Abstract:Morphogens of the Hh-family trigger gene expression changes of receiving cells in a concentration-dependent manner. The outputs of the pathway include regulation of cell identity, proliferation, death or metabolism, depending on the tissue or organ. This variety of responses relies on a conserved signaling pathway. Its internal logic includes a negative feedback loop involving the Hh receptor Ptc. In this paper, we use experiments and computational models to study and compare the different spatial signaling pr… Show more
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