A variant in the sonic hedgehog regulatory sequence (ZRS) is associated with triphalangeal thumb and deregulates expression in the developing limb-3

Elimb and hindlimb. () Close up of the forelimb shows weak ectopic anterior staining (arrow).<p><b>Copyright information:</b></p><p>Taken from "A variant in the sonic hedgehog regulatory sequence (ZRS) is associated with triphalangeal thumb and deregulates expression in the developing limb"</p><p></p><p>Human Molecular Genetics 2008;17(16):2417-2423.</p><p>Published online 7 May 2008</p><p>PMCID:PMC2486440.</p><p>© 2008 The Author(s).</p