WASHINGTON (Reuters) - South Korean scientists have announced they cloned several human embryos and managed to extract valuable stem cells from one, an achievement welcomed by scientists but condemned by opponents of embryo research.
The Korean team was not trying to make a baby, but aiming at a technique called therapeutic cloning. It could eventually involve taking a plug of skin or a little blood from a patient and using it to grow perfectly matched tissue, organs or batches of cells.
These could, in theory, be used to treat diabetes by replacing destroyed pancreatic cells, brain disease such as Parkinson's or Alzheimer's or even to patch a severed spinal cord.
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Opponents quickly condemned the report.
"Cloning research is impossible to do without exploiting women. It should be banned immediately," said Daniel McConchie, a spokesman for the Chicago-based Center for Bioethics and Human Dignity.
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