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A groundbreaking medical achievement has been reached as a Chinese patient undergoes the world’s inaugural successful gene-edited pig liver transplant. Remarkably, the transplant proved fruitful, with the patient exhibiting no signs of organ rejection despite the innovative procedure.
(Photo : scotth23 from Pixabay)
DCD transplants have been done in the UK since 2009.
World’s First Successful Gene-Edited Pig Liver Transplant
In a groundbreaking development, Chinese researchers have achieved a historic feat conducting the world’s premier successful transplantation of a gene-edited pig liver into a human recipient.
Interesting Engineering reported that this pioneering procedure carries a singular objective: to address the pressing challenge of organ shortages, a perennial concern amidst the perpetual waitlists for donors.
China’s Air Force Medical University conducted a groundbreaking procedure involving a genetically modified pig liver to eliminate genes linked to organ rejection.
The liver was transplanted into a brain-dead patient, with no signs of rejection observed even 96 hours post-surgery.
Advancements in organ transplantation are witnessing a significant stride forward as scientists delve into innovative methods to streamline the process.
The implications of this research are profound, particularly in addressing the global burden of liver disease, which claims over two million lives annually.
Also Read: Japan Breeds First Pigs for Human Organ Transplants Amid Donor Shortage Crisis
In China, where the study was conducted, liver failure affects up to 500,000 individuals each year, often resulting in fatalities due to the limited availability of donor organs for transplantation. Traditional human liver transplants, although life-saving, are constrained the scarcity of organ donors.
As a result, Xenotransplantation, especially utilizing gene-edited pig organs, emerges as a promising alternative to traditional organ donation methods.
Addressing Challenges
Researchers harness genetically modified pigs to minimize the risk of organ rejection and expand the pool of available donor organs, offering a potential solution for treating liver diseases and saving numerous lives.
However, the widespread adoption of xenotransplantation poses certain challenges, including ethical concerns and technical constraints. While pig organs hold significant promise as substitutes for human organs, their structural and functional complexity limits their ability to fully replace native organs.
To address these challenges, researchers have pioneered innovative surgical techniques, such as auxiliary transplantation, aimed at enhancing compatibility and ensuring optimal organ function within the recipient’s body.
During the procedure, surgeons cut one of the large veins in the patient’s liver and subsequently attach the liver to either end of the vein after extraction from the donor pig, having trimmed it to a specific weight beforehand.
The team has innovated this technique for connecting the transplanted liver, ensuring optimal blood and liver bile flow. This advancement will offer a fresh avenue for clinical implementation of xenogenic liver transplantation.
Nevertheless, apprehensions arise regarding the ethical dilemmas associated with breeding animals for organ donation and the potential transmission of pathogens from animals to humans. Addressing these concerns necessitates a more meticulous approach and stringent regulation in the advancement of xenotransplantation.
Related Article: Second Patient Receives Genetically Altered Pig Heart for End-Stage Heart Disease
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