Beijing, August 28, 2025, 05:11 PM PKT – Chinese scientists are preparing for additional pig-to-human lung xenotransplant trials. This initiative follows the first successful genetically modified pig lung transplant into a brain-dead patient, as reported by Nature Medicine.
Breakthroughs in Xenotransplantation
In May 2024, a groundbreaking procedure marked a significant advancement in xenotransplantation research. The pig lung functioned for nine days within the recipient. Professor He Jianxing, the lead researcher at Guangzhou Medical University, emphasized the ongoing focus on improving outcomes. He stated, “We aim to refine genetic edits for safer clinical trials.”
Leveraging CRISPR Technology
The historic transplant involved a Bama pig with six CRISPR edits designed to reduce immune rejection. However, the medical team faced several significant challenges.
Key Challenges Encountered
- Fluid buildup in the transplanted organ
- Managing immune responses
- Concerns about long-term organ functionality
Researchers are working to address these challenges before moving to the next trial phase. Trials involving living patients are expected to commence by 2026.
Tackling Global Organ Shortage
This initiative aims to address the critical global shortage of donor organs. In 2024, only 8,236 lung transplants occurred worldwide, insufficient to meet demand. Clonorgan Biotechnology plans to supply genetically modified pigs with advanced genetic edits to further minimize rejection risks.
A health official involved with the project commented, “This is a game-changer.”
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