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Article

Smoothened mutants reveal redundant roles for Shh and Ihh signaling including regulation of L/R symmetry by the mouse node.

Cell - 27 Jul 2001

Zhang X M, Ramalho-Santos M, McMahon A P

Abstract excerpt

Genetic analyses in Drosophila have demonstrated that the multipass membrane protein Smoothened (Smo) is essential for all Hedgehog signaling. We show that Smo acts epistatic to Ptc1 to mediate Shh and Ihh signaling in the early mouse embryo. Smo and Shh/Ihh compound mutants have identical phenotypes: embryos fail to turn, arresting at somite stages with a small, linear heart tube, an open gut and cyclopia. The...

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PMID: 11517919

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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