If you build it, leukocytes will come (in)
نویسنده
چکیده
tight junctions between endothelial cells that prevents paracellular fl ow of materials. Because Wnt/ -catenin signaling is a major pathway regulating other aspects of brain development, the authors examined its potential involvement in constructing the BBB. In brain endothelial cells, Wnt signaling was active during the time of maximum vascular development, but not after the BBB matured. Activation of the Wnt signaling pathway in vivo and in vitro promoted BBB development, and inactivation prevented it. In vitro, increasing Wnt signaling also strengthened junctions between non-brain endothelial cells. This suggests that Wnt signaling might be tweaked to mend the BBBs in patients where it has failed—such as in stroke—or to temporarily open the BBB to deliver drugs that would normally be shut out. Liebner, S., et al. 2008. J. Cell Biol. doi:10.1083/jcb.200806024.
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عنوان ژورنال:
- The Journal of Cell Biology
دوره 183 شماره
صفحات -
تاریخ انتشار 2008