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Updated: Jul 6, 2026

Mouse Kidney Transplantation: Models of Allograft Rejection
Published on: October 11, 2014
Allograft rejection: acute and chronic studies
Susanna Tomasoni1, Giuseppe Remuzzi, Ariela Benigni
1Mario Negri Institute for Pharmacological Research, Ospedali Riuniti di Bergamo, Bergamo, Italy.
Abstract:
Organ transplantation represents the only possible therapeutic intervention for a large number of end-stage renal diseases. The current immunosuppressive drugs are very efficient to overcome the acute rejection; however, their continuous administration exposes patients to a great risk of developing opportunistic infections and cancer. The typical drug cocktail consisting of a high-dose steroid, a calcineurin inhibitor and an anti-metabolite is effective but any of these drugs exert specific side effects including nephrotoxicity in the long-term. The rate of late graft loss, essentially due to the onset of chronic allograft nephropathy, is still too excessive and can be predicted by a previous episode of acute rejection. Attempts to limit the early insults damaging the graft should exert beneficial effects on long-term graft functionality. Gene therapy, originally conceived to cure genetic diseases, has been successfully applied in the last decade to organ transplantation with the final aim to overcome acute or chronic rejection. Transfer of genes that encode proteins with immunomodulatory properties might represent a therapeutic tool to reduce and hopefully avoid the long-life administration of drugs. In this chapter, we review gene therapy studies carried out in the context of experimental organ/tissue allotransplantation to overcome acute and chronic graft rejection.
Insights
Gene therapy offers a promising approach to reduce organ transplant rejection and minimize the need for long-term immunosuppressive drugs, thereby decreasing risks of infection and cancer. This review explores experimental gene therapy applications in organ allotransplantation to combat acute and chronic rejection.
Area of Science:
- Immunology
- Transplantation Biology
- Molecular Medicine
Background:
- Organ transplantation is crucial for end-stage renal disease but relies on immunosuppressants with significant side effects like infections, cancer, and nephrotoxicity.
- Current immunosuppressive regimens, while effective against acute rejection, contribute to long-term graft loss via chronic allograft nephropathy.
- Reducing early graft insults is key to improving long-term transplant functionality.
Purpose of the Study:
- To review gene therapy strategies for overcoming acute and chronic rejection in experimental organ/tissue allotransplantation.
- To explore the potential of gene therapy in reducing or eliminating the need for long-term immunosuppressive drug administration.
- To highlight the application of gene therapy in mitigating the adverse effects associated with conventional immunosuppression.
Main Methods:
- Review of experimental gene therapy studies in organ/tissue allotransplantation models.
- Analysis of gene transfer techniques encoding immunomodulatory proteins.
- Evaluation of therapeutic outcomes in preventing or managing graft rejection.
Main Results:
- Gene therapy has emerged as a viable strategy in experimental organ transplantation over the past decade.
- Transferring genes for immunomodulatory proteins shows potential in managing graft rejection.
- Gene therapy aims to reduce reliance on conventional immunosuppressive drugs and their associated toxicities.
Conclusions:
- Gene therapy presents a promising therapeutic avenue to improve outcomes in organ transplantation.
- It offers a potential alternative to lifelong immunosuppression, thereby reducing patient morbidity.
- Further research in experimental models is essential to translate gene therapy into clinical practice for organ allotransplantation.
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