Word: icame
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...years to evolve different ways of infecting the cells that line the nasal passages. (The "rhino" of rhinoviruses comes from the Greek word for nose.) But it turns out that almost all the rhinoviruses use the same molecular doorway on the surface of the cell, a protein called ICAM-1, to gain entry to the upper-respiratory tract. Doctors have suspected since the late 1980s that if they could somehow flood the nose with decoy ICAM-1 molecules, they might be able to keep the rhinoviruses from attaching to the real thing...
...wasn't until the development of genetic engineering, however, that researchers were able to build synthetic ICAM-1 convincing enough to act as a decoy. With that in hand, Dr. Turner and his team recruited 177 volunteers who were willing to catch a cold for science. Half the volunteers (the experimental group) were sprayed with the BIRR 4 solution. The others (the control group) were given a simple saline spray. All the volunteers were deliberately infected by placing droplets of active rhinoviruses in their nasal passages...
...half of all colds. Now scientists may have the key to warding off the sniffles. Reporting in the journal Cell last week, two separate research teams announced the discovery of a cell molecule to which rhinoviruses attach themselves. When the cold viruses bind to the molecule, known as the ICAM-1 receptor, they infect the cell...
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