Abstract
Annexin V and apolipoprotein H, reported to bind hepatitis B surface antigen (HBsAg) and presumed to react specifically with the HBsAg S protein and to play an important role in initiation of infection by hepatitis B virus, did not bind to delipidated HBsAg (dlHBsAg). Binding activity was restored by adding lipids to dlHBsAg. These results are consistent with the established affinity of annexin V and apolipoprotein H for lipids.
MeSH terms
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Annexin A5 / metabolism*
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Apolipoproteins / metabolism*
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Glycoproteins / metabolism*
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Hepatitis B Surface Antigens / metabolism
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Hepatitis B virus / metabolism*
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Kinetics
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Lipid Metabolism
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Lipoproteins, LDL / metabolism
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Phosphatidylcholines / metabolism
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Phosphatidylserines / metabolism
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Receptors, Antigen / metabolism*
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beta 2-Glycoprotein I
Substances
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Annexin A5
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Apolipoproteins
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Glycoproteins
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Hepatitis B Surface Antigens
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Lipoproteins, LDL
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Phosphatidylcholines
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Phosphatidylserines
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Receptors, Antigen
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beta 2-Glycoprotein I
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hepatitis B surface antigen receptor