نتایج جستجو برای: hbv core antibody

تعداد نتایج: 390403  

Journal: :Memorias do Instituto Oswaldo Cruz 2010
Fatima Valente Barbara Vieira do Lago Carlos Augusto Velasco de Castro Adilson José de Almeida Selma A Gomes Caroline Cordeiro Soares

An estimated 360 million people are infected with hepatitis B virus (HBV) worldwide. Among these, 65 million live in Africa. Despite the high levels of hepatitis B in Africa, HBV epidemiology is still poorly documented in most African countries. In this work, the epidemiological and molecular characteristics of HBV infection were evaluated among the staff, visitors and adult patients (n = 508) ...

Journal: :The American journal of tropical medicine and hygiene 2003
David B Hipgrave Thu Van Nguyen Minh Huong Vu Thuy Long Hoang Tuan Dat Do Nam Trung Tran Damien Jolley James E Maynard Beverley-Ann Biggs

To ascertain hepatitis B virus (HBV) infection rates for Vietnam, we surveyed HBV markers in two districts of Thanh Hoa province. We randomly selected 536 infants (9- < or = 18 months old), 228 children (4 to < or = 6 years old), 219 adolescents (14 to < or = 16 years old), and 596 adults (25 to < or = 40 years old). On questioning, none of those surveyed had received vaccine against HBV. Hepat...

2015
Amitis Ramezani Mohammad Reza Aghasadeghi Farrokhlagha Ahmadi Effat Razeghi Ali Eslamifar Mohammad Banifazl Masoomeh Sofian Golnaz Bahramali Soheila Hekmat Arezoo Aghakhani

BACKGROUND Occult Hepatitis B virus (HBV) infection (OBI) is defined as the presence of HBV-DNA in the liver or serum with undetectable hepatitis B surface antigen (HBsAg). Hemodialysis (HD) patients are at risk of acquiring parenterally transmitted infections. OBJECTIVES The aim of this study was to assess the prevalence of OBI in HD patients. PATIENTS AND METHODS A hundred HBsAg negative ...

Journal: :Journal of medical virology 1988
A D Kitchen T J Harrison T J Meacock A J Zuckerman J F Harrison

To determine the current incidence of hepatitis B core antibody (anti-HBc) in a healthy blood donor population, 1,893 donors were screened for anti-HBc. Forty-one (2.16%) were found to be initially positive and 35 (1.85%) repeatably positive. Sera from the repeatably positive donors were further screened for hepatitis B surface antibody (anti-HBs), and hepatitis B virus DNA (HBV DNA) by dot hyb...

Journal: :Eastern Mediterranean health journal = La revue de sante de la Mediterranee orientale = al-Majallah al-sihhiyah li-sharq al-mutawassit 2014
R Kishk H Aboul Atta M Ragheb M Kamel L Metwally N Nemr

Chronic hepatitis C virus (HCV) infection combined with occult hepatitis B virus (HBV) infection has been associated with increased risk of hepatitis, cirrhosis and hepatocellular carcinoma. This study aimed to determine the prevalence of occult HBV infection among Egyptian chronic HCV patients, the genotype and occurrence of surface gene mutations of HBV and the impact of co-infection on early...

Journal: :Transplant infectious disease : an official journal of the Transplantation Society 2013
G-D Chen J-L Gu J Qiu L-Z Chen

PURPOSE The purpose of this study was to explore the outcomes and risk factors for hepatitis B virus (HBV) reactivation after kidney transplantation in occult HBV carriers, who are hepatitis B surface antigen (HBsAg) seronegative and hepatitis B core antibody (HBcAb) seropositive before kidney transplantation. METHODS We retrospectively analyzed 322 occult HBV carriers who received kidney tra...

2015
Tuncer Temel Eren Gunduz Esmira Sadigova Hava Uskudar Teke Safak Meric Ozgenel Aysegul Harmanci Ozakyol

Hepatitis B virus (HBV) reactivation with imatinib, a tyrosine kinase inhibitor, has been reported in chronic myeloid leukemia. Nilotinib is a more potent second generation tyrosine kinase inhibitor and it inhibits the Src-family kinase LCK and hamper proliferation and function of CD8 (+) T lymphocytes. CD8 (+) T lymphocytes are the main cellular subset responsible for viral clearance in patien...

Journal: :Cancer control : journal of the Moffitt Cancer Center 2015
Samir Dalia Yaman Suleiman David W Croy Lubomir Sokol

BACKGROUND Hepatitis B virus (HBV) has been associated with the development of non-Hodgkin lymphoma (NHL) and can be reactivated in patients being treated for NHL. METHODS Articles published between 2000 and 2015 that discussed an association between NHL and HBV, mechanisms of HBV induction of NHL, and HBV reactivation in patients with NHL were reviewed and the results compiled to help health...

Journal: :Journal of the Pediatric Infectious Diseases Society 2013
Florida J Muro Suzanne P Fiorillo Philoteus Sakasaka Christopher Odhiambo Elizabeth A Reddy Coleen K Cunningham Ann M Buchanan

BACKGROUND Data on human immunodeficiency virus (HIV) and hepatitis B virus (HBV) and hepatitis C virus (HCV) coinfection among children in Africa are limited. We evaluated the seroprevalence of both viruses among healthy, HIV-uninfected children and HIV-infected children in the Kilimanjaro region of northern Tanzania. METHODS HBV and HCV markers were assessed using serum and plasma samples f...

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