CRISPR Gene Editing Is Being Tested in Human Patients, and the Results Could Revolutionize Health Care

It’s only been seven years since scientists first learned how to precisely and reliably splice the human genome using a tool called CRISPR, making it possible to think about snipping out disease-causing mutations and actually cure, once and for all, genetic diseases ranging from sickle cell anemia to certain types of cancer and even blindness. Doctors are plunging ahead in search of ways to use the relatively new technology to start treating patients. In China last November, scientist Jiankui He stunned—and dismayed—the genetic community when he announced he had already used CRISPR, which many believe still hasn’t been proven either safe or effective in human patients, to permanently alter the genomes of twin girls to be immune to HIV infection. He’s experiment was criticized because he edited the twins’ cells when they were embryos, therefore ensuring that every one of their cells is now changed, including their reproductive ones, which means their edited genomes can be passed on to their children, despite the fact that experts can’t be sure what the long term effects of such lasting modifications might be. Editas Medicine and Allergan recently announced a more acceptable form of gene editing, one that would change genetic defects in cells that don’t get passed onto the next generation. They are enrolling patients born with a congenital vision disease into what will be the first test in the U.S. of whether CRISPR can fix a mut...
Source: TIME: Health - Category: Consumer Health News Authors: Tags: Uncategorized crispr Genetics Source Type: news

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Source: Journal of Hazardous Materials - Category: Environmental Health Source Type: research
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Source: Expert Review of Hematology - Category: Hematology Tags: Expert Rev Hematol Source Type: research
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Source: Expert Review of Hematology - Category: Hematology Tags: Expert Rev Hematol Source Type: research
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