It is not. As a simplified analogy, the title is saying "we identified this lock on the cells", while actually the "lock" has been known for a long time and wh

It is not. As a simplified analogy, the title is saying "we identified this lock on the cells", while actually the "lock" has been known for a long time and what they identified was a possible "key" that might fit, but they haven't actually done it yet.