Wednesday, March 26, 2008
Spit, instead of blood or urine
For those of you who do not like the sight of your own blood or have a hard time manipulating the sample cup, this is good news:
U.S. researchers have identified all 1,116 unique proteins found in human saliva glands, a discovery they said on Tuesday could usher in a wave of convenient, spit-based diagnostic tests that could be done without the need for a single drop of blood.
As many as 20 percent of the proteins that are found in saliva are also found in blood, said Fred Hagan, a researcher at the University of Rochester Medical Center in New York who worked on the study.
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