Word: progenitor
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...grants awarded, five involved embryonic stem cell research. Other recipients use adult stem cells or partially differentiated progenitor cells...
...experiment involved only tissue-specific stem cells—in this case, neural progenitor cells—which cannot become any kind of cell other than that of their source tissue. The controversial embryonic stem cells, which can potentially change into any kind of cell, were not part of the experiment...
...There is no evidence presented as to whether the neural progenitor cells represent a single type of cell or are, instead, a population of several different progenitor pools,” Melton wrote in an e-mail...
...mainly international talent. The most impressive bill belongs to the inaugural Rock Odyssey (www.udo.co.jp/odyssey). Held simultaneously from July 24-25 at the Yokohama Arena and Osaka Dome, the show features Aerosmith, the Who, Red Hot Chili Peppers and Lenny Kravitz. Following hot on its heels is the progenitor of Japan's alternative-music festival scene, the Fuji Rock Festival (fujirockfestival.com), from July 30-Aug. 1. This year, it will showcase nearly a hundred acts, among them Lou Reed, the Pixies, the White Stripes, Courtney Love and Franz Ferdinand. Pitched at a slightly younger audience is the two-day Summer...
...pulp was still attached. That gave him an idea, and the next time she lost a tooth, he placed it in a liquid used to culture cells. Back at the lab, he extracted the pulp and found that it contained a number of stem cells, those special progenitor cells that can be used to replenish various types of tissue. (He also gave Julia back her tooth...