ArticleOncology letters2017
Synergistic effect of bladder cancer-specific oncolytic adenovirus in combination with chemotherapy.
Article in Oncology letters, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 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.
The trial behind it
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
4 citing papers in PubMed, 14 citations in OpenAlex.
- Oncolytic Viruses for the Treatment of Bladder Cancer: Advances, Challenges, and Prospects.Journal of clinical medicine · 2022Review
- The Application Effect of Traditional Chinese Medicine Nursing on General Anesthesia Combined with Epidural Anesthesia and Electric Resection for the Treatment of Bladder Cancer and Its Influence on Tumor Markers.Evidence-based complementary and alternative medicine : eCAM · 2022Article
- Polyethylenimine (PEI)-Mediated E1A Increases the Sensitivity of Hepatocellular Carcinoma Cells to Chemotherapy.Medical science monitor basic research · 2019Article
- Electrostatic interaction of tumor-targeting adenoviruses with aminoclay acquires enhanced infectivity to tumor cells inside the bladder and has better cytotoxic activity.Drug delivery · 2018Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
11 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Gene therapy with adenoviral early region gene (E1A) may enhance the susceptibility of neoplastic cells to chemotherapy-induced cell death. Our previous study developed a urothelium-specific oncolytic serotype 5 adenovirus (Ad5) with the uroplakin II (UPII) promoter controlling E1A expression. The present study investigated whether this urothelium-specific recombinant adenovirus (Ad5-UPII-E1A) enhanced mitomycin (MMC) and hydroxycamptothecin (HCPT) sensitization and drug-induced apoptosis in bladder cancer cells. The results of the MTT assay revealed that combination therapy, using Ad5-UPII-E1A and MMC or HCPT, synergistically inhibited the viability of bladder cancer cells in a dose- and time-dependent manner when compared with either agent alone. When cells were treated with Ad5-UPII-E1A alone they arrested in the G1 phase, but cell cycle analysis by flow cytometry revealed S phase arrest when treated with combined therapy. Treatment with MMC or HCPT enhanced Ad5-UPII-E1A-induced apoptosis in 5,637 cells, observed by transmission electron microscopy. Western blot analysis revealed that MMC and HCPT enhanced the E1A expression of the Ad5-UPII-E1A vectorin a dose-dependent manner. The present study demonstrated that Ad5-UPII-E1A combined with MMC or HCPT resulted in synergistic cytotoxicity in a process which involved the promotion of apoptosis in bladder cancer cell lines. MMC and HCPT also promoted the oncolytic effect of Ad5-UPII-E1A. Thus, treatment using Ad5-UPII-E1A combined with MMC or HCPT may be an attractive strategy for the sensitization of bladder cancer to chemotherapy.
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