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Cooperative and independent functions of FGF and Wnt signaling during early inner ear development.

BMC developmental biology | 2015

In multiple vertebrate organisms, including chick, Xenopus, and zebrafish, Fibroblast Growth Factor (FGF) and Wnt signaling cooperate during formation of the otic placode. However, in the mouse, although FGF signaling induces Wnt8a expression during induction of the otic placode, it is unclear whether these two signaling pathways functionally cooperate. Sprouty (Spry) genes encode intracellular antagonists of receptor tyrosine kinase signaling, including FGF signaling. We previously demonstrated that the Sprouty1 (Spry1) and Sprouty2 (Spry2) genes antagonize FGF signaling during induction of the otic placode. Here, we investigate cross talk between FGF/SPRY and Wnt signaling during otic placode induction and assess whether these two signaling pathways functionally cooperate during early inner ear development in the mouse.

Pubmed ID: 26443994 RIS Download

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Associated grants

  • Agency: NIDCD NIH HHS, United States
    Id: R01 DC010387
  • Agency: NIDCD NIH HHS, United States
    Id: DC010387

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Jackson Laboratory (tool)

RRID:SCR_004633

An independent, nonprofit organization focused on mammalian genetics research to advance human health. Their mission is to discover the genetic basis for preventing, treating, and curing human disease, and to enable research for the global biomedical community. Jackson Laboratory breeds and manages colonies of mice as resources for other research institutions and laboratories, along with providing software and techniques. Jackson Lab also conducts genetic research and provides educational material for various educational levels.

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Mus musculus with name Crl:CD1(ICR) from IMSR.

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laboratory mouse with name STOCK Tg(ACTA1-cre)79Jme/J from MGI.

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