Breakthrough revealed in human therapeutic cloning

As President Bush was renewing his pledge to veto the latest bill to allow funding for embryonic stem cell research, a U.S. scientist was announcing a major breakthrough in human therapeutic cloning. Shoukhrat Mitalipov of the Division of Reproductive Sciences at the Oregon National Primate Research Centre in Portland announced that he had created ES cell lines by inserting the nucleuses of monkey cells into a monkey egg, which developed into an early-stage embryo, a process known as somatic cell nuclear transfer. ES cells were used to create self-replicating stem cells. This is the same breakthrough that the disgraced South Korean scientist Hwang Woo-Suk had claimed fraudulently.

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