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Updated: Jun 25, 2026
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A Porcine Heterotopic Heart Transplantation Protocol for Delivery of Therapeutics to a Cardiac Allograft
Published on: February 14, 2022
Lessons from cardiac transplantation in infancy.
Jeffrey L Platt1, Marilia Cascalho, Lori West
1Department of Surgery, Microbiology and Immunology, University of Michigan, Ann Arbor, MI 48109-2200, USA. plattjl@umich.edu
Pediatric Transplantation
|March 4, 2009
Summary
Pediatric cardiac transplantation provides a unique model to study the immune system. Young children
Area of Science:
- Immunology
- Transplantation Science
- Pediatric Cardiology
Background:
- Cardiac transplantation in infancy corrects severe heart conditions.
- Infants possess fewer memory B and T cells, offering a model for primary immune responses.
Purpose of the Study:
- To explore the structure and function of the immune system using infant cardiac transplant recipients.
- To investigate spontaneous tolerance development in young children undergoing allotransplantation.
Main Methods:
- Analysis of immune responses in infant cardiac transplant patients.
- Assessment of T cell diversity and function following thymectomy and T cell depletion.
Main Results:
- Young children's immune response to allotransplantation resembles a primary response.
- Cardiac transplant recipients in infancy exhibit reduced T cell diversity, enabling functional studies.
Conclusions:
- Infant cardiac transplantation serves as a valuable model for understanding immune system development and tolerance.
- Reduced T cell diversity in these unique patients allows for novel investigations into immune function.
