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  • Title: Hepatitis B virus core particles as epitope carriers.
    Author: Pumpens P, Borisova GP, Crowther RA, Grens E.
    Journal: Intervirology; 1995; 38(1-2):63-74. PubMed ID: 8666525.
    Abstract:
    HBV core (HBc) particle is one of the most intensively studied particulate carriers for the insertion of foreign peptide sequences. Recombinant HBc protein expressed from the cloned gene undergoes the correct folding in a large variety of bacterial, yeast, insect and mammalian cells. Unique assembly properties and shape of 30/34-nm HBc particles allow substantial insertions into their primary structure without loss of their capsid-forming ability. N- and C-terminal regions, as well as the immunodominant loop in the middle of the molecule are widely accepted as targets for the introduction of foreign epitopes, ensuring retention and even enhancement of the original immunological activity of inserted sequences. Special sets of display vectors have been constructed on the basis of the cloned HBc gene. Epitope sequences of viral (BLV, FeLV, FMDV, HBV, HCV, HIV-1, HRV2, MCMV, PV-1, SIV) and nonviral (human chorionic gonadotropin) origin have been studied as model display moieties.
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