Abstract
Adenovirus vectors are the most highly efficient vehicles currently available for gene transfer to mammalian cells. Their ability to transduce both proliferating and non-dividing cells allows in vivo gene delivery, but the wide spectrum of cell types infected by adenovirus necessitates a requirement for targeting, particularly if the transduced gene is detrimental when expressed in inappropriate tissues. Over the past decade, numerous investigators have examined tissueor tumor-specific enhancer-promoters as a means to transcriptionally target genes delivered by adenovirus vectors. We review here recent developments in adenovirus vectors including improvements in the vector backbone to maintain promoter specificity. In addition, we discuss the regulatory elements directing cell-specific expression of genes encoding telomerase, prostate-specific antigen, probasin, osteocalcin, tyrosinase, alpha-fetoprotein, surfactant B, and mammaglobin. Recent results using these regulatory sequences to target Ad vectors to cancer cells are highlighted.
Keywords: adenovirus, tissue specificity, cancer, targeting, transcriptional control
Current Gene Therapy
Title: Transcriptionally Targeted Adenovirus Vectors
Volume: 5 Issue: 4
Author(s): Hamid Sadeghi and Mary M. Hitt
Affiliation:
Keywords: adenovirus, tissue specificity, cancer, targeting, transcriptional control
Abstract: Adenovirus vectors are the most highly efficient vehicles currently available for gene transfer to mammalian cells. Their ability to transduce both proliferating and non-dividing cells allows in vivo gene delivery, but the wide spectrum of cell types infected by adenovirus necessitates a requirement for targeting, particularly if the transduced gene is detrimental when expressed in inappropriate tissues. Over the past decade, numerous investigators have examined tissueor tumor-specific enhancer-promoters as a means to transcriptionally target genes delivered by adenovirus vectors. We review here recent developments in adenovirus vectors including improvements in the vector backbone to maintain promoter specificity. In addition, we discuss the regulatory elements directing cell-specific expression of genes encoding telomerase, prostate-specific antigen, probasin, osteocalcin, tyrosinase, alpha-fetoprotein, surfactant B, and mammaglobin. Recent results using these regulatory sequences to target Ad vectors to cancer cells are highlighted.
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Cite this article as:
Sadeghi Hamid and Hitt M. Mary, Transcriptionally Targeted Adenovirus Vectors, Current Gene Therapy 2005; 5 (4) . https://dx.doi.org/10.2174/1566523054546189
DOI https://dx.doi.org/10.2174/1566523054546189 |
Print ISSN 1566-5232 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5631 |
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