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Cancer
Bursts of waves drive immune system 'soldiers' toward invaders
August 27th, 2007
Scientists have discovered that torrents of microscopic waves propel white blood cells toward invading microbes. The discovery - recorded on videotape -- holds the potential for better understanding and treatment of cancer and heart disease. Visible only under a very high-resolution light microscope, the dynamic waves are made of a signaling protein that directs cell movement. This protein and a second key player were already known to trigger cells to move, but their interaction to generate the self-sustaining waves has now been revealed. "Seeing the wavelike dynamics of this protein, Hem-1, for the first time was easily the most instantly thrilling...
Source: Health & Medicine Week (2007-08-27)
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