Abstract:
:We have constructed chimeric papillomavirus-like particles (CVLPs) by replacing the 34-carboxy-terminal amino acids of the HPV 16 L1 protein with various parts of the HPV 16 E7 protein. Chimeric proteins were expressed by recombinant baculoviruses and analyzed by electron microscopy for their ability to assemble into virus capsids. We were able to produce CVLPs in high efficiencies with inserts of up to 60 amino acids. CVLPs are able to induce a neutralizing antibody response, assayed by inhibition of hemagglutination of mouse erythrocytes. CVLPs are interacting with the putative receptor for papillomaviruses as they were shown to hemagglutinate mouse red blood cells and bind to and penetrate cells in vitro. As CVLPs follow a similar intracellular pathway as observed earlier for BPV VLPs, we speculate that CVLPs can be used to deliver peptides into mammalian cells in vitro and in vivo, possibly reaching the pathway for MHC class I presentation.
journal_name
Virologyjournal_title
Virologyauthors
Müller M,Zhou J,Reed TD,Rittmüller C,Burger A,Gabelsberger J,Braspenning J,Gissmann Ldoi
10.1006/viro.1997.8591subject
Has Abstractpub_date
1997-07-21 00:00:00pages
93-111issue
1eissn
0042-6822issn
1096-0341pii
S0042-6822(97)98591-3journal_volume
234pub_type
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