Word: offing
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Dates: during 1970-1970
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Last summer Temin and other molecular biologists produced strong experimental evidence that RNA viruses may indeed be capable of producing their own DNA (TIME, July 20). Columbia University's Sol Spiegelman confirmed it. He demonstrated how an enzyme, or natural chemical catalyst, can cause tumors in laboratory animals by...
By detecting the enzyme in human leukemia cells−something that has also been done by Spiegelman's team−the scientists may have discovered an important diagnostic tool. Testing for the presence of the enzyme may now help doctors to identify leukemia in its earliest stages. And early...
Gallo and other investigators are already searching. One likely candidate is an antibiotic called N-dimethylrifampicin. This chemical has already proved effective in the laboratory in inhibiting the activity of the suspect enzyme. In the future, such chemicals may be able to work their magic in man.
Sickle-cell anemia is a truly discriminating disease: 99% of its U.S. victims are black. The result of a genetic mutation that occurred in Africa centuries ago, it reduces susceptibility to malaria in the 8% to 10% of U.S. Negroes who carry it. But in those (about 1%) actually harmed...
Medicine still has no cure for this inherited illness. But a team of Michigan medical researchers has just announced a discovery that offers new relief for sickle-cell sufferers. By treating the patient with a solution of urea and invert sugar, say the researchers, the sickling tendency can be reversed...