Gene expression by atypical recombinant ovine adenovirus vectors during abortive infection of human and animal cells in vitro

Virology
A KhatriG W Both

Abstract

An bovine adenovirus, which is phylogenetically distinct from the Mastadeno- and Aviadenoviruses, was used to construct recombinants in which reporter genes were expressed from the OAV major late, or human cytomegalovirus promoters. It was demonstrated by transgene expression that OAV could infect bovine nasal turbinate and rabbit kidney cells as well as a range of human cell types, including lung and foreskin fibroblasts as well as liver, prostate, breast, colon, and retinal lines. Some human lines, e.g., 293 and LNCaP were not detectably infected. Infection occurred even though OAV has a fiber protein with a unique cell binding domain and a penton protein that lacks the integrin-binding Arg-Gly-Asp motif which facilitates entry by human adenoviruses. Most cell lines showed little or no ill effect for several days after infection but a prominent cytopathic effect appeared in fibroblasts after 3-4 days. However, no viral DNA synthesis was detected and replication was abortive. Viral promoter activity during infection of nonpermissive cell types was assayed by RT-PCR. Early promoter activity was detectable in some, but not all cell types. In a liver and a colon carcinoma cell line, none of the promoters examined was significantl...Continue Reading

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Citations

Oct 9, 2002·Journal of Virology·Daniel KüminPeter Löser
Oct 29, 2003·Journal of Virology·Peter LöserMoritz Hillgenberg
Feb 7, 2014·Human Gene Therapy·Estrella Lopez-GordoRamon Alemany
Oct 20, 2015·Molecular Therapy : the Journal of the American Society of Gene Therapy·Julio Alonso-PadillaAndrew H Baker
Sep 4, 2012·Carbohydrate Polymers·The Luong NguyenBao Khanh Dang
Dec 7, 2007·International Journal of Biological Macromolecules·Xiaoyan HuangJunling Sun
Mar 7, 2002·Virology·Y Zhou, S K Tikoo
Dec 2, 1999·The Journal of General Virology·P S ReddyS K Tikoo

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