Defects in pathfinding by cranial neural crest cells in mice lacking the neuregulin receptor ErbB4

Mouse embryos with a loss-of-function mutation in the gene encoding the receptor tyrosine kinase ErbB4 exhibit misprojections of cranial sensory ganglion afferent axons. Here we analyse ErbB4-deficient mice, and find that morphological differences between wild-type and mutant cranial ganglia correla...

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