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• W2076754613 endingPage "e95744" @default.
• W2076754613 startingPage "e95744" @default.
• W2076754613 abstract "Notch signaling is involved in cell fate choices during the embryonic development of Metazoa. Commonly, Notch signaling arises from the binding of the Notch receptor to its ligands in adjacent cells driving cell-to-cell communication. Yet, cell-autonomous control of Notch signaling through both ligand-dependent and ligand-independent mechanisms is known to occur as well. Examples include Notch signaling arising in the absence of ligand binding, and cis-inhibition of Notch signaling by titration of the Notch receptor upon binding to its ligands within a single cell. Increasing experimental evidences support that the binding of the Notch receptor with its ligands within a cell (cis-interactions) can also trigger a cell-autonomous Notch signal (cis-signaling), whose potential effects on cell fate decisions and patterning remain poorly understood. To address this question, herein we mathematically and computationally investigate the cell states arising from the combination of cis-signaling with additional Notch signaling sources, which are either cell-autonomous or involve cell-to-cell communication. Our study shows that cis-signaling can switch from driving cis-activation to effectively perform cis-inhibition and identifies under which conditions this switch occurs. This switch relies on the competition between Notch signaling sources, which share the same receptor but differ in their signaling efficiency. We propose that the role of cis-interactions and their signaling on fine-grained patterning and cell fate decisions is dependent on whether they drive cis-inhibition or cis-activation, which could be controlled during development. Specifically, cis-inhibition and not cis-activation facilitates patterning and enriches it by modulating the ratio of cells in the high-ligand expression state, by enabling additional periodic patterns like stripes and by allowing localized patterning highly sensitive to the precursor state and cell-autonomous bistability. Our study exemplifies the complexity of regulations when multiple signaling sources share the same receptor and provides the tools for their characterization." @default.
• W2076754613 created "2016-06-24" @default.
• W2076754613 creator A5015672525 @default.
• W2076754613 creator A5033551106 @default.
• W2076754613 date "2014-04-29" @default.
• W2076754613 modified "2023-10-16" @default.
• W2076754613 title "Competition in Notch Signaling with Cis Enriches Cell Fate Decisions" @default.
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• W2076754613 doi "https://doi.org/10.1371/journal.pone.0095744" @default.
• W2076754613 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/4004554" @default.

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