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Updated: Feb 2, 2026

The Other End of the Leash: An Experimental Test to Analyze How Owners Interact with Their Pet Dogs
Published on: October 13, 2017
Dog cloning-no longer science fiction.
Seok Hee Lee1, Hyun Ju Oh1, Min Jung Kim1
1Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul, 08826, Republic of Korea.
Somatic cell nuclear transfer (SCNT) in dogs has advanced significantly since 2005. Improved cloning techniques now enable applications in biomedical research and disease modeling, moving beyond science fiction.
Area of Science:
- Veterinary Science
- Biotechnology
- Genetics
Background:
- Somatic cell nuclear transfer (SCNT) has been used to clone dogs since 2005.
- Cloned dogs exhibit normal growth, blood parameters, and behavior.
- Canine SCNT is utilized for producing working dogs and disease models due to physiological similarities with humans.
Purpose of the Study:
- To review the advancements and applications of canine somatic cell nuclear transfer (SCNT).
- To highlight the potential of cloned and transgenic dogs in biomedical research and human disease modeling.
Main Methods:
- Review of existing literature on canine SCNT and transgenic dog generation.
- Analysis of improvements in SCNT success rates, exemplified by the recloning of Snuppy.
Main Results:
- Canine SCNT has been successfully applied to produce dogs for various purposes, including assistance, detection, and rescue.
- Transgenic dogs have been created for research, including those expressing fluorescent proteins and enhanced muscle performance genes.
- Significant improvements in pregnancy and delivery rates for canine SCNT were observed by 2017.
Conclusions:
- Advances in canine SCNT have increased efficiency and success rates.
- Cloned and transgenic dogs hold substantial promise for biomedical science, particularly in human disease research.
- The application of dog cloning in scientific research is now a practical reality.
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