The morphogen Sonic hedgehog inhibits its receptor Patched by a pincer grasp mechanism
نویسندگان
چکیده
منابع مشابه
Sonic hedgehog signaling by the Patched–Smoothened receptor complex
BACKGROUND The Hedgehog (Hh) family of secreted proteins is involved in a number of developmental processes as well as in cancer. Genetic and biochemical data suggest that the Sonic hedgehog (Shh) receptor is composed of at least two proteins: the tumor suppressor protein Patched (Ptc) and the seven-transmembrane protein Smoothened (Smo). RESULTS Using a biochemical assay for activation of th...
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Developmental pathways are networks of genes that act coordinately to establish the body plan. Disruptions of genes in one pathway can have effects in related pathways and may result in serious dysmorphogenesis or cancer. Environmental exposures can be associated with poor pregnancy outcomes, including dysmorphic offspring or children with a variety of diseases. An important goal of environment...
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The Hedgehog cell-cell signaling pathway is crucial for animal development, and its misregulation is implicated in numerous birth defects and cancers. In unstimulated cells, pathway activity is inhibited by the tumor suppressor membrane protein, Patched. Hedgehog signaling is triggered by the secreted Hedgehog ligand, which binds and inhibits Patched, thus setting in motion the downstream event...
متن کاملReceptor-mediated endocytosis of soluble and membrane-tethered Sonic hedgehog by Patched-1.
Patched (Ptc) is the ligand-binding component of the Hedgehog (Hh) receptor complex. In the Drosophila embryo, Ptc and Hh colocalize in vesicular punctate structures. However, receptor-mediated endocytosis of Hh proteins has not been demonstrated. By using chick neural plate explants, we show that Sonic hedgehog (Shh)-responsive neural precursor cells internalize recombinant and endogenous Shh ...
متن کاملA hedgehog-insensitive form of patched provides evidence for direct long-range morphogen activity of sonic hedgehog in the neural tube.
Cell pattern in the ventral neural tube is organized by Sonic hedgehog (Shh) secreted by floor plate cells. To assay the range of direct Shh action, we developed a general method for blocking transduction of Hedgehog (Hh) signals through ectopic expression of a deleted form of the Hh receptor Patched (Ptc), termed Ptc(Deltaloop2). We validated this method in Drosophila and used mouse Ptc1(Delta...
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ژورنال
عنوان ژورنال: Nature Chemical Biology
سال: 2019
ISSN: 1552-4450,1552-4469
DOI: 10.1038/s41589-019-0370-y