Word: detectible
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...families, one in North America and the other in New Zealand. In both cases, half of all adult family members had developed the disease. By comparing the DNA of the 40-odd family members who had tumors with the DNA of those who did not, the researchers hoped to detect a particular stretch of genes that could be linked to the disease. Such a unique pattern, called a genetic marker, would be a major step toward identifying the specific culprit gene. After discarding 344 potential markers, the scientists finally found one that fit the bill...
Eventually, even people who have no family history of colon cancer could benefit from the current findings. Once all the genes whose damage can lead to intestinal tumors have been discovered, researchers may be able to detect such dangerous changes whenever they occur. "DNA testing as we know it now is not cost efficient," says Dr. Funmi Olopade, professor of oncology at the University of Chicago. "But the way technology is moving, 10 years from now this will no longer be such an exorbitant test to perform...
Troyan said that the best means by which to detect a growth is by the mammogram, a process which accurately identifies 85 to 90 percent of tumors, coupled with a self exam...
...culprit, test results show, is a tiny parasite with a big name: cryptosporidium. The oocysts (parasite versions of eggs) of this pesky protozoan can be removed only through filtration. Unlike bacteria, they are not readily killed by chlorine. Furthermore, the tests that water-purification plants routinely rely on to detect biological contaminants do not pick up the presence of cryptosporidium. What makes the parasite especially nasty, explains microbiologist Dean Cliver of the University of Wisconsin, Madison, is that the oocysts do not hatch in water -- in this case Lake Michigan water -- but remain dormant until they are swallowed by some...
...gunned down outside an abortion clinic in Florida, B.J. Isaacson-Jones was shaken -- but not surprised. At the St. Louis, Missouri, clinic where she is president, staff members always vary their routes home from work. Mail is opened only by employees trained by a bomb and arson squad to detect suspicious envelopes or packages. "Those of us providing abortion services feel very vulnerable," she says. Even more so since December 1991, when a man in a ski mask opened fire with a sawed-off shotgun at a clinic in Springfield, Missouri. Two people were wounded, including the clinic's office...