A simple test of proteins in saliva may one day help doctors detect mouth cancer, according to a study as part of the Human Saliva Proteome Project, funded by the US National Institute of Dental and Craniofacial Research. Researchers collected saliva from 64 people with oral squamous cell carcinoma (a type of mouth cancer) and 64 healthy people.
Using five proteins in saliva as biomarkers, the scientists could confirm cancer in 93% of cases.
The test isn't available yet, but scientists are developing a "microfluidic" device to detect these markers in saliva. It could lead to an easy, painless way to diagnose mouth cancer using saliva proteins.
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