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Updated: Jul 20, 2026
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A Standardized Pig to Macaque Heterotopic Heart Xenotransplantation Model
Published on: November 4, 2025
Tolerance, xenotransplantation: future therapies
Matthew J Weiss1, Choo Y Ng, Joren C Madsen
1Transplantation Biology Research Center and Division of Cardiac Surgery, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA 02114, USA.
The Surgical Clinics of North America
|September 12, 2006
Summary
Future organ transplantation may overcome donor shortages and chronic rejection through tolerance induction and xenotransplantation. These innovative therapies aim to improve long-term patient and graft survival in solid organ recipients.
Area of Science:
- Immunology
- Transplantation Medicine
- Regenerative Medicine
Background:
- Solid organ transplantation faces critical limitations due to organ scarcity and chronic rejection, impacting patient outcomes.
- Graft failure post-transplantation often results from immunologic injury, while some recipients succumb to complications of immunosuppression.
- Current strategies struggle to meet the demand for organs and ensure long-term graft viability.
Purpose of the Study:
- To review emerging therapies for solid organ transplantation, focusing on tolerance induction and xenotransplantation.
- To highlight promising research that could soon impact clinical surgical practice.
- To address the dual challenges of organ availability and long-term graft survival.
Main Methods:
- Review of current scientific literature on tolerance induction in transplantation.
- Analysis of advancements in xenotransplantation research.
- Focus on near-future clinical applications and ongoing research relevant to surgeons.
Main Results:
- Tolerance induction offers a pathway to long-term graft acceptance without continuous immunosuppression.
- Xenotransplantation presents a potential solution for the critical shortage of donor organs.
- Ongoing research is paving the way for these advanced therapies in clinical settings.
Conclusions:
- Tolerance induction and xenotransplantation are key future strategies to enhance organ transplantation success.
- These approaches promise to significantly improve long-term patient and graft survival.
- Clinical surgeons can anticipate the integration of these novel therapies in the near future.
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