Results 51 to 60 of about 18,100 (221)

Identification of antibodies cross-reactive with woodchuck immune cells and activation of virus-specific and global cytotoxic T cell responses by anti-PD-1 and anti-PD-L1 in experimental chronic hepatitis B and persistent occult hepadnaviral infection

Frontiers in Microbiology, 2022
Woodchuck (Marmota monax) infected with woodchuck hepatitis virus (WHV) is the most pathogenically compatible naturally occurring model of human hepatitis B virus (HBV) infection, chronic hepatitis B, and HBV-induced hepatocellular carcinoma. This system
Christopher P. Corkum, Louisa L. Wiede, Cara L.-A. Ruble, Jiabin Qiu, Patricia M. Mulrooney-Cousins, Meredith A. Steeves, David E. Watson, Tomasz I. Michalak   +7 more
doaj   +1 more source

Prevalence of Occult Hepatitis B Infection Among Blood Donors with HBsAg Negative and HBcAb Positive by Real Time PCR in South of Iran

Armaghane Danesh Bimonthly Journal, 2021
Background & aim: Occult hepatitis B virus infection in blood donors threats the safety of the blood supply.  It is characterized by detection of low viral DNA in the serum subjects who have negative test for Hepatitis B surface antigen (HBsAg).
Alireza Mankhian, Afsoon Shariat
doaj  

Occult Hepatitis B Virus Infection Among Hemodialysis Patients [PDF]

Hepatitis Monthly, 2012
Occult hepatitis B (OHB) is not a new entity and there are many reports of patients with hepatitis B virus (HBV) evidence replication in the absence of detectable hepatitis B surface antigen (HBsAg) and occasionally other HBV serologic markers [1]. After introducing highly sensitive and specific tests for HBs Ag and HBV DNA, the diagnosis of OBH is ...
openaire   +2 more sources

Disease Progression Mathematical Modeling With a Case Study on Hepatitis B Virus Infection

CPT: Pharmacometrics &Systems Pharmacology, Volume 14, Issue 3, Page 420-434, March 2025.
ABSTRACT Chronic Hepatitis B presents a significant health and socioeconomic burden. The risk of hepatocellular carcinoma remains elevated although treatments are available. Achieving an optimal treatment regimen necessitates a deep comprehension of the dynamic relationship between the virus and its host across disease states.
Clémence Boivin‐Champeaux, Nieves Velez de Mendizabal, Aksana Jones, Scott Balsitis, Stephan Schmidt, Justin S. Feigelman, Francine Johansson Azeredo   +6 more
wiley   +1 more source

PREVALENCE OF OCCULT HEPATITIS B INFECTION IN IRANIAN CANCER PATIENTS BEFORE CHEMOTHERAPY TREATMENT

Arquivos de Gastroenterologia
Background Occult hepatitis B infection is characterized by negative hepatitis B surface antigen (HBsAg) and also detectable hepatitis B virus (HBV) -DNA, with or without hepatitis B core antibody (anti-HBc).
Mahmud BAGHBANIAN, Mehdi HALVANI, Hassan Salman ROGHANI, Mohammad Hassan LOTFI, Mohammad Frahat YAZDI, Hassan-Ali VAHEDIAN-ARDAKANI   +5 more
doaj   +1 more source

СКРЫТЫЙ ГЕПАТИТ В: КЛИНИЧЕСКОЕ ЗНАЧЕНИЕ И ПРОБЛЕМЫ ДИАГНОСТИКИ

Архивъ внутренней медицины, 2012
In this report we present current data on prevalence, clinical significance and methods of diagnostics of occult hepatitis B. Mechanisms of occult hepatitis B formation are reviewed, among which the most important is co-infection with other hepatotropic ...
И. А. Морозов, Л. Ю. Ильченко, И. Г. Федоров, И. В. Гордейчук, И. Н. Гордейчук, А. К. Княженцева, Е. А. Зверкова, М. И. Михайлов, Г. И. Сторожаков   +8 more
doaj   +1 more source

Molecular investigation of occult hepatitis B virus infection in a reference center in Northern Brazil

Brazilian Journal of Infectious Diseases, 2022
The goal of this study was to investigate the prevalence of occult HBV infection in a reference center for the Northern Brazil from 2005 to 2015 and to identify mutations associated with occult hepatitis B.
Suellen dos Reis Araújo, Andreza Pinheiro Malheiros, Vânia Pinto Sarmento, Heloisa Marceliano Nunes, Pedro Eduardo Bonfim Freitas   +4 more
doaj   +1 more source

Effect of HIV infection and antiretroviral therapy on hepatitis B virus (HBV)-specific T cell responses in patients who have resolved HBV infection [PDF]

, 2005
Coinfection with hepatitis B virus (HBV) is a common occurrence in human immunodeficiency virus (HIV)–positive patients and an increasing cause of morbidity and mortality.
Bertoletti, A., Copas, A., Dunn, C., Gilson, R.J., Johnstone, R., Lascar, R.M., Lopes, A.R., Maini, M.K., Reignat, S., Webster, G.   +9 more
core   +1 more source

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   +3 more sources

Gastroenterological disorders and hepatic disease in adults with cerebral palsy: A systematic review

Developmental Medicine &Child Neurology, Volume 68, Issue 3, Page 313-331, March 2026.
Abstract Aim To describe the incidence, prevalence, and prognostic factors for gastroenterological disorders and hepatic disease in adults with cerebral palsy (CP), and to examine the effectiveness of any screening or interventions. Method Six databases were searched for articles published in any language since 1990 meeting eligibility criteria ...
Christina M. Marciniak, Jennifer M. Ryan, Alejandra Camacho‐Soto, Emily Capellari, Jessica Burke, Maram Sofiany, Zoë Post, Eric C. Sung, Michael D. Brown, the Adult Cerebral Palsy Clinical Practice Guidelines Working Group, Jennifer M Ryan, Rachel Byrne, Emily Capellari, Donna Riccio Omichinski, Mark Peterson, Jan Willem Gorter, Ashley Harris Whaley, Christine Imms, Christina M. Marciniak   +18 more
wiley   +1 more source