Utilizing the method that created Dolly the Sheep, transferred DNA, researchers say it might produce genetically uniform monkeys to be used in analysis into human ailments.
However others will view it as a significant step in direction of the creation of tailored people.
Lengthy-tailed macaques Zhong Zhong and Hua Hua had been born on the Chinese language Academy of Sciences Institute of Neuroscience in Shanghai utilizing DNA from foetal connective tissue cells.
After the DNA was transferred to donated eggs, genetic reprogramming was used to modify on or off genes that may in any other case have suppressed embryo growth.
Analysis staff chief Dr Qiang Solar mentioned: “We tried a number of totally different strategies, however just one labored. There was a lot failure earlier than we discovered a strategy to efficiently clone a monkey.
“You’ll be able to produce cloned monkeys with the identical genetic background besides the gene you manipulated.
“This may generate actual fashions not only for genetically primarily based mind ailments, but in addition most cancers, immune or metabolic problems and permit us to check the efficacy of the medicine for these circumstances earlier than scientific use.”
Dolly the Sheep was cloned by scientists in Edinburgh 20 years in the past utilizing the only cell nuclear switch (SCNT) approach.
It was the primary time scientists had managed to clone a mammal from an grownup cell.
Though a primate has been cloned earlier than, Zhong Zhong and Hua Hua are the primary utilizing SCNT, which might theoretically produce an indefinite variety of clones from a single donor.
Nevertheless Professor Robin Lovell-Badge, from The Francis Crick Institute in London mentioned he didn’t consider it elevated the probabilities of cloned people.
“The work on this paper isn’t a stepping-stone to establishing strategies for acquiring live-born human clones,” he mentioned.
“This clearly stays a really silly factor to try. It might be far too inefficient, far too unsafe, and it’s also pointless.
“Clones could also be genetically similar, however we’re removed from solely being a product of our genes.”