Gene therapy has helped an increasing number of people with different genetic conditions, writes NPR's Shots blog.

It notes that the approach has been used to treat patients with spinal muscular atrophy and Leber's congenital amaurosis. "It's a very exciting time for the field," Carrie Wolinetz, associate director for science policy at the National Institutes of Health, tells NPR.

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Senator Elizabeth Warren (D-Mass.) has released the results of a genetic ancestry analysis, the Boston Globe reports.

Retraction Watch's Ivan Oransky and Adam Marcus report that Harvard Medical School and Brigham and Women's Hospital have recommended that more than 30 papers from a former researcher be retracted.

Thomas Steitz, who won the 2009 chemistry Nobel Prize for his ribosome work, has died, the Washington Post reports.

In PLOS this week: mechanisms for genes implicated in coronary artery disease, rumen microbes and host genetics influence cow methane production, and more.