Researchers at the Whitehead Institute for Biomedical Research have developed a method for producing breast cancer “stem cells” that can be used to generate a much larger number of tumor cells for research uses than previous approaches.
 
The method offers “a bountiful source” of cancer cells, according to Robert Weinberg, a professor of biology at MIT who led the research team that developed the procedure. “Labs can easily grow the newly created cells for use in experiments.”
 

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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.

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

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

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