This Week in PNAS | GenomeWeb

This Week in PNAS

In the PNAS Early Edition this week, Sunny Wong and Jeremy Reiter show that wounding recruits stem cells from the hair-follicle bulge and secondary hair germ to the injury site and that the downstream Hedgehog "signal transduction is de-repressed, giving rise to superficial BCC [basal cell carcinoma]-like tumors," which serves to explain, in part, the documented relationship between wounding and tumorigenesis.

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An opinion piece in the New York Times urges lawmakers to keep genetic protections in place.

Research funding in Canada is to remain mostly the same, ScienceInsider reports.

In Science this week: random DNA replication errors play role in cancer, and more.

The Bill and Melinda Gates Foundation embarks on an open-access publishing path.