Oncolytic Adenovirus Expressing a p53 Variant Resistant to Degradation by HPV E6 Protein Exhibits Potent and Selective Replication in Cervical Cancer

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2005
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Heideman, Daniëlle A. M.
Steenbergen, Renske D.M.
Alemany, Ramon
Gerritsen, Winald R.
Meijer, Chris J.L.M.
Snijders, Peter J.F.
Torre, Jaco van der
Beusechem, Victor W. van
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Molecular Therapy. 2005, 12(6), pp. 1083-1090. ISSN 1525-0016. Available under: doi: 10.1016/j.ymthe.2005.06.443
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Rationale in the development of novel treatment strategies for HPV-associated cancers is targeting on the basis of the presence of HPV in (pre)malignant cells. Here, we designed a new conditionally replicating adenovirus (CRAd) for selective and effective oncolytic replication in HPV-containing cells. As the backbone, we used the CRAd AdCB016, which replicates selectively in cells expressing HPV E6 and E7 proteins. To enhance its oncolytic potency, we armed AdCB016 with p53 variant mp53(268N), which is resistant to HPV E6-mediated degradation. The new CRAd AdCB016-mp53(268N) was analyzed for its lytic replication properties in cervical carcinoma cell lines, HPV-immortalized keratinocyte cell lines representing dysplastic cells, and primary human keratinocytes. AdCB016-mp53(268N) exhibited 10- to 1000-fold greater efficacy than AdCB016 on high-risk HPV-positive cervical carcinoma cells and HPV-immortalized keratinocytes. Importantly, infection with AdCB016-mp53(268N) did not affect primary nonmalignant human keratinocytes. This favorable efficacy and safety profile was confirmed in organotypic raft cultures. Our findings suggest that AdCB016-mp53(268N) is a promising new agent for treatment of HPV-associated human cancers.

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ISO 690HEIDEMAN, Daniëlle A. M., Renske D.M. STEENBERGEN, Martin SCHEFFNER, Ramon ALEMANY, Winald R. GERRITSEN, Chris J.L.M. MEIJER, Peter J.F. SNIJDERS, Jaco van der TORRE, Victor W. van BEUSECHEM, 2005. Oncolytic Adenovirus Expressing a p53 Variant Resistant to Degradation by HPV E6 Protein Exhibits Potent and Selective Replication in Cervical Cancer. In: Molecular Therapy. 2005, 12(6), pp. 1083-1090. ISSN 1525-0016. Available under: doi: 10.1016/j.ymthe.2005.06.443
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@article{Heideman2005-12Oncol-16770,
  year={2005},
  doi={10.1016/j.ymthe.2005.06.443},
  title={Oncolytic Adenovirus Expressing a p53 Variant Resistant to Degradation by HPV E6 Protein Exhibits Potent and Selective Replication in Cervical Cancer},
  number={6},
  volume={12},
  issn={1525-0016},
  journal={Molecular Therapy},
  pages={1083--1090},
  author={Heideman, Daniëlle A. M. and Steenbergen, Renske D.M. and Scheffner, Martin and Alemany, Ramon and Gerritsen, Winald R. and Meijer, Chris J.L.M. and Snijders, Peter J.F. and Torre, Jaco van der and Beusechem, Victor W. van}
}
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