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This Week in PNAS

In PNAS this week, investigators in Germany and the UK show that translation of the proto-oncogene c-Myc is repressed by miR-24c following etoposide-induced DNA damage. "While miR-34c is induced by p53 following DNA damage, we show that in cells lacking p53 this is achieved by an alternative pathway which involves p38 MAPK signaling to MK2," they write, adding that their data reveal c-Myc as a major target of miR-34c.

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Researchers trace DNA on a clay pipe found at a former slave site to a population that lives in what is now Sierra Leone, the Washington Post reports.

Japan is to release rules governing some gene-edited food, according to NHK World.

Two researchers report on their genetic analysis of samples from a shawl thought to belong to a victim of Jack the Ripper, ScienceInsider reports.

In PLOS this week: computational strategy for improving gene set analysis testing, miRNAs linked to sleep apnea, and more.