This Week in Nature

In early online publication, Josh Mendell led work that looks into the mechanism behind altered glucose metabolism in cancer cells. Using a blend of proteomics and RNAi, he shows that the c-Myc transcription factor shuts down expression of miR-23a and miR-23b in several cancer cell types, resulting in increased mitochondrial glutaminase and up-regulation of glutamine catabolism.

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The UK's Human Fertility and Embryology Authority calls for consumer genetic testing companies to warn customers that testing could uncover family secrets, according to the Guardian.

The New York Times reports that United Nations delegates have been discussing how to govern the genetic resources of the deep sea.

Researchers have transplanted edited cells into mice that appear to combat cocaine addiction, New Scientist reports.

In PNAS this week: analysis of proteolytic enzymes secreted by circulating tumor cells, phylogenetic study of Fv1 evolution, and more.