Word: stemming
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Dates: during 2000-2009
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...STEM CELLS Before admitting to ethical lapses last week, the same Korean researcher who created Snuppy the cloned puppy (see "Cloning") shocked Western scientists by producing 11 custom-made human-stem-cell lines from the cloned skin cells of individual patients. The labs' procedure was surprisingly efficient; Woo Suk Hwang and his team needed on average only 17 human eggs to grow each of the cell lines (in contrast to the 242 eggs they needed to make a single stem-cell line just 15 months earlier). Research like this may someday lead to treatments for a wide range of disorders...
...embryonic tissue. At Duke University, doctors used umbilical-cord blood to save babies born with Krabbe disease, a rare and usually fatal genetic disorder. The illness, which prevents brain development and causes rapid deterioration and death, was immediately halted by transplanting another baby's cord blood--and the stem cells it contained-- into infants with the Krabbe defect...
...Seoul National University who finally succeeded in turning a single cell from the ear of an Afghan hound into a genetically identical puppy. Hwang was back in the news last week when he admitted lying about the source of some of the human eggs used in an earlier stem-cell experiment. Nevertheless, many scientists suspect the techniques Hwang perfected to clone a dog could be adapted to duplicate almost any species--including a primate...
...support in South Korea, where he's something of a national hero. Earlier this week, the female head of an info-tech consulting company, along with 11 other business people, a lawmaker and a female comedian, set up a non-profit foundation to encourage women to donate eggs to stem cell research. Eighty women have signed up so far, a foundation spokesperson said. There has been a backlash against broadcaster MBC for airing a program this week that highlighted the ethical questions about how Hwang obtained eggs. Koreans have called companies that ran commercials during the weekly documentary's time...
...past year, Hwang also refined his human-cell-cloning process to yield the first stem cells from patients with diseases, bringing medicine a step closer to the possibility of curing illnesses from Alzheimer's to diabetes with a patient's own rejection-proof tissues. Now his new lab will try to duplicate that scientific winning streak without...