Word: breasted
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...team cloned the normal gene and systematically removed what were thought to be the gene's regulatory sequences. In their place were inserted regulatory sequences borrowed from a virus which would induce irregularities in breast epithelial cells and would lead to breast cancer...
Sure enough, after 300 days, Leder says, 50 percent of the mice had developed breast cancer...
Another important result, according to Leder, was that the tumor was only present in a certain part of the animal's breast...
...worth the risk. Critics add that no study has actually proved that catching prostate cancer early will save lives. Advocates of routine screening, on the other hand, point out that early detection has made a significant difference with other slow-growing malignancies, such as cervical and breast cancer. Says Dr. Thomas Stamey of Stanford University: "You've got to be irrational to think that picking up these cancers early is not going to help...
Last week's reports will doubtless add to the number of implant recipients contemplating liability suits. The potential costs are enormous: in one case last month, a 46-year-old New York woman was awarded $4.5 million after she claimed that polyurethane implants gave her breast cancer. The case is under appeal...