New Mouse Models for Pseudomyxoma Peritonei
Author Information
Author(s): Kjersti Flatmark, Wenche Reed, Thomas Halvorsen, Olaf Sørensen, Johan N Wiig, Stein G Larsen, Øystein Fodstad, Karl-Erik Giercksky
Primary Institution: Rikshospitalet-Radiumhospitalet Medical Centre
Hypothesis
Can human tumor tissue from patients with pseudomyxoma peritonei be successfully implanted in mice to create reliable models for studying the disease?
Conclusion
Two novel orthotopic models of human pseudomyxoma peritonei have been established that accurately reflect the disease's histopathologic subtype and essential tumor properties.
Supporting Evidence
- The models retained essential properties of the original human tumors.
- Xenografts exhibited noninvasive growth without metastasis.
- Histological examination confirmed the PMCA-I subtype in both models.
Takeaway
Scientists created two new mouse models to study a rare cancer called pseudomyxoma peritonei, which helps them understand the disease better and test treatments.
Methodology
Human tumor tissue was implanted in the peritoneal cavity of nude mice to establish two orthotopic models.
Limitations
The study does not assess the efficacy of treatments in these models.
Participant Demographics
Two female patients, aged 83 and 56, with pseudomyxoma peritonei.
Digital Object Identifier (DOI)
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