Reduced plasma levels of Copine 5 correlate with sepsis-induced vascular leakage and mortality in human patients and a murine sepsis model - Summary - MDSpire

Reduced plasma levels of Copine 5 correlate with sepsis-induced vascular leakage and mortality in human patients and a murine sepsis model

  • By

  • Mingliang Pan

  • Zhixin Li

  • Xiaohong Wang

  • Tianyuan Yang

  • Jingqi Li

  • Wei Huang

  • Hongkuan Fan

  • Nebahat Ece Kesten

  • Tianqing Peng

  • Liying Zhan

  • Guo-Chang Fan

  • November 19, 2025

  • 0 min

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Objective:

To investigate the role of Copine 5 (CPNE5) in sepsis and its potential as a prognostic biomarker for vascular leakage and mortality, with implications for patient management.

Key Findings:
  • CPNE5 is predominantly expressed in aortic endothelial cells, highlighting its potential role in vascular integrity.
  • Lower plasma concentrations of CPNE5 correlate with increased vascular leakage in sepsis patients, suggesting its role in disease progression.
  • Reduced CPNE5 levels are associated with higher mortality rates in sepsis, indicating its potential as a prognostic marker.
Interpretation:

The findings suggest that CPNE5 may serve as a novel prognostic biomarker for sepsis, indicating vascular integrity and patient outcomes, which could inform clinical decision-making.

Limitations:
  • The study primarily focuses on a single biomarker (CPNE5) without extensive validation across diverse patient populations, necessitating further research.
  • Further research is needed to fully elucidate the mechanisms by which CPNE5 influences vascular permeability and its interactions with other biomarkers.
Conclusion:

CPNE5 shows promise as a prognostic indicator for sepsis severity and mortality, warranting further investigation into its role in endothelial barrier function and its potential impact on clinical outcomes.

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