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In the early, online version of the Proceedings of the National Academy of Sciences, a University of California, Los Angeles-led team describe proteolytic enzymes secreted by circulating tumor cells (CTCs). Using a microfluidics-based approach, the researchers isolated cells from cancer cell lines and CTCs from seven individuals with metastatic, castration-resistant prostate cancer to quantify levels of metalloprotease enzyme activity.

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NPR says the explosion and fire earlier this week at a Russian lab that stores dangerous pathogens revives the question of whether such samples should be kept.

According to Wired, Nebula Genomics is providing a way for people to get their genomes sequenced anonymously.

A 26-year-old woman tells Cosmopolitan about learning her APOE status at a young age.

In Science journals this week: a functional genomic screen uncovers drug combination that increases KRAS inhibitor efficacy in aggressive lung cancer, and more.