Comparative analysis of vector biodistribution, persistence and gene expression following intravenous delivery of bovine, porcine and human adenoviral vectors in a mouse model

Anurag Sharma, Dinesh S. Bangari, Manish Tandon, Aseem Pandey, Harm HogenEsch, Suresh K. Mittal

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Nonhuman adenoviruses including bovine adenovirus serotype 3 (BAd3) and porcine adenovirus serotype 3 (PAd3) can circumvent pre-existing immunity against human adenovirus serotype 5 (HAd5) and are being developed as alternative vectors for gene delivery. To assess the usefulness of these vectors for in vivo gene delivery, we compared biodistribution, persistence, state of vector genome, and transgene and vector gene expression by replication-defective BAd3 and PAd3 vectors with those of HAd5 vector in a FVB/n mouse model following intravenous inoculation. BAd3 vector efficiently transduced the heart, kidney and lung in addition to the liver and spleen and persisted for a longer duration compared to PAd3 or HAd5 vectors. Biodistribution of PAd3 vector was comparable to that of HAd5 vector but showed more rapid vector clearance. Only linear episomal forms of BAd3, PAd3, and HAd5 vector genomes were detected. All three vectors efficiently expressed the green fluorescent protein (GFP) transgene proportionate to the vector genome copy number in various tissues. Furthermore, leaky expression of vector genes, both the early (E4) and the late (hexon) was observed in all three vectors and gradually declined with time. These results suggest that BAd3 and PAd3 vectors could serve as an alternative or supplement to HAd5 for gene delivery applications.

Original languageEnglish (US)
Pages (from-to)44-54
Number of pages11
JournalVirology
Volume386
Issue number1
DOIs
StatePublished - Mar 30 2009
Externally publishedYes

Fingerprint

Swine
Gene Expression
Porcine Adenoviruses
Human Adenoviruses
Adenoviridae
Serogroup
Genome
Transgenes
Genes
Green Fluorescent Proteins
Immunity
Spleen

Keywords

  • Biodistribution
  • Bovine adenovirus
  • Gene therapy
  • Nonhuman adenoviral vectors
  • Porcine adenovirus

ASJC Scopus subject areas

  • Virology

Cite this

Comparative analysis of vector biodistribution, persistence and gene expression following intravenous delivery of bovine, porcine and human adenoviral vectors in a mouse model. / Sharma, Anurag; Bangari, Dinesh S.; Tandon, Manish; Pandey, Aseem; HogenEsch, Harm; Mittal, Suresh K.

In: Virology, Vol. 386, No. 1, 30.03.2009, p. 44-54.

Research output: Contribution to journalArticle

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