Use of a liver-specific promoter reduces immune response to the transgene in adenoviral vectors

Lucio Pastore, Nuria Morral, Heshan Zhou, Racel Garcia, Robin J. Parks, Stefan Kochanek, Frank L. Graham, Brendan Lee, Arthur L. Beaudet

Research output: Contribution to journalArticle

147 Citations (Scopus)

Abstract

Previous studies using adenoviral (Ad) vectors expressing human α1- antitrypsin (hAAT) under the control of ubiquitous promoters (RSV, mPGK) elicited the production of antibodies to hAAT in some mouse strains (C3H/HeJ and BALB/c) but not in others (C57BL/6J). In contrast, when a helper- dependent Ad vector (AdSTK109) with all viral coding sequences deleted and expressing hAAT from human genomic DNA with the endogenous promoter was used, C3H/HeJ mice failed to develop antibodies and demonstrated long-term expression. These results suggested that promoter choice and/or properties of the vector itself might influence the host immune response to the transgene product. Direct comparison of first-generation vectors expressing the hAAT cDNA from a ubiquitous mouse PGK promoter rather than from a liver-specific mouse albumin promoter demonstrated that an antibody response to hAAT occurred with the mPGK promoter but not with the albumin promoter in C3H/HeJ mice. As expected, neither vector elicits an antibody response in C57BL/6J mice. Coinjection of the two first-generation vectors containing the mPGK and albumin promoter in C3H/HeJ mice induced an antibody response with resulting loss of detectable hAAT from the sera of the injected mice in 3-4 weeks. From these data, we conclude that under certain conditions, the choice of promoter with its associated liver-specific expression can modulate the host immune response to the transgene independent of viral backbone.

Original languageEnglish (US)
Pages (from-to)1773-1781
Number of pages9
JournalHuman Gene Therapy
Volume10
Issue number11
DOIs
StatePublished - Jul 20 1999
Externally publishedYes

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Transgenes
Inbred C3H Mouse
Liver
Antibody Formation
Albumins
Inbred C57BL Mouse
Complementary DNA
Antibodies
DNA
Serum

ASJC Scopus subject areas

  • Genetics

Cite this

Pastore, L., Morral, N., Zhou, H., Garcia, R., Parks, R. J., Kochanek, S., ... Beaudet, A. L. (1999). Use of a liver-specific promoter reduces immune response to the transgene in adenoviral vectors. Human Gene Therapy, 10(11), 1773-1781. https://doi.org/10.1089/10430349950017455

Use of a liver-specific promoter reduces immune response to the transgene in adenoviral vectors. / Pastore, Lucio; Morral, Nuria; Zhou, Heshan; Garcia, Racel; Parks, Robin J.; Kochanek, Stefan; Graham, Frank L.; Lee, Brendan; Beaudet, Arthur L.

In: Human Gene Therapy, Vol. 10, No. 11, 20.07.1999, p. 1773-1781.

Research output: Contribution to journalArticle

Pastore, L, Morral, N, Zhou, H, Garcia, R, Parks, RJ, Kochanek, S, Graham, FL, Lee, B & Beaudet, AL 1999, 'Use of a liver-specific promoter reduces immune response to the transgene in adenoviral vectors', Human Gene Therapy, vol. 10, no. 11, pp. 1773-1781. https://doi.org/10.1089/10430349950017455
Pastore, Lucio ; Morral, Nuria ; Zhou, Heshan ; Garcia, Racel ; Parks, Robin J. ; Kochanek, Stefan ; Graham, Frank L. ; Lee, Brendan ; Beaudet, Arthur L. / Use of a liver-specific promoter reduces immune response to the transgene in adenoviral vectors. In: Human Gene Therapy. 1999 ; Vol. 10, No. 11. pp. 1773-1781.
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