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Liquid biopsies can detect cancer signs from a blood sample, without the need for invasive procedures. But further work is needed before they can become reliable diagnostic tools. A lung biopsy is an invasive and uncomfortable procedure — especially for an 80-year-old grandmother. But by profiling his elderly patient's tumours in this way, lung oncologist(More)
Scientists are uncovering the hidden switches in our genome that dial gene expression up and down, but much work lies ahead to peel back the many layers of regulation. F ifteen years ago, scientists celebrated the first draft of the sequenced human genome. At the time, they predicted that humans had between 25,000 and 40,000 genes that code for proteins.(More)