Scientists are studying a set of cancer detection that can be completed within 10 minutes only through the saliva. Ethnic Chinese David Wong, Oncology Professor from University of California, said that this detection can detect when the tumor DNA is circulating in body fluids, also known as "liquid biopsy." The degree of precision of saliva test is up to 100% and the operation is also very simple. Not only pharmacists and dentists but also individuals can operate it at home.
Currently, scientists can only detect cancer by a blood test on condition that you have accepted a tumor biopsy and sequenced thus getting the genetic characteristics of the track. However, although this approach can detect the spread of cancer, it cannot be used as the initial test, and it may show false-positive results.
Professor David Wong's tests showed that a drop of saliva can provide enough data to give a precise diagnosis as soon as possible. Moreover, it is advantageous not only because of its noninvasion, but also because that it only cost £ 15.
This test later this year will be applied to clinical trials among patients with lung cancer, and is expected to receive approval of US Food and Drug Administration within two years. Professor David Wong believes it can be applied to detect other types of cancer such as oral cancer. He said on the American Association for the Advancement of Science annual meeting in Washington that if a patient signs circulating tumor blood or saliva exists, we can find it through this test. It just needs a little saliva and can be completed within 10 minutes."
He also said: "The early detection of cancer is quite crucial. It should be better to be detected as early as possible. With this deadly cancer test, the patient may manage it on their own at home or at the dentist office and pharmacy."
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