| Checkpoints keep
a growing nerve cell alive
As a nerve fiber
grows toward its destination, its survival depends on substances
secreted by targets along the way.
References:
Flanagan, J.G.
1999. Life on the road. Nature 401(Oct. 21):747.
Wang, H., and M.
Tessier-Lavigne. 1999. En passant neurotrophic action of an
intermediate axonal target in the developing mammalian CNS. Nature
401(Oct. 21):765.
Sources:
John G. Flanagan
Harvard Medical School
Department of Cell Biology
Program in Neuroscience
Boston, MA 02115
Marc
Tessier-Lavigne
University of California, San Francisco
Howard Hughes Medical Institute
Departments of Anatomy and Biochemistry & Biophysics
San Francisco, CA 94143-0452
Hao Wang
Merck Research Laboratories
Sumneytown Pike
P.O. Box 4
West Point, PA 19486
From Science
News, Vol. 156, No. 17, October 23, 1999, p. 263. Copyright © 1999,
Science Service. |