HEPATITIS B VIRUS ANTIBODIES Meaning and
Definition
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Hepatitis B virus antibodies refer to proteins produced by the immune system in response to an infection or vaccination against the hepatitis B virus (HBV). The HBV is a viral infection that primarily affects the liver and can lead to chronic liver diseases, including cirrhosis and liver cancer.
Hepatitis B virus antibodies, also known as anti-HBV antibodies, are a specific type of protein called immunoglobulins that are created by B lymphocytes or B cells. These antibodies are important components of the body's defense mechanism against HBV infection. They work by targeting the viral particles or antigens present in the blood and other bodily fluids and neutralizing their infectivity.
There are different types of hepatitis B virus antibodies, including IgM (immunoglobulin M) and IgG (immunoglobulin G). IgM antibodies are the first type produced in response to a recent acute infection, while IgG antibodies are developed later and persist for a longer duration. IgG antibodies indicate either a past HBV infection or vaccination, providing immunity against future infections.
The presence of hepatitis B virus antibodies can be detected through blood tests. Testing for these antibodies is an important diagnostic tool to determine the immune status, assess the effectiveness of vaccination, or confirm previous HBV infection. Hepatitis B virus antibodies play a key role in preventing the spread of HBV infection, protecting individuals from developing chronic liver diseases, and aiding in the monitoring and management of the infection.
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