Matches in SemOpenAlex for { <https://semopenalex.org/work/W4386864009> ?p ?o ?g. }
- W4386864009 abstract "Adenoviruses (AdVs) are being developed for oncolytic or vaccination therapy against existing and emerging conditions. Well-characterized replication-competent human and human primate AdVs expressing multiple payloads are desirable, but their replication in rodent models is limited. To score the timing of adenoviral gene expression in cell cultures, we developed fully replication-competent transcriptional reporter viruses for HAdV-C5, -B3 and -B35. The picornavirus-derived 2A sequence, which induces cotranslational peptide splitting and reinitiation (skipping), was linked to GFP and the fused sequence was inserted C-terminal of the early gene E1A, the intermediate early gene protein IX and the late fiber gene. The 2A peptide induced ribosomal skipping during translation of the mRNA and gave rise to GFP from the corresponding viral promoters, as shown by immunoblotting and flow cytometry analyses of human and rodent cells. In human cells, both species B and C AdV exhibited highest reporter expression for fiber, followed by protein IX and lowest for E1A. Inoculation with either HAdV-C5 or -B3/35 viruses encoding protein IX- or fiber-GFP gave rise to higher GFP levels in hamster than mouse cells. Remarkably, despite rather low 2A ribosomal skipping efficiency of ∼50% for E1A-2A-GFP, protein IX-2A-GFP and fiber-2A-GFP, unprocessed protein IX-2A-GFP and fiber-2A-GFP fusion proteins were efficiently incorporated into HAdV-B3 virions, respectively. These data indicate that the B3 C-termini of protein IX and fiber can be considered for retargeting engineered oncolytic or vaccination vectors, or for antigen display. The variable expression levels of transgenes from different subviral promoters may be used to improve oncolytic AdV vectors expressing therapeutic genes." @default.
- W4386864009 created "2023-09-20" @default.
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- W4386864009 date "2023-09-19" @default.
- W4386864009 modified "2023-09-27" @default.
- W4386864009 title "Engineered human adenoviruses of species B and C report early, intermediate early and late viral gene expression" @default.
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- W4386864009 doi "https://doi.org/10.1089/hum.2023.121" @default.
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