News tagged with hepatitis b
16th-century Korean mummy provides clue to hepatitis B virus genetic code
The discovery of a mummified Korean child with relatively preserved organs enabled an Israeli-South Korean scientific team to conduct a genetic analysis on a liver biopsy which revealed a unique hepatitis ...
Other Sciences / Archaeology & Fossils
May 29, 2012 |
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Adapting personal glucose monitors to detect DNA
An inexpensive device used by millions of people with diabetes could be adapted into a home DNA detector that enables individuals to perform home tests for viruses and bacteria in human body fluids, in food ...
Chemistry / Analytical Chemistry
Feb 29, 2012 |
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Gov't to adopt strict new limits on chimp research
(AP) -- Days in the laboratory are numbered for chimpanzees, humans' closest relative.
Dec 15, 2011 |
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Group urges gov't to strictly limit chimp research
Chimpanzees should hardly ever be used for medical research, a prestigious scientific group told the government Thursday - advice that means days in the laboratory may be numbered for humans' closest relatives.
Dec 15, 2011 |
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Routine antenatal screening for hepatitis B in an urban NYC population
According to new research at Columbia Presbyterian Medical Center, high rates of chronic hepatitis B infection (HBV) are found in pregnant minority and immigrant women in the New York City area, and most of them do not receive ...
Medicine & Health / Diseases, Conditions, Syndromes
May 10, 2011 |
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Nobel winner, NASA astrobiologist Blumberg dies
Baruch Blumberg, who won the Nobel Prize for helping identify the Hepatitis B virus and who served as the first chief of NASA's Astrobiology Institute, has died at the age of 85, NASA said Wednesday.
Space & Earth / Space Exploration
Apr 06, 2011 |
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Entry inhibitors show promise as drugs with new MOA for treatment of HBV and HDV infection
Promising new viral hepatitis data presented today at the International Liver CongressTM show that entry inhibitors --a new mechanism of action for drugs to treat viral hepatitis -- could provide the first new hepatitis B ...
Medicine & Health / Diseases, Conditions, Syndromes
Apr 02, 2011 |
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Sequential treatment with entecavir and lamivudine results in rebound of hepatitis B virus
A two-year trial of entecavir followed by lamivudine (LAM) in patients with chronic hepatitis B virus (HBV) infection resulted in a virologic rebound rate of 24% and 12% drug-resistance rate. Patients who continued on entecavir ...
Medicine & Health / Diseases, Conditions, Syndromes
Mar 31, 2011 |
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HBV infection decreases risk of liver metastasis in colorectal cancer patients
A research team from China evaluated the effect of hepatitis B virus (HBV) infection on liver metastasis of colorectal cancer. The study showed that HBV infection decreases the risk of liver metastasis in patients with colorectal ...
Mar 08, 2011 |
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VA halts surgeries at St. Louis hospital
(AP) -- The VA Medical Center in St. Louis halted surgeries indefinitely this week after a regular inspection showed possible contamination of equipment, the hospital's medical director said Thursday.
Medicine & Health / Diseases, Conditions, Syndromes
Feb 04, 2011 |
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Boosting body's immune response may hold key to HIV cure
Australian scientists have successfully cleared a HIV-like infection from mice by boosting the function of cells vital to the immune response.
Medicine & Health / Medical research
Feb 03, 2011 |
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Why humans are more sensitive to certain viruses: Primate immune system differences identified
The greater susceptibility of humans to certain infectious diseases when compared to other primates could be explained by species-specific changes in immune signaling pathways, a University of Chicago study finds. The first ...
Dec 16, 2010 |
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Potential new treatments for hepatitis B, tuberculosis underway
A researcher and his team with the Faculty of Medicine & Dentistry at the University of Alberta have discovered a new class of drugs that could one day be used to treat people with hepatitis B. They have also ...
Medicine & Health / Diseases, Conditions, Syndromes
Dec 08, 2010 |
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Paleovirology expanded: Non-retroviral virus fragments found in animal genomes
Understanding the evolution of life-threatening viruses like influenza, Ebola and dengue fever, could help us to minimize their impact. New research points the way to a fossil record of viruses that have insinuated themselves ...
Nov 18, 2010 |
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New studies highlight obesity's impact on gastrointestinal health
The association between obesity and gastrointestinal-related cancers and coronary artery disease; the link between an overweight or obese body mass index and the severity of Crohn's disease; and whether inflammatory bowel ...
Medicine & Health / Diseases, Conditions, Syndromes
Oct 18, 2010 |
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Hepatitis B
Hepatitis B is a disease caused by HBV hepatitis B virus which infects the liver of hominoidae, including humans, and causes an inflammation called hepatitis. Originally known as "serum hepatitis", the disease has caused epidemics in parts of Asia and Africa, and it is endemic in China. About a third of the world's population, more than 2 billion people, have been infected with the hepatitis B virus. This includes 350 million chronic carriers of the virus. Transmission of hepatitis B virus results from exposure to infectious blood or body fluids containing blood.
The acute illness causes liver inflammation, vomiting, jaundice and—rarely—death. Chronic hepatitis B may eventually cause liver cirrhosis and liver cancer—a fatal disease with very poor response to current chemotherapy. The infection is preventable by vaccination.
Hepatitis B virus is an hepadnavirus—hepa from hepatotrophic and dna because it is a DNA virus—and it has a circular genome composed of partially double-stranded DNA. The viruses replicate through an RNA intermediate form by reverse transcription, and in this respect they are similar to retroviruses. Although replication takes place in the liver, the virus spreads to the blood where virus-specific proteins and their corresponding antibodies are found in infected people. Blood tests for these proteins and antibodies are used to diagnose the infection.
For more information about Hepatitis B, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
