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Transgenic pigs and virus adaptation

R A Weiss1

  • 1Institute of Cancer Research, London, UK.

Nature
|February 5, 1998
PubMed
Summary
This summary is machine-generated.

Pigs show promise for xenotransplantation, offering hope for human organ transplants. However, efforts to prevent organ rejection may inadvertently increase the risk of transmitting porcine viruses to recipients.

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Area of Science:

  • Transplantation immunology
  • Virology
  • Comparative medicine

Background:

  • Xenotransplantation, using animal organs for human recipients, is a potential solution to organ shortages.
  • Porcine organs are considered ideal due to physiological similarities with humans.
  • Overcoming immune rejection remains a significant hurdle in xenotransplantation.

Purpose of the Study:

  • To evaluate the potential risk of porcine endogenous retroviruses (PERVs) transmission during xenotransplantation.
  • To assess the safety of using pig organs for human transplantation in light of viral risks.

Main Methods:

  • Review of current research on xenotransplantation and immune rejection.
  • Analysis of known porcine viruses, particularly PERVs.
  • Assessment of potential transmission routes and risks.
Keywords:
Health Care and Public Health

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Main Results:

  • While xenotransplantation offers a solution for organ scarcity, significant immunological challenges persist.
  • Porcine endogenous retroviruses (PERVs) are a potential zoonotic risk associated with pig organs.
  • Strategies to mitigate immune rejection might not adequately address viral transmission risks.

Conclusions:

  • Xenotransplantation using porcine organs holds great potential for addressing the human organ transplant crisis.
  • The risk of PERV transmission must be thoroughly investigated and managed to ensure patient safety.
  • Further research is crucial to balance the benefits of xenotransplantation with the potential infectious risks.