Via Rochester Business Journal
By GINO FANELLI

Among all the medical sensors and diagnostic tools on the market, none have yet been able to beat nature in the sense of how cells react to their surroundings.

Cells themselves act as the body’s own diagnostics system, producing proteins or other compounds as a result of sickness or in response to outside stimuli. Ibuprofen, for example, stops cells from producing prostaglandins, a lipid compound that causes pain and swelling, while viruses responsible for the common cold steal the protein N-myristoyltransferase from infected cells. In the latter case, you can probably feel that little tickle in the back of your throat that indicates that process starting well before a traditional diagnosis could even show up.

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