Word: stems
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After three years of endless experiments on mouse cells, scientists at the Harvard Stem Cell Institute have discovered the three transcription factors out of a possible 1,100 that may provide the key to unlocking the secret to growing replacement tissues—a longtime goal of regenerative medicine...
...That's because the feat was performed in living mice rather than a lab dish, the process was efficient and it was achieved directly without going through a middleman like embryonic stem cells, he said...
...Douglas Melton, co-director of the Harvard Stem Cell Institute and a researcher with the Howard Hughes Medical Institute, cautioned that the approach is not ready for people...
...Scientists have long hoped to find a way to reprogram a patient's cells to produce new ones. Research with stem cells, and similar entities called iPS cells that were announced last year, has aimed to achieve this in a two-step process...
...says, someday scientists may be able to replace dead nerve or heart cells in people by converting some neighboring cells. At the same time, he stressed that it's still important to study embryonic stem cells and iPS cells...