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Potent and long-term antiangiogenic efficacy mediated by FP3-expressing oncolytic adenovirus

Title
Potent and long-term antiangiogenic efficacy mediated by FP3-expressing oncolytic adenovirus
Author
윤채옥
Keywords
lung cancer; angiogenesis inhibitors; endogenous and synthetic; animal models of cancer; vector systems; targeting strategies
Issue Date
2015-11
Publisher
WILEY-BLACKWELL
Citation
INTERNATIONAL JOURNAL OF CANCER, v. 137, NO 9, Page. 2253-2269
Abstract
Various ways to inhibit vascular endothelial growth factor (VEGF), a key facilitator in tumor angiogenesis, are being developed to treat cancer. The soluble VEGF decoy receptor (FP3), due to its high affinity to VEGF, is a highly effective and promising strategy to disrupt VEGF signaling pathway. Despite potential advantage and potent therapeutic efficacy, its employment has been limited by very poor in vivo pharmacokinetic properties. To address this challenge, we designed a novel oncolytic adenovirus (Ad) expressing FP3 (RdB/FP3). To demonstrate the VEGF-specific nature of RdB/FP3, replication-incompetent Ad expressing FP3 (dE1/FP3) was also generated. dE1/FP3 was highly effective in reducing VEGF expression and functionally elicited an antiangiogeneic effect. Furthermore, RdB/FP3 exhibited a potent antitumor effect compared with RdB or recombinant FP3. Consistent with these data, RdB/FP3 was shown to greatly decrease VEGF expression level and vessel density and increase apoptosis in both tumor endothelial and tumor cells, verifying potent suppressive effects of RdB/FP3 on VEGF-mediated tumor angiogenesis in vivo. Importantly, the therapeutic mechanism of antitumor effect mediated by RdB/FP3 is associated with prolonged VEGF silencing efficacy and enhanced oncolysis via cancer cell-specific replication of oncolytic Ad. Taken together, RdB/FP3 provides a new promising therapeutic approach in the treatment of cancer and angiogenesis-related diseases.
URI
http://onlinelibrary.wiley.com/doi/10.1002/ijc.29592/abstracthttp://hdl.handle.net/20.500.11754/29148
ISSN
0020-7136; 1097-0215
DOI
10.1002/ijc.29592
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > BIOENGINEERING(생명공학과) > Articles
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