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Updated: Jan 15, 2026
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Comprehensive Analysis of Procoagulant Platelets Exhibiting Features of Necrosis, Apoptosis and Platelet Activation
Published on: May 23, 2025
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STK10 regulates platelet function in arterial thrombosis and thromboinflammation
Yingying Li1,2, Hui Zhu1,2, Yun Liu3
1Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China.
Blood
|October 7, 2025
Summary
Serine/threonine kinase 10 (STK10) plays a key role in platelet function, affecting aggregation, adhesion, and thrombosis. This study reveals STK10
Area of Science:
- Biochemistry
- Molecular Biology
- Hematology
Background:
- Serine/threonine kinase 10 (STK10) is a Ste20 family kinase.
- STK10 regulates lymphocyte adhesion, but its role in platelet function is unclear.
- Increased STK10 phosphorylation is observed in activated platelets.
Purpose of the Study:
- Investigate the expression and function of STK10 in platelet biology.
- Determine STK10's role in hemostasis, arterial thrombosis, and thromboinflammation.
- Identify STK10's molecular targets and regulatory pathways in platelets.
Main Methods:
- Generated megakaryocyte/platelet-specific STK10 knockout mice.
- Assessed platelet function assays, including aggregation, granule release, and activation.
- Utilized quantitative phosphoproteomics and immunoprecipitation-mass spectrometry.
- Performed in vitro kinase assays to confirm STK10-ILK interaction and phosphorylation.
Main Results:
- STK10 is expressed in human and mouse platelets.
- STK10 deletion impaired hemostasis, arterial thrombosis, and various platelet functions.
- STK10 directly phosphorylates integrin-linked protein kinase (ILK) at Ser343.
- STK10 deficiency reduced platelet-neutrophil interactions and improved sepsis survival.
- Activated STK10 and ILK levels were elevated in sepsis models.
Conclusions:
- STK10 is a critical regulator of platelet function, arterial thrombosis, and thromboinflammation.
- STK10 directly phosphorylates ILK, impacting downstream signaling.
- STK10 represents a potential therapeutic target for thrombotic and cardiovascular diseases.
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