Track Assay (IMAGE)
Caption
When immature neurons are placed on a microscopic running track, where flanking lanes are carpeted with repellant factors, their growing axons remain in their lanes (top). Neurons from mice lacking p75 are unreceptive to repulsive cues: when placed on the track, their axons meander all over the field, crossing lanes and running down repellant-covered stripes (bottom).
Credit
Courtesy of Dr. Yoo-Shick Lim, Salk Institute for Biological Studies
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License
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