ER/PgR

With targeted gene sequencing data from a large set of archived tumor samples, researchers identified somatic mutations coinciding with better or worse overall survival.

CAP and ASCO issued new guidelines to improve accuracy of immunohistochemistry-based ER and PgR testing in breast cancer. The groups estimate that between 10 percent and 20 percent of IHC test results throughout the world may be inaccurate, yielding false-positive or false-negative results.

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.