ArticleInvestigative and clinical urology2023
Efficacy of recombinant Bacillus Calmette-Guérin containing dltA in
Article in Investigative and clinical urology, 2023. 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, 5 citations in OpenAlex.
- The potential antitumor effects of combining intravesical therapy with recombinant bacillus calmette-guérin and an anti-PD-1 inhibitor in bladder cancer.BMC cancer · 2026Article
- Harnessing organoid technology in urological cancer: advances and applications in urinary system tumors.World journal of surgical oncology · 2025Review
- Promising future of breast cancer vaccine asking for multidisciplinary collaboration: a literature review.Frontiers in cell and developmental biology · 2025Review
- Advances in recombinant Bacillus Calmette-Guérin therapy for bladder cancer from 2015 to 2024: Innovations and challenges.Bladder (San Francisco, Calif.) · 2025Review
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeWe investigated the efficacy and optimal dosage of recombinant Bacillus Calmette-Guérin-dltA (rBCG-dltA) in a high-throughput 3D bio-printed bladder cancer-on-a-chip (BCOC) and orthotopic bladder cancer mouse model. MATERIALS AND
methodsWe fabricated high-throughput BCOC with microfluidic systems, enabling efficient drug screening. The efficacy of rBCG-dltA was evaluated using BCOC by the cell viability assay, monocyte migration assay, and measuring cytokine levels. The anti-tumor effect was compared using the orthotopic bladder cancer mouse model.
resultsThe cell proliferation rates of T24 and 253J bladder cancer cell lines (mean±standard error) were measured at three days after treatment. In T24 cell line, there was significantly decreased T24 cells compared to control at rBCG 1 multiplicity of infection (MOI) and 10 MOI (30 MOI: 63.1±6.4, 10 MOI: 47.4±5.2, 1 MOI: 50.5±7.5, control: 100.0±14.5, p<0.05). In 253J cell line, a statistically significant decrease in 253J cell count compared to control and mock BCG 30 MOI (30 MOI: 11.2±1.3, 10 MOI: 22.5±2.3, 1 MOI: 39.4±4.7, Mock: 54.9±10.8, control: 100.0±5.6, p<0.05). The migration rates of THP-1 cells showed increased patterns after rBCG-dltA treatment in BCOC. The concentration of tumor necrosis factor-α and interleukin-6 after rBCG-dltA 30 MOI treatment was higher than control in T24 and 253J cell line.
conclusionsIn conclusion, rBCG-dltA has the potential to have better anti-tumor activity and immunomodulatory effects than BCG. Furthermore, high-throughput BCOCs have potential to reflect the bladder cancer microenvironment.
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