Hepatitis
hideHepatitis (plural hepatitides) implies injury to the liver characterized by the presence of inflammatory cells in the tissue of the organ. The name is from ancient Greek hepar (ἧπαρ), the root being hepat- (ἡπατ-), meaning liver, and suffix -itis, meaning "inflammation" (c. 1727). The condition can be self-limiting, healing on its own, or can progress to scarring of the liver. Hepatitis is acute when it lasts less than six months and chronic when it persists longer. A group of viruses known as the hepatitis viruses cause most cases of liver damage worldwide. Hepatitis can also be due to toxins (notably alcohol), other infections or from autoimmune process. It may run a subclinical course when the affected person may not feel ill. The patient becomes unwell and symptomatic when the disease impairs liver functions that include, among other things, removal of harmful substances, regulation of blood composition, and production of bile to help digestion.
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News tagged with hepatitis
Study: Tanning beds definitely cause cancer
Jul 28, 2009 |
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(AP) -- International cancer experts have moved tanning beds and ultraviolet radiation into the top cancer risk category, deeming both to be as deadly as arsenic and mustard gas. For years, scientists have ...
Secrets of a Life-Giving Amino Acid Revealed
Jul 16, 2009 |
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(PhysOrg.com) -- Selenium is a trace element crucial to life -- too little or too much of it is fatal. In the July 17 issue of the journal Science, researchers at Yale University and University of Illinois at Chi ...
Researchers decode structure of an entire HIV genome
Medicine & Health / HIV & AIDS
Aug 05, 2009 |
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The structure of an entire HIV genome has been decoded for the first time by researchers at the University of North Carolina at Chapel Hill. The results have widespread implications for understanding the strategies ...
Redefining DNA: Darwin from the atom up
Mar 23, 2009 |
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In a dramatic rewrite of the recipe for life, scientists from Florida today described the design of a new type of DNA with 12 chemical letters instead of the usual four. Presented here at the 237th National Meeting of the ...
Vaccine to prevent colon cancer being tested in patients
Mar 19, 2009 |
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Researchers at the University of Pittsburgh School of Medicine have begun testing a vaccine that might be able to prevent colon cancer in people at high risk for developing the disease. If shown to be effective, it might ...
Artificial liver may extend lives
Jun 02, 2009 |
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The first artificial organ for liver patients that uses immortalized human liver cells, the Extracorporeal Liver Assist Device, or ELAD®, is a bedside system that treats blood plasma, metabolizing toxins and synthesizing ...
The hepatitis healing power of blueberry leaves
Aug 07, 2009 |
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A chemical found in blueberry leaves has shown a strong effect in blocking the replication of the Hepatitis C virus, opening up a new avenue for treating chronic HCV infections, which affect 200 million people worldwide and ...
Nano vaccine for hepatitis B shows promise for third world
Nanotechnology / Bio & Medicine
Aug 13, 2008 |
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Chronic hepatitis B infects 400 million people worldwide, many of them children. Even with three effective vaccines available, hepatitis B remains a stubborn, unrelenting health problem, especially in Africa and other developing ...
Researchers disprove long-standing belief about HIV treatment
Medicine & Health / HIV & AIDS
Jul 25, 2008 |
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Researchers at Wake Forest University Baptist Medical Center have disproved a long-standing clinical belief that the hepatitis C virus slows or stunts the immune system's ability to restore itself after HIV patients are treated ...
Chronic Infection Now Clearly Tied to Immune-System Protein
Jun 13, 2009 |
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The reason deadly infections like human immunodeficiency virus (HIV) and hepatitis C never go away is because these viruses disarm the body’s defense system. Researchers at the University of Alabama at Birmingham (UAB) have ...
Liver damage in Hepatitis C patients could be treated with warfarin, says new study
Jul 31, 2008 |
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The drug warfarin may help prevent liver failure in thousands of people with Hepatitis C, according to new research.
Hepatitis C virus may need enzyme's help to cause liver disease
Jul 09, 2008 |
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A key enzyme may explain how hepatitis C infection causes fatty liver – a buildup of excess fat in the liver, which can lead to life-threatening diseases such as cirrhosis and liver cancer, report University of Pittsburgh ...
Study: Patients with resolved hepatitis C likely still contagious
May 04, 2009 |
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Patients with chronic hepatitis C that has been resolved through therapy or immune response may still be able to infect others with the virus. That finding is from a new study in the May issue of Hepatology, a journal publis ...
New Biomarker Predicts Response to Hepatitis C Treatment
Aug 16, 2009 |
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(PhysOrg.com) -- Researchers have identified the first genetic marker that predicts response to hepatitis C treatments, and a single letter of DNA code appears to make a huge difference. Duke University Medical Center scientists ...
Study shows promise for new cancer-stopping therapy
Jun 11, 2009 |
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Researchers at Nationwide Children's Hospital and Johns Hopkins University have discovered that delivering a small molecule that is highly expressed in normal tissues but lost in diseased cells can result in tumor suppression.
