Word: pathway
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...cell and passed along -- like batons in a high-speed relay -- through the interior, all the way to a master "on" switch positioned deep in the nucleus. Not surprisingly, many oncogenes, including one called ras, the first human cancer gene ever identified, are involved in this type of signaling pathway. But there are other molecules that determine whether the cell should heed these signals. And the small protein produced by MTS1 appears to be among the most important inhibitors of cell division. Last year researchers at New York's Cold Spring Harbor Laboratory discovered that a protein they called...
...dozen interviews on Friday, employees at four of the five hospitals who had heard of the discussions seemed to conceive of the talks as a pathway to a merger into a "mega-hospital." In fact, while increased cooperation is a likely outcome of the talks, those familiar with the discussions between the hospitals and with the Boston health care scene say the creation of a 3000 bed hospital is unlikely...
Even though the researchers have not yet isolated the gene, they suspect that it represents an entirely new pathway to peril. In the past, most genes linked to cancer, including a few linked to colon cancer, have been genes that play a role in regulating cell division, in some cases stopping cell growth when DNA is damaged. When such genes are themselves deranged, genetic errors can rapidly accumulate. But the newly discovered defect is not in a damage- control gene. Instead, it seems to be a direct agent of damage that somehow unleashes wave upon wave of DNA mutations over...
...dinosaurs. Yet along with the bones, the 150 million-year-old limestone in which it was trapped had also preserved the unmistakable impressions of feathers and wings. It was ultimately decided that Archaeopteryx, as it was named, was a transitional animal, related to dinosaurs but well along the evolutionary pathway to modern birds...
Alpert contributed $500,000 to the Medical School several years ago to launch a new curriculum, the New Pathway program, that is based on case study methods. In 1987, he endowed the Warren Alpert Foundation Prize, administered by the School and awarded annually to those biomedical researchers judged to have made significant progress toward curing diseases...