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The powerful gene-editing technique called CRISPR has been in the news a lot. And not all the news has been good: A Chinese scientist stunned the world last year when he announced he had used CRISPR to create genetically modified babies.

But scientists have long hoped CRISPR — a technology that allows scientists to make very precise modifications to DNA — could eventually help cure many diseases. And now scientists are taking tangible first steps to make that dream a reality.

For example, NPR has learned that a U.S. CRISPR study that had been approved for cancer at the University of Pennsylvania in Philadelphia has finally started. A university spokesman on Monday confirmed for the first time that two patients had been treated using CRISPR.

…continue reading ‘First US Patients Treated With CRISPR As Human Gene-Editing Trials Get Underway’

Image: By OpenStax College – Anatomy & Physiology, Connexions Web site. http://cnx.org/content/col11496/1.6/, Jun 19, 2013., CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=30148180

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