'Liquid Biopsy' to Detect Cancer

Researchers
at University of Illinois have developed a method to detect cancer using a
small sample of blood or serum rather than the invasive tissue sampling
routinely used for diagnosis. They have developed a method to capture and count
cancer-associated microRNAs, or tiny bits of messenger molecules that are
excluded from cells and can be detected in blood or serum, with single-molecule
resolution. The results were published in the Proceedings of the National
Academy of Sciences.“Cancer cells contain gene mutations that enable them to
proliferate out of control and to evade the immune system, and some of those
mutations turn up in microRNAs,” said study leader Brian Cunningham, an
Illinois professor of electrical and computer engineering. Cunningham also directs
the Holonyak Micro and Nanotechnology Lab at Illinois.
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