Word: viral
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
...toughest tricks is getting genes into the right spot in the body. Up to now, researchers have generally used benign viruses to carry the genetic material DNA into cells, but there are fears that the seemingly nonthreatening transport vehicles could sometimes cause viral infections. Last week scientists at the University of Michigan and the University of Pittsburgh reported in Proceedings of the National Academy of Sciences that they had succeeded in injecting DNA directly into human cells. Instead of riding a virus, the DNA was encased in liposomes, harmless little bubbles...
...platform, Symantec's "Anti-Virus for the Mac" (commonly known as SAM) provides powerful defense against viruses. For the PC, the "Norton Anti-Virus," also from Symantec, has won my respect by rescuing my computer from a viral infection a year...
...fuss began when it was discovered in 1985 that the strain of HIV Gallo presented to the world the year before was virtually identical to a strain isolated by Montagnier in 1983. Since Gallo's lab and the Pasteur Institute cooperated regularly and swapped viral cultures, suspicion arose that Gallo had appropriated the French virus as his own. Gallo acknowledged that the two viruses were the same and that Montagnier had found it first. But Gallo maintained that his lab had independently isolated it from patients' blood samples, not stolen it out of one of Montagnier's samples. Furthermore, % Gallo...
Such weakened, or attenuated, viruses, can be used as live viral vaccines which grow in the host, stimulate immunity, but don't cause the disease, says Fields...
Some of the newest techniques actually require no virus, either dead or alive, at all. Scientists simply take advantage of the antigens themselves, injected free of their dangerous viral carriers, to provoke an immune response. When a given antigen shows up again, this time on a virus, it's as if the immune system has already seen the whole virus...