This Week in Science

In this week's Science Signaling, a Vanderbilt University-led team publishes a study demonstrating how epigenetics can influence neuronal excitability, which is known to be dysregulated in many brain disorders. By studying rat cortical neurons in vitro, the researchers found that dynamic DNA methylation helps set the threshold for the responsiveness of the neuronal membrane. By blocking an enzyme that triggers DNA methylation, they were able to make neurons more responsive.

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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.