Evaluation of tumor-specific promoter activities in melanoma
Gene Therapy, ISSN: 0969-7128, Vol: 12, Issue: 4, Page: 330-338
2005
- 46Citations
- 43Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations46
- Citation Indexes46
- 46
- CrossRef38
- Captures43
- Readers43
- 43
Article Description
Gene therapy is a novel therapy for melanoma. To date, however, there is still no powerful tumor specific promoter (TSP) to restrict the transgene expression in melanoma cells. In order to define a useful TSP for targeting in the context of melanoma gene therapy, four promoters, the cyclooxygenase-2 (Cox-2), α-chemokine SDF-1 receptor (CXCR4), epithelial glycoprotein 2 (EGP-2), and survivin, were tested in both established melanoma cell lines and primary melanoma cells. We employed recombinant adenoviral vectors (reAds) each with a candidate TSP (the Cox-2, CXCR4, EGP-2, or survivin), a reporter luciferase gene, and a poly-A signal, all of which were inserted into the E1-deleted region. A reAdGL3Bcytomegalovirus (CMV), containing the CMV promoter and luciferase gene, was used as a positive control to normalize the luciferase activity. Luciferase activity was measured in multiple tumor cell lines and two primary melanoma cell cultures after infection with reAds. Human epithelial melanocytes, HEM, were used as normal control. In contrast to three other promoters, the survivin promoter exhibited the highest activities within both melanoma cell lines and primary melanoma cells, but not in HEMs. Additionally, the survivin promoter exhibited very low activities in major mouse organs including the liver, in vivo. EGP-2 is not active in melanoma; messenger RNA expressions were correlated to promoter activities both in melanoma cell lines and primary cell cultures. Thus, these data suggest that the survivin promoter achieved a 'tumor-on/liver-off' profile, and thus represents a potentially useful tumor-specific promoter with applications for transcriptional targeting of Ad vector-based cancer gene therapy or oncolysis to melanoma. © 2005 Nature Publishing Group All rights reserved.
Bibliographic Details
Springer Science and Business Media LLC
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