This Week in PLoS

In PLoS One this week, investigators at McGill University report their use of exon-level transcriptome profiling in murine breast cancer, which revealed "splicing changes specific to tumors with different metastatic abilities." Specifically, in their statistical analysis the team found "significant expression changes in four percent of exons and one percent of intronic regions, affecting 2,263 out of 16,654 genes.

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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.