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Science 4 August 2006:
Vol. 313. no. 5787, p. 588
DOI: 10.1126/science.313.5787.588e
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This Week in Science

Figure 1 The axons that neurons extend elaborate a complex interconnected network. Similarly, the circulatory system is a complex interconnected network of vessels. Wilson et al. (p. 640, published online 29 June) now show that the blood vessels and axons respond similarly to netrins, which were originally identified as axonal guidance factors. The receptors that each tissue uses to read the netrin signals, however, are different, and netrins promote angiogenesis through unknown receptors. Netrins stimulated tissues suffering from diabetic or ischemic damage to grow new blood vessels by signaling endothelial cells to manage proliferation and migration.

CREDIT: WILSON ET AL.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)