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Cienc. tecnol. salud ; 7(1): 53-61, 2020. ^c27 cmilus
Article in Spanish | LILACS | ID: biblio-1120402

ABSTRACT

El Virus Epstein Barr (EBV) está relacionado como agente oncogénico en el desarrollo del cáncer gástrico, atribuyéndosele el 10 % de los casos de esta neoplasia a nivel mundial. No existen estudios previos que identifiquen la presencia EBV en los pacientes con cáncer gástrico en Guatemala, por lo que en este estudio se evaluó por hibridación in situ la presencia del micro ARN EBER (Epstein Barr ­encoded RNAs) de EBV en 71 pacientes con cáncer gástrico que asistieron al Instituto de Cancerología (Incan). Se determinó una prevalencia de 21.1 % (IC 95 % [10.9, 31.3] ) (15 pacientes), mayor que la reportada en otros estudios latinoamericanos. Se determinó asociación significativa entre la expresión del EBER del EBV, y el género masculino OR = 4.9 (IC 95 % [1.4, 17.5]) p < .05. Los factores asociados fueron, el padecer diarrea OR 5.7 IC 95 % [1.5, 12.6] p = .008, y la detección del anticuerpos de Helicobacter pylori séricos, OR 7.2 (IC 95 % [1.1, 18.9]) p = .03. Aun cuando la mayoría de los pacientes que expresan el EBER de EBV desarrollaron cáncer gástrico del tipo difuso 66.67 % no existe asociación significativa p = 0.13 OR = 2.5 (IC 95 % [1.1, 8.2]).


The Epstein Barr Virus (EBV) is related, as an oncogenic agent, in the development of gastric cancer, accounting for 10 % of the cases of this neoplasm worldwide. There are no previous studies that identify the presence of EBV in patients with gastric cancer in Guatemala, so in this study the presence of the EBER micro EBV of EBV was evaluated by in situ hybridization in 71 patients with gastric cancer who attended the Cancer Institute (Incan). A prevalence of 21.1% (95 % CI [10.9, 31.3]) was determined (15 patients), higher than that reported in other Latin American studies. A significant association was found between the EBER expression of EBV, and the male gender OR = 4.9 (95 % CI [1.4, 17.5]) p < .05. The associated factors were diarrhea OR 5.7 95 % (CI [1.5, 12.6]) p = .008, and detection of Helicobacter pylori serum antibodies, OR 7.2 95 % CI [1.1, 18.9] p = .03. Although the majority of patients expressing EBV EBER developed gastric cancer of the diffuse type 66.67% there is no significant association p = 0.13, OR = 2.5 (95 % CI [1.1, 8.2]).


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Aged, 80 and over , Stomach Neoplasms/pathology , In Situ Hybridization , Herpesvirus 4, Human , Biopsy/methods , Prevalence , Helicobacter pylori , Epstein-Barr Virus Infections/diagnosis , Diarrhea , Guatemala
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