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Happy New Year … and a Look Back at a Memorable 2015

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Four NIH-supported science breakthroughs for 2015A new year has arrived, and it’s going to be an amazing one for biomedical research. But before diving into our first “new science” post of 2016, let’s take a quick look back at 2015 and some of its remarkable accomplishments. A great place to reflect on “the year that was” is the journal Science’s annual Top 10 list of advances in all of scientific research worldwide. Four of 2015’s Top 10 featured developments directly benefited from NIH support—including Science’s “Breakthrough of the Year,” the CRISPR/Cas9 gene-editing technique. Here’s a little more on the NIH-assisted breakthroughs:

CRISPR Makes the Cut: I’ve highlighted CRISPR/Cas9 in several posts. This gene-editing system consists of a short segment of RNA that is attached to an enzyme. The RNA is preprogrammed to find a distinct short sequence of DNA and deliver the enzyme, which acts like a scalpel to slice the sequence out of the genome. It’s fast and pretty precise. Although CRISPR/Cas9 isn’t brand-new—it’s been under development as a gene-editing tool for a few years—Science considered 2015 to be “the year that it broke away from the pack.”