Researchers believe that cancer cells have a smell different from normal cells. And dogs are able to detect it. This is being researched further. In the meantime cloning in South Korea has produced 4 puppies from a dog that was already sniffing out cancers.
A South Korean biotech firm announced it has successfully cloned four dogs capable of sniffing out human cancers by using tissue from a Labrador retriever in Japan, media reported Wednesday.
RNL Bio, a leader in commercializing cloning in South Korea, said Monday the dogs were born last month and would be sent to Japan for training in the same skills as their mother. Two of them will later be sold to clients at 480,000 U.S. dollars each or more, it said. The puppies were cloned from Marine, a six-and-a-half-year-old dog which is unable to give birth to siblings following an operation to have her womb removed. "Thanks to the cloning technology, it (Marine) has been able to preserve its own genes," said a statement on RNL Bio's website. (Link)