UK experts hail cloning breakthrough
Cloning experts in Britain have welcomed news that an American research team has cloned dozens of embryos from adult monkeys in a breakthrough that could lead to the efficient creation of cloned human embryos for research.
Scientists in the US said they had produced dozens of cloned embryos from a 10-year-old adult macaque monkey using a new technique that avoids damaging the egg cells. They also said they had extracted stem cells from some of the embryos and grown them in the test tube into the specialised cells of the nervous system and the heart.
Sir John Gurdon, of Cambridge University, who was the first scientist to clone an animal when he produced cloned tadpoles in the 1960s, said the scientists, from the Oregon National Primate Research Centre in Beaverton, had performed "marvellous work" that should provide the basis for attempts at cloning human embryos.
Sir Richard Gardner, a Royal Society professor at Oxford University, said it was hard to assess the true value of the work until it was formally published, but preliminary findings, as reported in The Independent yesterday, suggested that it was an important breakthrough.
"It certainly seems to discredit the claim that there is something fundamentally different about primates that makes cloning difficult in monkeys and humans," Sir Richard said.
Robin Lovell-Badge, a stem cell scientist at the National Institute for Medical Research in Mill Hill, near London, said: "Although this work has not been published yet, it is potentially significant because there has been a worry that primates may prove to be difficult in terms of cloning."
The Oregon team, led by Shoukhrat Mitalipov, has experimented in placing about 100 cloned macaque embryos into the wombs of about 50 surrogate mothers, but so far the scientists have not had any success in producing live offspring.
Professor Don Wolf, a leading member of the Oregon team, said that the breakthrough resulted from a new way of handling primate egg cells under a microscope using polarised light rather than ultraviolet light and dyes.
The work is scheduled to be published in Nature this month. A spokeswoman for the journal said she could not comment on any manuscript that may be in press.
- 1 What happens to your body when you give up sugar?
- 2 Drugs Live cannabis trial: Hash is less harmful than any other drug, expert claims
- 3 Turkish Airlines flight TK 726 crash-lands on Nepal runway in dense fog
- 4 Have sex with your iPad thanks to the new sex toy no-one asked for
- 5 The majority of sex workers enjoy their job - why should we find that surprising?
Out-of-touch MPs ‘don’t get it’, says ex-Civil Service chief
George Clooney and Amal fail to get special treatment at New York restaurant
Cindy Crawford 'un-PhotoShopped' viral Marie Claire image was doctored, photographer claims
'A girl is more responsible for rape than a boy': The statement that shocked the world... except India
The 'sex selfie stick' lets you FaceTime the inside of a vagina
Nearly 100,000 of Britain's poorest children go hungry after parents' benefits are cut
Durham Free School: 'Creationism taught at' free school facing closure
Ukip would cut billions from Scottish budget to fund English tax cuts
End of the licence fee: BBC to back radical overhaul of how it is funded
Ukraine crisis: Top Chinese diplomat backs Putin and says West should 'abandon zero-sum mentality'
Boris Nemtsov shot dead: Outspoken Putin critic who had expressed fears for his life is killed near the Kremlin
£14400 per annum: Recruitment Genius: This is an opportunity to join a multi-d...
£34000 - £36000 per annum: Recruitment Genius: This provider of Energy Consult...
£50000 - £70000 per annum + Excellent Salary: Austen Lloyd: BRISTOL - FIRST CL...
Negotiable: Recruitment Genius: A leading Leicestershire based chilled food ma...