Results 21 to 30 of about 17,572 (227)

Occult hepatitis B virus infection

World Journal of Hepatology, 2014
Occult hepatitis B virus (HBV) infection (OBI) refers to the presence of HBV DNA in the absence of detectable hepatitis B surface antigen. Since OBI was first described in the late 1970s, there has been increasing interest in this topic. The prevalence of OBI varies according to the different endemicity of HBV infection, cohort characteristics, and ...
Min-Sun, Kwak, Yoon Jun, Kim
openaire   +2 more sources

Hepatitis B: Prevalence and occult infection in HIV-infected patients [PDF]

Revista da Sociedade Brasileira de Medicina Tropical, 2020
HBV and HIV have identical transmission routes. The aim of this study was to determine the prevalence of HBV in HIV patients and to detect the presence of occult HBV infection.All samples were tested for serology markers and using qPCR.This study included 232 individuals, out of which 36.6% presented with HBV markers and 11.8% presented with HBsAg or ...
Samira Julien Calux, Vanessa Cristina Martins Silva, Adriana Parise Compri, Marcílio Figueiredo Lemos, Ana Paula de Torres Santos, Isabel Takano Oba, Maria Cássia J. Mendes-Correa, Regina Célia Moreira   +7 more
openaire   +4 more sources

Potential mutations associated with occult hepatitis B virus status [PDF]

, 2014
Context: Occult hepatitis B virus (HBV) status (OHBS) is simply defined as the presence of HBV DNA in the liver (with or without detectable HBV DNA in the serum), in the absence of serum HBV surface antigen (HBsAg). Importance of OHBS is mostly clinical,
Besharat, S., Katoonizadeh, A., Moradi, A.   +2 more
core   +1 more source

Occult hepatitis B virus infection among injecting drug users in the Central-West Region of Brazil

Memorias do Instituto Oswaldo Cruz, 2013
The prevalence of occult hepatitis B virus (HBV) infection was investigated in 149 hepatitis B surface antigen (HBsAg) negative injecting drug users (IDUs) in the Central-West Region of Brazil.
Márcia Alves Dias de Matos, Renata Carneiro Ferreira, Fabiana Perez Rodrigues, Tamíris Augusto Marinho, Carmen Luci Rodrigues Lopes, Antônia Carlos Magalhães Novais, Ana Rita Coimbra Motta-Castro, Sheila Araújo Teles, Francisco José Dutra Souto, Regina Maria Bringel Martins   +9 more
doaj   +3 more sources

Detection of HBV Genotypes of Tumor Tissues and Serum by A Fluorescence Polarization Assay in North-Western China's Hepatocellular Carcinoma Patients

Virology Journal, 2011
Background The understanding of the distribution of hepatitis B virus genotypes and the occult hepatitis B virus infection in hepatocellular carcinoma may shed light into the prevention and treatment of hepatocellular carcinoma.
Liang Ping, Wang Xiangling, Li Ding, Cheng Hong, Wu Zhiqun, Gong Weidong, Lu Jianguo, Zhang Ju   +7 more
doaj   +1 more source

Successful treatment of activated occult hepatitis B in a non-responder chronic hepatitis C patient [PDF]

, 2011
We reported a 23 years old male with chronic hepatitis C virus infection, discontinued from pegylated interferon/ribavirin combination therapy due to a lack of early virological response.
Mohamed H Emara, Mohamed I Radwan
core   +1 more source

Hepatitis B Virus (HBV) and S-Escape Mutants: From the Beginning until Now [PDF]

, 2015
Despite of the progress made in vaccine and antiviral therapy development, hepatitis B virus (HBV) infection remains a major health care problem. More than 240 million people are chronically infected worldwide showing differences in the severity of liver
Cuestas, María Luján, Eguibar, Nair, Gonzalez, Rodrigo Horacio, Nusblat, Alejandro David, Perazzo, Priscila   +4 more
core   +1 more source

Preferential association of hepatitis C virus with CD19+ B cells is mediated by complement system [PDF]

, 2016
Extrahepatic disease manifestations are common in chronic hepatitis C virus (HCV) infection. The mechanism of HCV-related lymphoproliferative disorders is not fully understood.
Alter, Harvey J., Baré, Patricia, De Giorgi, Valeria, Grandinetti, Teresa, Matsuura, Kentaro, Salam, Kazi Abdus, Schechterly, Cathy, Wang, Richard   +7 more
core   +1 more source

Hepatic Pseudolymphoma with an Occult Hepatitis B Virus Infection

Internal Medicine, 2018
A 49-year-old woman who was asymptomatic was found to have a small liver tumor on abdominal ultrasonography (US) at her annual health checkup. US revealed a hypoechoic, solid, mass measuring 17-mm in size in segment 6. The tumor markers associated with liver malignancy were negative.
Kunimoto, Hideo, Morihara, Daisuke, Nakane, Shin-ichiro, Tanaka, Takashi, Yokoyama, Keiji, Anan, Akira, Takeyama, Yasuaki, Irie, Makoto, Shakado, Satoshi, Noritomi, Tomoaki, Takeshita, Morishige, Yoshimitsu, Kengo, Sakisaka, Shotaro   +12 more
openaire   +3 more sources

Occult Hepatitis B Virus Infection in Chronic Hepatitis C [PDF]

The Korean Journal of Gastroenterology, 2013
Occult HBV infection is defined as the presence of HBV DNA in the liver (with or without detectable or undetectable HBV DNA in the serum) of individuals testing negative for HBsAg. Studies on occult HBV infection in hepatitis C patients have reported highly variable prevalence, because the prevalence of occult HBV infection varies depending on the ...
Jae Young, Jang, Eui Ju, Park
openaire   +2 more sources