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- W2048847916 abstract "The integration of multiple signaling pathways is a key issue in several aspects of embryonic development. In this context, extracellular inhibitors of secreted growth factors play an important role, which is to antagonize specifically the activity of the corresponding signaling molecule. We provide evidence that the Hedgehog-interacting protein (Hip) from Xenopus, previously described as a Hedgehog-specific antagonist in the mouse, interferes with Wnt-8 and eFgf/Fgf-8 signaling pathways as well. To address the function of Hip during early embryonic development, we performed gain- and loss-of-function studies in the frog. Overexpression of Xhip or mHip1 resulted in a dramatic increase of retinal structures and larger olfactory placodes primarily at the expense of other brain tissues. Furthermore, loss of Xhip function resulted in a suppression of olfactory and lens placode formation. Therefore, the localized expression of Xhip may counteract certain overlapping signaling activities, which inhibit the induction of distinct sensory placodes." @default.
- W2048847916 created "2016-06-24" @default.
- W2048847916 creator A5015015768 @default.
- W2048847916 creator A5016720380 @default.
- W2048847916 creator A5090211317 @default.
- W2048847916 date "2005-01-01" @default.
- W2048847916 modified "2023-09-23" @default.
- W2048847916 title "Olfactory and lens placode formation is controlled by the hedgehog-interacting protein (Xhip) in Xenopus" @default.
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