Overexpression of ptc1 inhibits induction of Shh target genes and prevents normal patterning in the neural tube.
Spatial regulation of a zebrafish patched homologue reflects the roles of sonic hedgehog and protein kinase A in neural tube and somite patterning.
Conservation in hedgehog signaling: induction of a chicken patched homolog by Sonic hedgehog in the developing limb.
Conservation of the hedgehog/patched signaling pathway from flies to mice: induction of a mouse patched gene by Hedgehog.