Alva Review-Courier -

AP Medical Writer 

Scientists working toward reversible kind of gene editing


October 26, 2017

WASHINGTON (AP) — Scientists are altering a powerful gene-editing technology in hopes of one day fighting diseases without making permanent changes to people's DNA.

The trick: Edit RNA instead, the messenger that carries a gene's instructions.

"If you edit RNA, you can have a reversible therapy," important in case of side effects, said Feng Zhang of the Broad Institute of MIT and Harvard, a gene-editing pioneer whose team reported the new twist Wednesday in the journal Science.

A genome editing technique called CRISPR has revolutionized scientific research. It's a biological cut-and-paste...

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