Word: dna
(lookup in dictionary)
(lookup stats)
Dates: during 1990-1999
Sort By: most recent first
(reverse)
...discovery of the defect, a "genetic stutter" of three nucleotides, the basepairs which make up DNA, should make possible a quicker and more inexpensive test for the disease, and eventually a better understanding of the mechanism which kills brain cells in the approximately 25,000 U.S. Huntington's patients...
...scholarship focuses on the role of public defend- ers in society, and he has been concerned more with the practice of law than with legal theory. Ogletree also has considerable experience with the use of DNA fingerprinting for identification purposes in criminal trials...
...latest experiment at the NIH, Blaese administered a drug to one of his two original Ohio patients that coaxed some stem cells out of the bone marrow and into her bloodstream. Extracting blood, he painstakingly separated out the rare stem cells, inserted normal ADA genes into their DNA and injected the cells back into the girl's bloodstream, hoping that they would migrate back to the marrow and take up permanent residence...
...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 the course of a lifetime...
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...