Inhibition of tumor necrosis factor alpha by an adenovirus-encoded soluble fusion protein extends transgene expression in the liver and lung

Yufeng Peng, Jose Trevejo, Junliang Zhou, Michael W. Marino, Ronald Crystal, Erik Falck-Pedersen, Keith B. Elkon

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

The cellular and humoral immune responses to adenovirus (Ad) remain a major barrier to Ad-mediated gene therapy. We recently reported that mice deficient in tumor necrosis factor alpha (TNF-α) or Fas (APO-1, CD95) have prolonged expression of an Ad transgene expressing a foreign protein in the liver. To determine whether blockade of TNF-α or Fas would have the same effect in normal mice, we created transgenes that expressed soluble murine CD8 or CD8 fused to the extracellular regions of TNF receptor 1 (TNFR) or Fas and inserted into the left-end region of first-generation (E1/E3-) Ad vectors. Consistent with the results observed in TNF-deficient mice, expression of the TNFR-CD8 fusion protein was prolonged in vivo compared to that of control proteins. Not only did expression of TNFR-CD8 persist in the liver and the lung, but when coadministered with another first-generation vector, the protein provided 'transprotection' for the companion vector and transgene. In addition, TNFR-CD8 attenuated the humoral immune response to the Ad. Together, these findings demonstrate that blockade of TNF-α is likely to be useful in extending the expression of an Ad-encoded transgene in a gene therapy application.

Original languageEnglish
Pages (from-to)5098-5109
Number of pages12
JournalJournal of Virology
Volume73
Issue number6
Publication statusPublished - 7 Jun 1999
Externally publishedYes

Fingerprint

Adenoviridae
Transgenes
tumor necrosis factor-alpha
transgenes
Tumor Necrosis Factor-alpha
Tumor Necrosis Factor Receptors
lungs
Lung
liver
Liver
receptors
Proteins
gene therapy
proteins
mice
Humoral Immunity
humoral immunity
Genetic Therapy
liver protein
Cellular Immunity

ASJC Scopus subject areas

  • Microbiology
  • Immunology
  • Insect Science
  • Virology

Cite this

Inhibition of tumor necrosis factor alpha by an adenovirus-encoded soluble fusion protein extends transgene expression in the liver and lung. / Peng, Yufeng; Trevejo, Jose; Zhou, Junliang; Marino, Michael W.; Crystal, Ronald; Falck-Pedersen, Erik; Elkon, Keith B.

In: Journal of Virology, Vol. 73, No. 6, 07.06.1999, p. 5098-5109.

Research output: Contribution to journalArticle

Peng, Y, Trevejo, J, Zhou, J, Marino, MW, Crystal, R, Falck-Pedersen, E & Elkon, KB 1999, 'Inhibition of tumor necrosis factor alpha by an adenovirus-encoded soluble fusion protein extends transgene expression in the liver and lung', Journal of Virology, vol. 73, no. 6, pp. 5098-5109.
Peng, Yufeng ; Trevejo, Jose ; Zhou, Junliang ; Marino, Michael W. ; Crystal, Ronald ; Falck-Pedersen, Erik ; Elkon, Keith B. / Inhibition of tumor necrosis factor alpha by an adenovirus-encoded soluble fusion protein extends transgene expression in the liver and lung. In: Journal of Virology. 1999 ; Vol. 73, No. 6. pp. 5098-5109.
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