Synonyms: negative regulation of hh signaling pathway involved in dorsal/ventral neural tube patterning down-regulation of hh signaling pathway involved in dorsal/ventral neural tube patterning negative regulation of smoothened signalling pathway involved in dorsal/ventral neural tube patterning down-regulation of smoothened signaling pathway involved in dorsal/ventral neural tube patterning down regulation of smoothened signaling pathway involved in dorsal/ventral neural tube patterning down-regulation of smoothened signalling pathway involved in dorsal/ventral neural tube patterning downregulation of smoothened signaling pathway involved in dorsal/ventral neural tube patterning down regulation of hh signaling pathway involved in dorsal/ventral neural tube patterning downregulation of hh signaling pathway involved in dorsal/ventral neural tube patterning downregulation of hedgehog signaling pathway involved in dorsal/ventral neural tube patterning down-regulation of hedgehog signaling pathway involved in dorsal/ventral neural tube patterning down regulation of smoothened signalling pathway involved in dorsal/ventral neural tube patterning negative regulation of hedgehog signaling pathway involved in dorsal/ventral neural tube patterning down regulation of hedgehog signaling pathway involved in dorsal/ventral neural tube patterning downregulation of smoothened signalling pathway involved in dorsal/ventral neural tube patterning