By Monica Heger

This article has been updated from a version posted April 14 to include outside comment.

Researchers at the Genome Center at Washington University have sequenced the primary tumor, a metastatic tumor, and a xenograft tumor from a patient with basal-like breast cancer to gain surprising insights into the nature of metastasis and xenograft tumors.

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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.