That FDA has apparently been issuing more refusal to file decisions, particularly to big pharma, is "yet another possible indication that [the agency] is getting still tougher with its approval process," Pharmalot's Ed Silverman says. "Among big drug-makers receiving an RTF [refusal to file notice] in the last two years were Pfizer, Novartis, Roche and Merck, as well as Gilead Sciences, one of the largest biotechs," Silverman adds.

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The Jackson Laboratory has filed a complaint accusing Nanjing University of breeding and re-selling its mouse models, the Hartford Courant reports.

Oxford researchers are turning to virtual reality to visualize genes and regulatory elements, Phys.org says.

In Science this week: neutrophils rely on microRNA to protect against lung inflammation, and more.

China is moving forward with plans to sequence a million citizens, the Wall Street Journal reports.