نتایج جستجو برای: hbs antigen
تعداد نتایج: 202165 فیلتر نتایج به سال:
Hemophagocytic lymphohistiocytosis (HLH) is the result of excessive cytokine release, leading to over-response by immune cells, such as macrophages and T lymphocytes. Here, we report a lethal case of HLH with a complete clinical course. The patient was a 45-year-old man with fever and chills since two months ago plus splenomegaly, hepatomegaly, and pancytopenia. The Anti-HBc IgM was positive, b...
One of the most serious kinds of hepatitis is hepatitis B. This condition is more common than AIDS, and is 100 time more contagious. In Iran the most common cause of acute and chronic hepatitis, liver cirrhosis, and also hepatocellar carcinoma in adults, is hepatitis B. more than two billion people are infected and more than 350 million of individuals are carriers of this virus in the entire wo...
A 47-year-old man diagnosed with Crohn's disease was treated with infliximab. He tested negative for hepatitis B surface antigen (HBsAg) and hepatitis B surface antibody (anti-HBs) but positive for anti-HB core antibody (anti-HBc). He tested positive for hepatitis B virus (HBV-) DNA 3 months after treatment and was administered entecavir. HBV-DNA test showed negative results 1 month later. ALT ...
In order to develop an experimental DNA vaccine for the prevention and treatment of hepatitis B virus infection, hepatitis B virus surface antigen (HBsAg) DNA was subcloned into an E. coli-eukaryotic cell shuttle vector and was expressed in the Baculovirus expression system. Intramuscular, intradermal, and intraperitoneal injections of 30 microg of the plasmid DNA expressing HBsAg induced humor...
High-affinity monoclonal IgG and IgM antibodies to hepatitis B surface antigen (HBsAg) have been prepared and their functional capabilities explored by means of solid-phase radioimmunoassays. 125I-labeled HBsAg binding studies indicated that monoclonal IgM antibodies against HBsAg (anti-HBs) coupled to a solid-phase support quantitatively bound more HbsAg at a faster rate than conventionally pr...
Hepatic macrophages play a central role in disease pathogenesis during hepatitis B virus (HBV) infection. Our previous study found that CD205+ macrophages in the liver of hepatitis B surface antigen transgenic (HBs-Tg) mice increased significantly compared with those in wild-type mice, and these increased CD205+ macrophages were involved in CpG-oligodeoxynucleotide-induced liver injury in HBs-T...
BACKGROUND Juveniles in custody are affected by sexually transmitted infections due to risky behaviors. Therefore, they have a disproportionate burden of hepatitis B virus (HBV) and human immunodeficiency virus (HIV). In this study, the prevalence and associated characteristics of hepatitis B and HIV infections were assessed in young prisoners. MATERIALS AND METHODS In this cross-sectional st...
BACKGROUND Hepatitis B remains the most common transfusion-transmitted viral infection. We explored the current status of pre-transfusion screening and post-transfusion follow-up testing for hepatitis B virus (HBV) surface antigen (HBsAg) and antibodies (anti-HBs) in blood recipients from an area of high HBV endemicity. METHODS A total of 7,780 blood recipients were transfused with at least 1...
OBJECTIVE To identify changes in hepatitis B epidemiology after the implementation of the nationwide vaccination program in Turkey, hepatitis B virus (HBV) and related tests performed over a period of 11 years (2000-2010) at a reference centre were retrospectively overviewed and statistically analysed for trends. RESULTS Assay results for Hepatitis B surface antigen (HBsAg) and e antigen (HBe...
OBJECTIVES HBV infection is a contagious disease that may transmit vertically from mothers to their neonates or horizontally by blood products and body secretions. Over 50% of Iranian carriers have contracted the infection perinatally, making this the most likely route of transmission of HBV in Iran. This study assesses the serologic markers of HBV in children born to HBsAg positive mothers who...
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