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Faked finds: human stem cell work is discredited.

DNA evidence indicates that South Korean scientist Woo Suk Hwang fabricated data in studies purporting to show that he had cloned human embryos and derived stem cells from them, Seoul National University investigators say. A March 12, 2004 Science paper vaulted Hwang to fame, but the DNA in stem cells remaining from that experiment doesn't match that from the embryonic cells shown in the report, indicating that the results were faked. The university investigators also discredited a related article published in the June 17, 2005 Science.

Last month, Hwang offered to retract the two papers (SN: 12/24&31/05, p. 406). An Aug. 4, 2005 Nature paper, in which Hwang's team claimed to have cloned a dog (SN: 8/6/05, p. 83), is legitimate, the university investigators say.
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Title Annotation:Woo Suk Hwang's research on stem cells
Author:Seppa, N.
Publication:Science News
Article Type:Brief Article
Geographic Code:9SOUT
Date:Jan 14, 2006
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