Scientists Gene-Edited a Dog. It Likely Won’t Stop There
The study's lead author told Newsweek that gene editing could become another tool for addressing health problems in dogs.
In a groundbreaking study published in The CRISPR Journal, scientists have successfully created two gene-edited beagles, Alfie and Bailey. Their research, led by Matt Walker, aims to tackle dog allergies at their source, potentially paving the way for broader applications in companion animal genetics. The edited dogs displayed no detectable major dog allergen in their saliva, hair, or dander, and a single sensitized person showed no allergic reaction to extracts from the dogs.
While the study serves as a proof of concept, researchers emphasize that it is not a finished allergy treatment. The dogs have shown normal growth and development, but the research raises the possibility of using gene editing to prevent disease or improve animal health. Walker suggests that gene editing could become another tool for addressing specific biological problems in companion animals, particularly for breeds with inherited health issues.
However, the changes would be minimal and precise, focusing on health benefits rather than altering appearance or temperament. While cat allergies could potentially be addressed using the same technology, the genetic basis of cat allergens is more complex. The study's authors note that each species presents different scientific challenges.
For now, the team is focused on dogs and building evidence around the safety and potential benefits of this approach. Bioethicist Jessica Pierce argues that the technology is neither inherently good nor bad, but rather the questions revolve around its impact on humans and animals, who benefits, and who bears the risks. Pierce suggests that the immediate goal of gene-edited, allergy-friendly dogs is to solve a human problem, but questions whether redesigning dogs should be the first response.
She compares the emerging debate to a new stage of domestication, where living with animals may soon require humans to adapt to them instead of the other way around. The conversation also highlights the complexity of the shelter crisis, with millions of dogs and cats already in need of homes.
Written by urgent.news from Newsweek's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.
