Surgeons Transplant Pig Kidney Into A Human For The First Time, But Is It Ethical?

PETA says animals should not be used as 'warehouses for human spare parts'


3 Minutes Read

Surgeons Who Transplanted Pig Kidney Into Human Accused Of Unethical Practices Researchers attached the pig’s kidney to the patient’s blood vessels. - Media Credit: Adobe. Do not use without permission.

Surgeons in the US have managed to transplant a pig kidney into a human. It marks the first time the procedure has been completed without the human immune system rejecting it.

Medical professionals say this could pave the way for future transplant procedures. But animal welfare organizations argue the concept is unethical. 

The transplant

Doctors conducted the procedure at NYU Langone Health in New York City.

Previously, the human immune system has rejected similar transplants due to the presence of alpha-gal, a sugar molecule found in pig cells.

Scientists removed the molecule using gene-editing technology to combat this response.

The patient who underwent the surgery had kidney dysfunction, and had been pronounced brain dead. The individual’s family consented to the procedure before the patient was removed from life support.

Researchers attached the pig’s kidney to the patient’s blood vessels. They then maintained the organ outside of the human body for three days to observe it.

The patient’s autoimmune response did not reject the kidney. Instead, her creatinine levels – which often rise alongside kidney dysfunction – returned to normal. 

Researchers believe the development could help critically ill patients. Credit: Adobe. Do not use without permission.

Organ donor shortages

Transplant surgeon Dr. Robert Montgomery, who has had a heart transplant himself, spoke to Reuters about the procedure. 

He explained that the kidney’s function appeared ‘pretty normal’ post-procedure.

It also produced ‘the amount of urine that you would expect’ from a transplanted human organ. 

Dr. Montgomery believes the procedure could be trialed in patients with end-stage kidney failure in the coming years. The trials could offer short-term solutions for the critically ill, he said, until a human kidney becomes available. 

In the US alone, nearly 107,000 people are waiting for organ transplants, Reuters reports. This includes more than 90,000 people who are in need of a kidney. The average wait time for a kidney, on average, is three to five years.

Are animal-to-human transplants ethical?

The researchers involved in the procedure worked alongside medical ethicists, as well as ‘legal and religious experts’, before asking the family for consent, Reuters says.

But others argue that the procedure is unethical regardless of context.

People for the Ethical Treatment of Animals (PETA), thought to be the largest animal rights organization in the world, believes the organ shortage can be solved without animal involvement. 

The charity proposes that the US update its ‘opt-in’ organ donation policy, to an ‘opt-out’ process instead. 

“From an ethical perspective, PETA has always been opposed to the use of sentient animals as warehouses for human spare parts. Animals are not spare parts,” Alka Chandna, PETA’s vice president of laboratory investigations cases, told USA Today.

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