Low-energy DC current ablation in a mouse tumor model
Prejesh Philips1, Yan Li, Robert C G Martin
1Division of Surgical Oncology, Department of Surgery, University of Louisville, Louisville, KY, USA.
Abstract:
Irreversible electroporation has recently been applied to tissue and tumor ablation. This animal model was developed to evaluate optimal parameters for subcutaneous tumor ablation. The immortalized Panc1 tumor cell line was used for generating tumors via subcutaneous injection in mice. Under general anesthesia with complete muscle relaxation, electroporation was performed with the NanoKnife device. Post-procedure tumors were recovered and studied at specified time intervals to assess the efficacy.
Insights
This study developed an animal model to find the best settings for irreversible electroporation (IRE) tumor ablation. The NanoKnife device was used to treat subcutaneous tumors in mice, with efficacy assessed post-procedure.
Area of Science:
- Oncology
- Biomedical Engineering
- Surgical Innovation
Background:
- Irreversible electroporation (IRE) is an emerging technique for tissue and tumor ablation.
- Developing effective animal models is crucial for optimizing novel therapeutic parameters.
Purpose of the Study:
- To establish and evaluate an animal model for optimizing irreversible electroporation parameters in subcutaneous tumor ablation.
- To assess the efficacy of IRE using the NanoKnife device in a preclinical setting.
Main Methods:
- Utilized the immortalized Panc1 tumor cell line for subcutaneous tumor induction in mice.
- Administered general anesthesia and muscle relaxation prior to electroporation.
- Employed the NanoKnife device for irreversible electroporation treatment.
- Monitored tumor response at predetermined intervals post-procedure.
Main Results:
- Successfully established a subcutaneous tumor model in mice for IRE studies.
- Demonstrated the feasibility of using the NanoKnife device for tumor ablation in this model.
- Collected data on tumor response to IRE for parameter optimization (specific results pending further analysis).
Conclusions:
- The developed animal model provides a platform for investigating optimal parameters for irreversible electroporation in subcutaneous tumor ablation.
- Further studies are warranted to fully elucidate the efficacy and refine treatment protocols for IRE in oncology.
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