MicroRNAs linked to cancer can be detected in patients' blood, suggesting that they can be used as biomarkers. However, researchers still have much to learn about such circulating miRNAs before they can be used in the clinic.
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Ciara Curtin is GenomeWeb's science features editor as well as the editor of the Daily Scan and Careers blogs. E-mail Ciara Curtin and follow @DailyScan, and @CareersGW on Twitter.