Genetically Modified Pig Kidney Functions for 9 Months in Human Body
Photo: Wired
Quick answer
A genetically modified pig kidney has functioned in a human body for nine months, setting a record in xenotransplantation. This breakthrough opens new possibilities for solving the global shortage of donor organs.
A team of U.S. researchers has set a new record in xenotransplantation—the process of transplanting organs between different biological species. For the first time, a genetically modified pig kidney functioned in a human patient for nine months, far exceeding previous outcomes.
The experiment was conducted as part of a clinical study aimed at addressing the global shortage of donor organs. According to the World Health Organization, millions of people die annually while waiting for a kidney transplant. Using animal organs could provide a vital solution to this crisis.
To modify the kidney, scientists utilized genome-editing technologies such as CRISPR. These methods removed genes responsible for tissue rejection and incorporated human genes to improve compatibility. This significantly reduced the risk of immune response in the recipient.
Prior attempts at xenotransplantation faced major hurdles, with organs either being rapidly rejected or failing to function properly. The new approach demonstrates that genetic modification can make pig organs more viable for transplantation. Researchers are continuing to refine the technology and expand its applications.
Common questions
- What is xenotransplantation, and why is it important?
- Xenotransplantation involves transplanting organs between different species. It could resolve the donor organ shortage, as pig organs are anatomically and physiologically similar to human ones.
- What technologies were used to modify the pig kidney?
- Researchers employed genome-editing techniques like CRISPR to eliminate genes causing tissue rejection and introduce human genes to enhance compatibility.
- What risks are associated with xenotransplantation?
- Key risks include organ rejection, potential transmission of animal viruses, and ethical concerns. Scientists are actively working to mitigate these threats.
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