Search results for "COUP Transcription Factors"

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Antagonistic feedback loops involving Rau and Sprouty in the Drosophila eye control neuronal and glial differentiation.

2013

During development, differentiation is often initiated by the activation of different receptor tyrosine kinases (RTKs), which results in the tightly regulated activation of cytoplasmic signaling cascades. In the differentiation of neurons and glia in the developing Drosophila eye, we found that the proper intensity of RTK signaling downstream of fibroblast growth factor receptor (FGFR) or epidermal growth factor receptor required two mutually antagonistic feedback loops. We identified a positive feedback loop mediated by the Ras association (RA) domain-containing protein Rau that sustained Ras activity and counteracted the negative feedback loop mediated by Sprouty. Rau has two RA domains t…

Receptors SteroidGTP'Blotting WesternIn situ hybridizationEyeBiochemistryReceptor tyrosine kinaseMicroscopy Electron TransmissionAnimalsDrosophila ProteinsEpidermal growth factor receptorReceptorMolecular BiologyTranscription factorIn Situ HybridizationFeedback PhysiologicalbiologyIntracellular Signaling Peptides and ProteinsMembrane ProteinsReceptor Protein-Tyrosine KinasesCell DifferentiationCell BiologyAnatomyPhenotypeImmunohistochemistryCell biologyProtein Structure TertiaryDNA-Binding ProteinsEnzyme ActivationCOUP Transcription FactorsGene Expression RegulationFibroblast growth factor receptorbiology.proteinDrosophilaNeurogliaProtein BindingSignal TransductionScience signaling
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