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December 8, 2025BloodOpen Access

Enhancing hemostasis in glanzmann thrombasthenia via protein S inhibition

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Authors

MFMathieu FioreLSLéonard Julien Simon Schacher

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Overview

Experimental findings demonstrate that protein S inhibition improves hemostasis and thrombin generation in glanzmann thrombasthenia, suggesting a new therapeutic approach.

Key Points

  • Protein S inhibition significantly enhances thrombin generation, reducing splenomegaly in glanzmann thrombasthenia mice, and preventing bleeding during necropsy.
  • Endogenous thrombin potential increased notably, with treated mice showing 774 nM compared to 438 nM in controls, indicating ~50% silencing effect.
  • A thorough analysis using thrombin generation assays and clot retraction measurements demonstrated improved clot function with PS-inhibition alongside abciximab.
  • The research suggests potential for novel therapeutic strategies targeting protein S to aid hemostatic disorders like glanzmann thrombasthenia.

Cite This Study

Fiore et al. (2025) studied this question.

synapsesocial.com/papers/69362f694fa91c937236df30https://doi.org/10.1182/blood-2025-3025
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