ArticleGene therapy2007
Non-viral delivery of interleukin-2 and soluble Flk-1 inhibits metastatic and primary tumor growth in renal cell carcinoma.
Article in Gene therapy, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed, 11 citations in OpenAlex.
- A review of RGD-functionalized nonviral gene delivery vectors for cancer therapy.Cancer gene therapy · 2012Review
- Article
- Antitumoral efficacy by systemic delivery of heparin conjugated polyethylenimine-plasmid interleukin-15 complexes in murine models of lung metastasis.Cancer science · 2011Article
- Endostatin gene therapy enhances the efficacy of IL-2 in suppressing metastatic renal cell carcinoma in mice.Cancer immunology, immunotherapy : CII · 2010Article
- Polymeric gene delivery of ischemia-inducible VEGF significantly attenuates infarct size and apoptosis following myocardial infarct.Gene therapy · 2009Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
Treatments for renal cell carcinoma, while promising, are still limited by toxicity and cost. In the hopes of finding a novel compound or combination, we developed a plasmid containing the genes for interleukin-2 (IL-2) and soluble vascular endothelial growth factor receptor 2 (msFlk1). The plasmid, p2CMVIL2/msFlk1, demonstrated similar in vitro transgene expression of IL-2 or msFlk1 compared to their single-agent counterparts. Subcutaneous tumor growth was significantly inhibited in the p2CMVIL2/msFlk1 group when delivered locally by the non-viral water soluble polymer, WSLP and exhibited a 50% increase in survival over glucose and single-agent controls. In vivo experimentation demonstrated that WSLP/msFlk1 decreased microvessel density in pCMVmsFlk1 and p2CMVIL2/msFlk1 treated groups. Furthermore, tumor-infiltrating lymphocytes expressing CD45RO and CD68 were increased within the tumor microenvironment upon p2CMVIL2/msFlk1 treatment. To determine the effects of p2CMVIL2/msFlk1 in an experimental RENCA lung metastases model, therapeutic DNA was delivered systemically following complexation with the angiogenic endothelial-targeting polymer PEI-g-PEG-RGD. The p2CMVIL2/msFlk1 treatment significantly reduced metastases by 56% over single-agent therapy and increased survival proportions by 50% over all groups. Our work clearly demonstrates that non-viral delivery of p2CMVIL2/msFlk1 can inhibit RENCA growth in a synergistic manner and may represent a new treatment for renal carcinoma.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.