IL‐12 minicircle delivery via extracellular vesicles as immunotherapy for bladder cancer
2025

IL-12 Delivery for Bladder Cancer Treatment

Sample size: 8 publication 10 minutes Evidence: high

Author Information

Author(s): Wu Zhiyuan, Li Wei, Tan Melissa, How Faith Yuan Xin, Sadhasivan Haripriya, Mahendran Ratha, Wu Qinghui, Chiong Edmund

Primary Institution: National University of Singapore

Hypothesis

Can red blood cell-derived extracellular vesicles (RBCEVs) effectively deliver IL-12 minicircle plasmids to treat bladder cancer?

Conclusion

RBCEVs can safely and effectively deliver IL-12 minicircle plasmids, leading to reduced bladder cancer growth and enhanced immune responses.

Supporting Evidence

  • RBCEVs were shown to effectively deliver IL-12 minicircle plasmids to bladder cancer cells.
  • Intratumoral delivery of IL-12 minicircle-loaded RBCEVs significantly suppressed tumor growth.
  • Treatment with IL-12 minicircle led to increased immune cell infiltration in tumors.
  • RBCEV-mediated delivery resulted in higher IL-12 protein secretion compared to parental plasmids.

Takeaway

Scientists found a way to use tiny bubbles from red blood cells to deliver a special medicine that helps the body fight bladder cancer better.

Methodology

The study used RBCEVs to deliver IL-12 minicircle plasmids to bladder cancer cells and evaluated the effects on tumor growth and immune response in mice.

Limitations

The study was conducted in a subcutaneous bladder cancer model, which may not fully represent the human bladder environment.

Participant Demographics

C57BL/6 mice, aged 6-8 weeks.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1111/cpr.13739

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