If Athletes Edit Their Own DNA, How Can We Detect It?

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The development of in vivo gene editing opened new possibilities for athletes to improve their performance in competitions. To counteract this, a team of German scientists have devised a method to detect gene editing: testing for the presence of Cas9, a bacterial protein used in genetic modification, in plasma. Currently though, odds are that you wouldn’t get caught; the scientists were only able to detct Cas9 up to to 8 hours after gene editing.
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