"Scientists at Fred Hutchinson Cancer Research Center have discovered that microRNAs molecular workhorses that regulate gene expression (JMG: Who or what is directing genetic traffic lights? Genoanthropology holds RNA) are released by cancer cells and circulate in the blood, which gives them the potential to become a new class of biomarkers to detect cancer at its earliest stages....MicroRNAs, which act as brakes on different parts of a cell, keeping genes in check, have some advantages over protein-based early-detection systems, including that they can be detected potentially in smaller quantities and that the technology exists to rapidly develop microRNA-based early-detection tests"...
Excellent review at Lab Soft News. Pay attention to microRNA research this year.
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