Clinical xenotransplantation of organs: Why aren't we there yet?
2007

Clinical Xenotransplantation of Organs: Why Aren't We There Yet?

publication Evidence: moderate

Author Information

Author(s): Mohiuddin Muhammad M

Primary Institution: National Heart, Lung, and Blood Institute, National Institutes of Health

Hypothesis

Why is the immunological barrier the most important hurdle preventing clinical xenotransplantation of organs?

Conclusion

The immunological barrier remains a significant challenge for the success of clinical xenotransplantation despite advancements in genetically modified pigs.

Supporting Evidence

  • Xenotransplantation has been pursued as a solution to the organ shortage.
  • Genetically modified pigs show promise for compatibility with human organs.
  • Immunological barriers remain the primary challenge in xenotransplantation.

Takeaway

Scientists are trying to use animal organs for human transplants, but our bodies often reject them because they see them as foreign. We need to find ways to make these organs more accepted by our immune system.

Methodology

The article discusses lessons learned from large animal xenograft models and the immunological barriers faced in xenotransplantation.

Potential Biases

The reliance on animal models may not fully translate to human responses, leading to potential biases in the findings.

Limitations

The study highlights the complexity of immune responses in large animal models and the need for extensive immunosuppression, which increases infection risks.

Digital Object Identifier (DOI)

10.1371/journal.pmed.0040075

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