This Week in PNAS

In the Proceedings of the National Academy of Sciences this week, Graham Lord at King's College London has led a study that checked into the genetic factors behind the differentiation of CD4+ T helper cells. In searching for target genes of the transcription factors T-bet and GATA-3, which direct the differentiation of Th cells into Th1 and Th2 cells, they created a genomic map of T-bet and GATA-3 binding in primary human T cells.

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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.