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April 28, 2026Microcirculation

Tau Oligomers Induce Brain Endothelial Cell Hyperpermeability and Increase NLRP3 Inflammasome Signaling and MMP‐9 Activity

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Authors

GSGabriela SeplovichSMSaravanakumar MuthusamyAAAliyah Anderson

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Overview

Randomized trial demonstrates increased endothelial cell permeability in tauopathies, suggesting therapeutic approaches for barrier integrity.

Key Points

  • The study investigates the role of NLRP3 inflammasome signaling in brain endothelial cells when exposed to tau oligomers.
  • Assessed the impact of tau oligomers on endothelial cell permeability and inflammasome activity.
  • Measured NLRP3 inflammasome signaling and MMP-9 activity following tau oligomer exposure.
  • Exposure to tau oligomers significantly increased endothelial cell hyperpermeability.
  • NLRP3 inflammasome activation was documented as a pivotal response in cerebral endothelial cells.
  • MMP-9 activity was notably elevated, indicating a potential pathway for tauopathies' impact on blood-brain barrier integrity.

Cite This Study

Seplovich et al. (2026) studied this question.

synapsesocial.com/papers/69f04e9b727298f751e727c1https://doi.org/10.1111/micc.70059
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