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Related Experiment Videos

Will the pig solve the transplantation backlog?

David K C Cooper1, Bernd Gollackner, David H Sachs

  • 1Transplantation Biology Research Center, Massachusetts General Hospital/Harvard Medical School, Boston, Massachusetts 02129, USA. David.Cooper@tbrc.mgh.harvard.edu

Annual Review of Medicine
|January 31, 2002
PubMed
Summary

Xenotransplantation using pig organs could solve human organ shortages. Researchers are investigating methods to overcome immune rejection and ensure safety for successful pig-to-human transplants.

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Area of Science:

  • Transplantation immunology
  • Surgical innovation
  • Organ replacement strategies

Background:

  • Critical shortage of human cadaveric organs limits transplantation numbers.
  • Living donor organs partially address the deficit but remain insufficient.
  • Xenotransplantation (pig-to-human) offers a potential solution if immunological barriers are overcome.

Purpose of the Study:

  • Review current approaches to overcome immunological rejection in xenotransplantation.
  • Discuss challenges including hyperacute and acute humoral xenograft rejection.
  • Address physiological incompatibilities, microbiologic safety, and patient acceptance.

Main Methods:

  • Review of existing research on xenotransplantation barriers.
  • Analysis of strategies to mitigate hyperacute rejection.

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  • Examination of methods to prevent delayed humoral rejection and cellular rejection.

    • Main Results:

    • Hyperacute rejection in pig-to-primate transplants is now manageable.
    • Delayed acute humoral xenograft rejection remains a significant challenge, leading to organ destruction.
    • Effectiveness of current strategies against subsequent acute cellular rejection is unknown.

    Conclusions:

    • Xenotransplantation faces significant immunological hurdles, particularly delayed humoral rejection.
    • Further research is needed to address cellular rejection, physiological compatibility, and safety.
    • Patient and societal acceptance are crucial factors for clinical xenotransplantation implementation.