Scientists Gene-Edited a Dog. It Likely Won’t Stop There
Summary
Scientists used gene editing on two beagle dogs to remove a major protein that causes allergies in humans. Early results show these dogs do not produce the allergen and do not trigger allergic skin reactions in tests, opening the possibility of reducing pet allergies through genetic changes.Key Facts
- Researchers gene-edited two beagles, named Alfie and Bailey, in September 2024.
- The edited dogs do not produce Can f 1, a protein responsible for many dog allergies.
- Tests on the dogs' saliva, hair, and dander found no Can f 1 allergen.
- One person with dog allergies showed no skin reaction to extracts from the edited dogs.
- This study is a proof of concept with only two dogs, not a finished treatment.
- Gene editing may help correct inherited health problems in pets by making small DNA changes.
- Researchers hope gene editing will improve animal health and welfare without changing appearance or temperament.
- The team is also considering applying gene editing to other animals, like cats, but allergies in cats involve more complex genetics.
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