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Τρίτη 4 Απριλίου 2017

Sensing relative signal in the Tgf-{beta}/Smad pathway [Systems Biology]

How signaling pathways function reliably despite cellular variation remains a question in many systems. In the transforming growth factor-β (Tgf-β) pathway, exposure to ligand stimulates nuclear localization of Smad proteins, which then regulate target gene expression. Examining Smad3 dynamics in live reporter cells, we found evidence for fold-change detection. Although...

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