Word: proteins
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...discovery that could help bed-ridden patients get back on their feet faster, a research team led by a Harvard Medical School (HMS) professor has found that a protein once associated only with liver function also plays an important role in muscle formation...
Bruce M. Spiegelman, professor of cell biology at HMS, joined researchers at University of Texas-Southwestern in publishing a study in the Aug. 15 issue of Nature demonstrating that the protein PGC-1 can supply certain muscles with the mitochondria that power their contractions...
Easily fatigued type II muscle fibers, known as “fast-twitch” muscles, are fueled by the breakdown of sugar. When the protein is introduced to fatigued type II muscles, it supplies the fibers with the mitochondria they need to produce energy from oxygen...
...goal was to learn more about muscle fiber type switching and development,” Spiegelman said. “We knew that the protein was expressed in muscle, and we thought that its function had to do with metabolism...
...This discovery has made me more interested in the applications of this protein,” he said...