نتایج جستجو برای: hepatitis b viruses

تعداد نتایج: 1033342  

2013
John Law Juan Jovel Jordan Patterson Glenn Ford Sandra O’keefe Weiwei Wang Bo Meng Deyong Song Yong Zhang Zhijian Tian Shawn T. Wasilenko Mandana Rahbari Troy Mitchell Tracy Jordan Eric Carpenter Andrew L. Mason Gane Ka-Shu Wong

We conducted an unbiased metagenomics survey using plasma from patients with chronic hepatitis B, chronic hepatitis C, autoimmune hepatitis (AIH), non-alcoholic steatohepatitis (NASH), and patients without liver disease (control). RNA and DNA libraries were sequenced from plasma filtrates enriched in viral particles to catalog virus populations. Hepatitis viruses were readily detected at high c...

Journal: :Gut 1993
G Hess

The hepatitis B virus (HBV) belongs to a group of viruses termed hepadnaviruses. The 3.2 kb genome encodes for a variety of proteins involved in viral replication (p-gene), transactivation (x-gene), or encodes for structural proteins (c- and s-genes). Several viral and non-viral functions determine the clinical course of HBV infection. The hepatitis D virus resembles a viroid and requires the H...

Journal: :Pakistan Journal of Medical and Health Sciences 2023

Background and Aim: Viral infections, drugs, metabolic disorders, autoimmune processes can cause hepatitis, which is a diffuse inflammatory condition of the liver. Hepatitis E (HEV) hepatitis A (HAV) viruses are most common causes acute viral (AVH). AVH chronic liver failure (ACLF) patients were studied to determine whether they infected with various hepatotropic non-hepatotropic viruses. Patie...

Journal: :Journal of clinical microbiology 1980
L R Mathiesen G Papaevangelou R H Purcell D Grammatikopoulos P Contoyannis D Wong

In a 4-month period, 216 cases of acute viral hepatitis were diagnosed in adults at the Infectious Diseases Hospital, Athens, Greece. Twenty-six percent of these were hepatitis B surface antigen negative. A full set of clinical specimens was obtained from 19 of these patients, who were studied in depth for the etiology of their hepatitis. A total of 7 of the 19 patients had serological evidence...

Journal: :PLoS Medicine 2009
Paul Klenerman Vicki Fleming Ellie Barnes

May 19 this year marked World Hepatitis Day [1].This event does not usually make the headlines in the same way that World AIDS Day does, but viral hepatitis affects about half a billion people globally (perhaps one in 12 of the global population), and so the relative publicity associated with World Hepatitis Day does not accurately reflect the importance of hepatitis as a public health problem....

2015
Amna Subhan Butt

Pakistan is among ten most populous countries in world. All sorts of hepatitis are highly prevalent in Pakistan. Due to lack of proper mechanisms to handle sewerage, disinfection and lack of clean water supply across the country, hepatitis A and E are endemic in Pakistan. Moreover, Pakistan ranked in intermediate prevalence zone for hepatitis B and C. Also, prevailing socioeconomic conditions, ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1984
S G Franklin I Millman B S Blumberg

Sera from sheep and other domestic animals contain a substance that gives a strongly positive test for antibody to hepatitis B virus surface antigen by the accepted radioimmunoassay procedure. We have purified this substance from sheep serum to near homogeneity by ion-exchange, affinity, and molecular exclusion chromatography and have identified it to be an IgM. We present evidence that this sh...

Journal: :Roczniki Akademii Medycznej w Bialymstoku 2003
V Tahan O Ozdogan N Tozun

The prevalence of viral hepatitis is high and remains a serious public health challenge throughout the world. New molecular biology techniques provided a better understanding of the viruses over the last decades. Novel therapeutic options seem to be promising but preventing measures including donor screening, immunization against hepatitis A virus (HAV) and hepatitis B virus (HBV), universal us...

2015
Amit Garg Rajni Prakash Deepesh Kumar Sujeet Kumar Manoj Kumar

Background: There are little data on the prevalence of hepatitis B and hepatitis C viruses in pregnant women in Meerut. Objectives: This study was designed to determine the prevalence of hepatitis B virus (HBV) and hepatitis C virus (HCV) infection among pregnant women. Material and Methods: Blood samples of 5042 pregnant women were collected. Result and Discussion: overall prevalence, 162(3.21...

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