Ontology highlight
ABSTRACT:
SUBMITTER: Alvarez-Munoz MT
PROVIDER: S-EPMC4188904 | biostudies-literature | 2014 Oct
REPOSITORIES: biostudies-literature
Alvarez-Muñoz Ma Teresa MT Maldonado-Rodriguez Angelica A Rojas-Montes Othon O Torres-Ibarra Rocio R Gutierrez-Escolano Fernanda F Vazquez-Rosales Guillermo G Gomez Alejandro A Muñoz Onofre O Torres Javier J Lira Rosalia R
World journal of gastroenterology 20141001 37
<h4>Aim</h4>To determine the frequency of occult hepatitis B infection (OHBI) in a group of human immunodeficiency virus (HIV)-1+/ hepatitis B surface antigen negative (HBsAg)- patients from Mexico.<h4>Methods</h4>We investigated the presence of OHBI in 49 HIV-1+/HBsAg- patients. Hepatitis B virus (HBV) DNA was analyzed using nested PCR to amplify the Core (C) region and by real-time PCR to amplify a region of the S and X genes. The possible associations between the variables and OHBI were inves ...[more]