Pathway Genomics, a company known for pushing the boundaries of direct-to-consumer genetic testing, on Thursday will launch a cancer screening test designed to detect bits of cancer DNA in the blood of otherwise healthy people.
The test represents a first in the rapidly developing field of “liquid biopsies,” which use gene sequencing technology to screen blood samples for trace amounts of DNA associated with different cancers.
Several cancer diagnostic companies have been working on the tests, a field that has recently been joined by makers of DNA blood screening tests for fetal abnormalities after the tests detected early cancers in expectant mothers.
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