Abstract:
:Respiratory syncytial virus F-protein (RSV-F) is poorly expressed from DNA expression plasmids containing the wild type RSV-F open reading frame. By codon optimization, premature polyadenylation signals were deleted and a striking enhancement of RSV-F expression levels was achieved. Therefore, the immunogenicity and efficacy of wild type DNA vaccines were compared to codon optimized expression plasmids encoding full-length RSV-F or its ectodomain. Mice were immunized twice with the different DNA vaccines followed by an RSV challenge. Only codon optimized DNA vaccines and in particular the one encoding the ectodomain of RSV-F induced substantial antibody levels and reduced viral load 13-170-fold. Thus, codon optimization enhances the immunogenicity and efficacy of RSV encoding DNA vaccines.
journal_name
Vaccinejournal_title
Vaccineauthors
Ternette N,Tippler B,Uberla K,Grunwald Tdoi
10.1016/j.vaccine.2007.07.025subject
Has Abstractpub_date
2007-10-10 00:00:00pages
7271-9issue
41eissn
0264-410Xissn
1873-2518pii
S0264-410X(07)00787-6journal_volume
25pub_type
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