This Week in Science

In Science this week, researchers from the Université de Montréal report on their study of the role of the Hedgehog pathway in the function of the blood-brain barrier. They found that astrocytes secrete Sonic hedgehog and that the endothelial cells of the blood-brain barrier express Hedgehog receptors.

To read the full story....

Register for Free.

...and receive Daily News bulletins.

Already have an account?
Login Now.

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.