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July 15, 2025

The Notch1 intracellular domain orchestrates mechanotransduction of fluid shear stress

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Authors

TSTania SinghKJKyle A. JacobsWPWilliam J. Polacheck

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Overview

Research reveals a novel mechanism for Notch1 activation in response to shear stress, highlighting its role in endocytosis and polarization.

Key Points

  • Core finding reveals a fluid shear stress-specific mechanism of Notch1 activation, distinct from traditional ligand interactions.
  • Shear stress triggers rapid polarization of Notch1 heterodimers into membrane microdomains without ligand redistribution.
  • Notch1 intracellular domain critically orchestrates receptor behavior, influencing endocytosis and proteolytic activation during shear stress.
  • This study enhances understanding of Notch receptor activation, showing the complex relationship between mechanotransduction and endothelial function.

Cite This Study

Singh et al. (2025) studied this question.

synapsesocial.com/papers/689a02b6e6551bb0af8cc49dhttps://doi.org/10.1101/2025.07.13.663563
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