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- W2260631759 abstract "Neurogenesis is regulated by the dynamic and coordinated activity of several extracellular signalling pathways, but the basis for crosstalk between these pathways remains poorly understood. Here we investigated regulatory interactions between two pathways that are each required for neural progenitor cell maintenance in the postnatal retina; Hedgehog (Hh) and Notch signalling. Both pathways are activated in progenitor cells in the postnatal retina based on the co-expression of fluorescent pathway reporter transgenes at the single cell level. Disrupting Notch signalling, genetically or pharmacologically, induces a rapid downregulation of all three Gli proteins and inhibits Hh-induced proliferation. Ectopic Notch activation, while not sufficient to promote Hh signalling or proliferation, increases Gli2 protein. We show that Notch regulation of Gli2 in Müller glia renders these cells competent to proliferate in response to Hh. These data suggest that Notch signalling converges on Gli2 to prime postnatal retinal progenitor cells and Müller glia to proliferate in response to Hh." @default.
- W2260631759 created "2016-06-24" @default.
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- W2260631759 date "2016-03-01" @default.
- W2260631759 modified "2023-09-27" @default.
- W2260631759 title "A Notch-Gli2 axis sustains Hedgehog responsiveness of neural progenitors and Müller glia" @default.
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- W2260631759 doi "https://doi.org/10.1016/j.ydbio.2016.01.006" @default.
- W2260631759 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/26795056" @default.
- W2260631759 hasPublicationYear "2016" @default.
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