News of the WeekDevelopmental Biology

Nerves Tell Arteries to Make Like a Tree

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Science  21 Jun 2002:
Vol. 296, Issue 5576, pp. 2121-2123
DOI: 10.1126/science.296.5576.2121a

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Summary

How arteries shape themselves into the fine patterns that ensure that no bit of tissue goes wanting for oxygen and nutrients has been an open question. Now a study in the 14 June issue of Cell shows that arteries follow the lead of another of the body's branching specialists: nerves. The report also identifies a molecule released by the nerves that apparently signals the arteries to fall in step.

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