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The new pig on the block: modelling cancer in pigs
Tatiana Flisikowska1, Alexander Kind, Angelika Schnieke
1Chair of Livestock Biotechnology, Technische Universität München, Liesel-Beckmann-Straße 1, 85354 Freising, Germany.
Abstract:
The molecular mechanisms underlying many human cancers are now reasonably well understood. The challenge now is to bridge the gap between laboratory and clinical oncology, so these accomplishments can be translated into practical benefits for human patients. While genetically modified mice have played a prominent role in basic research, they are less suitable for many preclinical studies. Other animals can provide important complementary resources to aid the development, validation and application of new medicines and procedures. Powerful methods of genetic engineering have now been extended to physiologically more relevant species, particularly the pig, opening the prospect of more representative, genetically defined, cancer models at human scale. We briefly review the field and outline our program to generate gene-targeted pigs carrying mutations in tumour suppressor genes and proto-oncogenes that replicate key lesions responsible for a variety of human cancers. We also highlight some important issues for the future development and usefulness of porcine cancer models.
Insights
Researchers are developing gene-targeted pigs to create more accurate human cancer models. These large-scale, genetically defined porcine models aim to improve preclinical studies and accelerate cancer drug development.
Area of Science:
- Oncology
- Genetics
- Comparative Medicine
Background:
- Molecular mechanisms of human cancers are understood, but translating this to clinical benefits requires better preclinical models.
- Genetically modified mice are limited for certain preclinical studies.
- Physiologically relevant animal models are needed for cancer research and drug development.
Purpose of the Study:
- To review the potential of animal models in oncology.
- To outline a program for generating gene-targeted pigs with human cancer-relevant mutations.
- To discuss the future development of porcine cancer models.
Main Methods:
- Reviewing existing literature on animal models in cancer research.
- Developing gene-targeting strategies in pigs.
- Introducing mutations in tumor suppressor genes and proto-oncogenes in pigs.
Main Results:
- Pigs offer a physiologically relevant, human-scale platform for cancer modeling.
- Gene-targeted pigs can replicate key genetic lesions found in human cancers.
- This approach enables the creation of genetically defined, representative cancer models.
Conclusions:
- Gene-targeted pigs represent a significant advancement for preclinical cancer research.
- Porcine cancer models can bridge the gap between laboratory discoveries and clinical applications.
- Further development is crucial for maximizing the utility of these models in human cancer treatment.
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