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A model of partial hepatectomy in mice
Mehrdad Nikfarjam1, Caterina Malcontenti-Wilson, Michael Fanartzis
1Department of Surgery, University of Melbourne, Austin Hospital, Melbourne, Victoria, Australia.
Summary
This study presents a simple mouse model for partial hepatectomy (liver resection) and regeneration. The method is safe and reproducible, showing no negative impact on the liver regeneration process.
Area of Science:
- Hepatology
- Surgical Research
- Regenerative Medicine
Background:
- Studying liver regeneration requires a reliable animal model.
- Existing models may lack simplicity, reproducibility, or versatility.
Purpose of the Study:
- To describe a versatile, simple, and reproducible murine model of partial hepatectomy.
- To evaluate the safety and efficacy of this model for studying liver regeneration.
Main Methods:
- Male CBA mice underwent 37% or 70% partial hepatectomy using hemostatic clips.
- Liver mass was measured pre- and post-operatively (21 days) and compared to controls.
Main Results:
- No operative deaths occurred in either resection group.
- Partial hepatectomy was performed safely and rapidly.
- Postoperative liver mass at 21 days was not significantly different from control animals, indicating complete regeneration.
Conclusions:
- Hemostatic clip ligation provides a safe and rapid method for partial hepatectomy in mice.
- This model is suitable for research on liver regeneration and related pathologies.