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| ==Overview==
| | #redirect:[[Hepatitis B surface antigen]] |
| '''HBsAg''' is the surface [[antigen]] of the [[Hepatitis]]-B-Virus ([[HBV]]). The [[capsid]] of a virus has different surface proteins from the rest of the virus. The antigen is a protein that binds specifically on one of these surface proteins. Today these antigen-[[proteins]] can be a genetically manufactured (e.g. transgene [[E.coli]]) to produce material for a simple [[antigen test]], which finds out the presence of [[HBV]].
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| It is commonly referred to as the ''Australian Antigen''.
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| It is present in the sera of patients with viral hepatitis as well as in normal populations in the [[tropics]] and the [[southeast Asia]]. However, it is rarely present in patients with infectious hepatitis.
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| It was first isolated by the American research physician and [[Nobel Prize]] winner [[Baruch S. Blumberg]] (1925) in the serum of an [[Australian]] [[Indigenous Australians|aborigine]].
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| ==External Links== | | ==External Links== |
Latest revision as of 19:05, 1 August 2014