrenI Hagel
Instituto de Biomedicina, Universidad Central de Venezuela, Ministerio de Salud, Venezuela
Acta Trop 117:189-95. 2011
..lumbricoides may affect both TH1 and TH2 type immunity against G. duodenalis that may play an important role in the susceptibility to the infection after chemotherapy in children from endemic areas...
- Secretory IgA antibody responses in Venezuelan children infected with Giardia duodenalis
Orquídea L Rodríguez
Institute of Biomedicine, Faculty of Medicine, Central University of Venezuela, Venezuela
J Trop Pediatr 50:68-72. 2004
..Thus, determinations of the levels of sIgA anti-Giardia could be a useful diagnostic tool for giardiasis in children...
- Prevalence of Helicobacter pylori infection in Warao lineage communities of Delta Amacuro State, Venezuela
Diana Ortiz
Instituto de Biomedicina, Ministerio de Salud y Desarrollo Social, Universidad Central de Venezuela, Caracas, Venezuela
Mem Inst Oswaldo Cruz 98:721-5. 2003
..The results indicate that in these populations there is a high prevalence of H. pylori infection and that poor hygienic conditions can increase the risk of infection and damage to the gastrointestinal tract...
- [Diarrheagenic Escherichia coli associated with acute diarrhea in children of Cumaná, Venezuela]
Erika Hannaoui
Universidad de Oriente, Nucleo de Sucre, Cumana, Venezuela
Invest Clin 51:489-500. 2010
..These results shown that the strains of DEC are important etiological agents in acute infectious diarrhea in children of Cumaná...
- Defective regulation of the protective IgE response against intestinal helminth Ascaris lumbricoides in malnourished children
I Hagel
Institute of Biomedicine, Faculty of Medicine, Central University of Venezuela, Caracas, Venezuela
J Trop Pediatr 49:136-42. 2003
..The high levels of total IgE observed may be related to a non-specific stimulation of the proliferation of activated B cells, probably caused by helminthic parasites and other infectious agents that are frequent in malnourished children...
- The role of parasites in genetic susceptibility to allergy: IgE, helminthic infection and allergy, and the evolution of the human immune system
Isabel Hagel
, Instituto de Biomedicina, Universidad Central de Venezuela, Caracas, Venezuela
Clin Rev Allergy Immunol 26:75-83. 2004
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- Immunological changes associated with clinical improvement of asthmatic children subjected to psychosocial intervention
M Castes
Department of Immunology, Laboratory of Psychoneuroimmunology, Institute of Biomedicine, Central University of Venezuela, Caracas, Venezuela
Brain Behav Immun 13:1-13. 1999
..These results are consistent with the possibility that PSI induces immunological alterations that are responsible for the clinical and physiological improvements observed in the study group...
- Variations in the serum levels of soluble CD23, nitric oxide and IgE across the spectrum of American cutaneous leishmaniasis
Maira Cabrera
Instituto de Biomedicina, Facultad de Medicina, Universidad Central de Venezuela, Apdo 4043 Carmelitas, 1010A, Caracas, Venezuela
Acta Trop 88:145-51. 2003
..DCL patients showed a positive correlation between both parameters. Overall results suggest that sCD23, IgE and NO may play different roles across the ACL spectrum...
- [Influence of helminthic infections and nutritional status on immune response in Venezuelan children]
D Ortiz
Instituto de Biomedicina, Universidad Central de Venezuela, San Nicolás a Providencia Parroquia San José al lado del Hospital Vargas, Caracas, Venezuela
Rev Panam Salud Publica 8:156-63. 2000
..Poor sanitary and socioeconomic conditions promote more exposure to gastrointestinal parasites and a deficient nutritional status, which modulates the immune response and affects serum IgE and secretory IgA production mechanisms...
- Importance of including Blomia tropicalis in the routine diagnosis of Venezuelan patients with persistent allergic symptoms
F A Puccio
Institute of Biomedicine, Central University of Venezuela, Caracas, Venezuela
Allergy 59:753-7. 2004
..CONCLUSIONS: The study indicated the importance of including B. tropicalis in routine diagnostic testing in tropical and sub-tropical situations...
