Neutralizing antibody against hepatitis B virus preS region

Neutralizing antibodies against the hepatitis B virus preS region are immunoglobulins produced by the adaptive immune system or by vaccination that bind specifically to the preS domain of the HBV envelope protein. This binding blocks the virus from attaching to and entering host liver cells, thereby neutralizing infectivity and preventing hepatitis B infection. Induction of these antibodies is a desired outcome of some advanced hepatitis B vaccine designs, and titers can be monitored to assess immune protection. While highly effective, anti-preS neutralizing antibodies may exhibit limitations against mutated viral strains or trigger rare immune adverse reactions. The term "anti-preS neutralizing antibodies" should be approached as a functional class rather than a specific molecular target—more precise molecular targeting information would refer directly to the HBV preS region or epitope.

Other names

anti-preS neutralizing antibodyanti-preS NAbneutralizing antibody against HBV preS

Bind to hepatitis B virus surface preS antigen, block viral entry into host cells, prevent infection and spread