Word: potentionally
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Dates: during 1980-1989
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Interleukin-2 has shown promising results in treating advanced skin and kidney cancers. In fact, says Gutterman, there appears to be "tremendous synergy" between alpha interferon and IL-2 in attacking cancer cells. While IL-2 works to make the killer cells more potent, he explains, they "have to recognize something unique on the surface of the cancer cell in order to kill it." That something is an antigen, and interferon seems to make it more "visible" to the killer cells...
...vaccine against Hemophilus influenzae Type B, which causes bacterial meningitis, was only partially effective; although it protected older children, it did not work for babies under two years, who are most at risk. The antigen used to make the original vaccine has been re- engineered to make it more potent, and the new vaccine is being tested in infants...
...more than 30 years, doctors have been trying to rally the weakened immune systems of cancer patients to fight the disease. Only recently, however, have therapies been developed that bring some of the body's own most potent weapons to bear in the struggle to repel invaders ranging from cancer to the AIDS virus. Those weapons include antibodies, tumor-killing blood cells and the chemical messengers that regulate them...
Rosenberg is working on a new and potentially more powerful therapy called TILs, for tumor-infiltrating lymphocytes. In tests on mice, he notes, these cells appear "50 to 100 times more potent than LAK." TILs are actually killer T cells that, like LAK cells, can attack cancer cells. To produce them, researchers expose malignant cells removed from the patient to IL-2. The tissue includes killer T cells that have launched a weak attack; with a sharp boost from the IL-2, they replicate and proceed to destroy the cancer. A month later, the newly potent T cells, vastly increased...
...promised veto could give the Democrats a potent issue in the presidential election campaign because the trade gap, which hit a record $171.2 billion last year, has become the most serious threat to economic prosperity. The monthly trade deficit has declined from a peak of $17.6 billion in October, but recent figures have been going in the wrong direction. A report released last month showing that the deficit jumped from $12.4 billion in January to $13.8 billion in February sent the financial markets into a brief panic. Continued deterioration of the trade balance could lead to a further drop...