Construction of an adenovirus type 7a E1A- vector

K. Abrahamsen, H. L. Kong, A. Mastrangeli, D. Brough, A. Lizonova, Ronald Crystal, E. Falck-Pedersen

Research output: Contribution to journalArticle

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Abstract

A strategy for constructing replication-defective adenovirus vectors from non-subgroup C viruses has been successfully demonstrated with adenovirus type 7 strain a (Ad7a) as the prototype. An E1A-deleted Ad7a reporter virus expressing the chloramphenicol acetyltransferase (CAT) gene from the cytomegalovirus promoter enhancer was constructed with DNA fragments isolated from Ad7a, an Ad7a recombination reporter plasmid, and the 293 cell line. The Ad7a-CAT virus particle transduces A549 cells as efficiently as Ad5-based vectors. Intravenous infections in a murine model indicate that the Ad7a-CAT virus infects a variety of tissues, with maximal levels of CAT gene expression found in the liver. The duration of Ad7a-CAT transgene expression in the liver was maximally maintained 2 weeks postinfection, with a decline to baseline activity by the week 4 postinfection. Ad7a-CAT represents the first example of a non-subgroup C E1A- adenovirus gene transfer vector.

Original languageEnglish
Pages (from-to)8946-8951
Number of pages6
JournalJournal of Virology
Volume71
Issue number11
Publication statusPublished - 28 Oct 1997
Externally publishedYes

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Chloramphenicol O-Acetyltransferase
Adenoviridae
Viruses
Liver
Cytomegalovirus
Transgenes
Virion
Genetic Recombination
Genes
Plasmids
Gene Expression
Cell Line
DNA
Infection

ASJC Scopus subject areas

  • Immunology

Cite this

Abrahamsen, K., Kong, H. L., Mastrangeli, A., Brough, D., Lizonova, A., Crystal, R., & Falck-Pedersen, E. (1997). Construction of an adenovirus type 7a E1A- vector. Journal of Virology, 71(11), 8946-8951.

Construction of an adenovirus type 7a E1A- vector. / Abrahamsen, K.; Kong, H. L.; Mastrangeli, A.; Brough, D.; Lizonova, A.; Crystal, Ronald; Falck-Pedersen, E.

In: Journal of Virology, Vol. 71, No. 11, 28.10.1997, p. 8946-8951.

Research output: Contribution to journalArticle

Abrahamsen, K, Kong, HL, Mastrangeli, A, Brough, D, Lizonova, A, Crystal, R & Falck-Pedersen, E 1997, 'Construction of an adenovirus type 7a E1A- vector', Journal of Virology, vol. 71, no. 11, pp. 8946-8951.
Abrahamsen K, Kong HL, Mastrangeli A, Brough D, Lizonova A, Crystal R et al. Construction of an adenovirus type 7a E1A- vector. Journal of Virology. 1997 Oct 28;71(11):8946-8951.
Abrahamsen, K. ; Kong, H. L. ; Mastrangeli, A. ; Brough, D. ; Lizonova, A. ; Crystal, Ronald ; Falck-Pedersen, E. / Construction of an adenovirus type 7a E1A- vector. In: Journal of Virology. 1997 ; Vol. 71, No. 11. pp. 8946-8951.
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