The study, the second major clinical validation of the test, was published in the same week that Cepheid reported strong first-quarter results and several financial analysts raised their earnings estimates for the company.
Findings in a NEJM study this week challenged previously reported data that alleles in the CYP2C19 gene can limit how certain carriers of the polymorphisms respond to Plavix.
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.