Related Experiment Video
Updated: May 28, 2026
04:37
Comprehensive Analysis of Procoagulant Platelets Exhibiting Features of Necrosis, Apoptosis and Platelet Activation
Published on: May 23, 2025
Altered proteomic pattern in platelets of rats with sepsis
Jin-Yu Hu1, Chang-Lin Li, Ying-Wei Wang
1Department of Anesthesiology, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200092, China.
Blood Cells, Molecules & Diseases
|October 22, 2011
Summary
Sepsis significantly alters platelet protein patterns, impacting platelet function and potentially leading to dysfunction. This study used proteomics to identify key protein changes in sepsis-induced thrombocytopenia.
Area of Science:
- Proteomics
- Hematology
- Sepsis Research
Background:
- Sepsis commonly causes platelet dysfunction and thrombocytopenia.
- The precise molecular mechanisms underlying sepsis-induced platelet alterations remain unclear.
- Understanding changes in platelet protein profiles is crucial for deciphering sepsis pathophysiology.
Purpose of the Study:
- To investigate the alterations in the platelet proteome during sepsis.
- To identify specific proteins affected by sepsis and their functional implications.
Main Methods:
- Proteomic analysis of platelet samples from rats subjected to cecal ligation and puncture (CLP) sepsis model.
- Two-dimensional electrophoresis (2-DE) for protein separation.
- Mass spectrometry (MS) for identification of differentially expressed proteins.
Main Results:
- Significant changes in 20 protein spots at 12 hours and 6 protein spots at 24 hours post-CLP surgery.
- Identification of 12 proteins involved in platelet activation, acute phase response, cytoskeleton, and energy metabolism.
- Consistent increase in alpha-1-antitrypsin precursor (AAT) and ATP synthase beta subunit (ATPB) at both 12 and 24 hours.
Conclusions:
- Proteomic profiling reveals significant changes in platelet protein expression during sepsis.
- Identified proteins offer insights into the mechanisms of sepsis-induced platelet dysfunction.
- This study provides a foundation for understanding sepsis-related hematological complications.
