A Diagnostic to Drool Over?
Dispelling stigma and building credibility for a little-used bodily fluid by harnessing its potential in cancer screening
Luke Turner | | Longer Read
At a Glance
- Liquid biopsy is a rapidly evolving field that commonly uses blood and urine as source material for diagnostic tools
- Despite the volume of saliva humans produce each day – 1 liter – the fluid isn’t currently used for the detection of circulating tumor DNA
- Saliva contains genetic material and proteins, and can be collected through noninvasive techniques
- David Wong, who has been working on “saliva-omics” for 12 years, hopes to curb negative social and cultural associations to advance saliva as a diagnostic fluid
New diagnostic methods continually arise – something that is driven by our determination to detect disease as early as possible, and thus give patients the best chance of successful treatment. Although liquid biopsy testing has primarily focused on blood, an innovative approach seeks to use an even less invasive bodily fluid – saliva.
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