Related Experiment Video
Updated: Jun 12, 2025
04:34
Mouse Complete Stasis Model of Inferior Vena Cava Thrombosis
Published on: June 15, 2011
18.2K
Inflammatory cytokines and venous thrombosis bidirectional causal correlations: A Mendelian randomization study
Heran Zhou1, Keke Hu2, Zhifeng Ye1
1Department of Oncology, Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China.
Medicine
|May 29, 2025
Summary
Inflammation plays a role in venous thromboembolism (VTE). Specific inflammatory markers like granulocyte colony stimulating factor and interleukin-2 increase pulmonary embolism risk, while Eotaxin increases deep vein thrombosis risk.
Area of Science:
- Biomedical Science
- Genetics
- Epidemiology
Background:
- Venous thromboembolism (VTE) involves inflammation and coagulation.
- Observational studies on VTE and inflammation lack causal clarity due to potential biases.
- Mendelian randomization (MR) can address these biases to establish causality.
Purpose of the Study:
- To investigate the causal relationship between inflammatory cytokines and VTE using a bidirectional MR approach.
- To identify specific inflammatory markers associated with pulmonary embolism (PE) and deep vein thrombosis (DVT).
Main Methods:
- A 2-sample Mendelian randomization study was conducted using publicly available genome-wide association statistics.
- Bidirectional MR analysis was performed with 5 distinct methods (IVW, MR-Egger, weighted median, simple mode, weighted mode).
- Rigorous tests for heterogeneity and horizontal pleiotropy were applied to ensure result validity.
Main Results:
- Elevated granulocyte colony stimulating factor and interleukin-2 levels were associated with increased PE susceptibility (ORs 1.36 and 1.17, respectively).
- Increased Eotaxin levels were correlated with an elevated risk of DVT (OR 1.18).
- Reverse MR analysis showed no causal effect of PE or DVT on the 41 inflammatory cytokines studied.
Conclusions:
- Granulocyte colony stimulating factor and interleukin-2 are identified as risk factors for PE.
- Eotaxin is identified as a risk factor for DVT.
- These findings provide causal evidence for the link between specific inflammatory cytokines and VTE, potentially aiding future screening and treatment strategies.
Related Concept Videos
01:30Venous Thrombosis I: Introduction
3
Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
3
01:20Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies
3
The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
3
01:29Venous Thrombosis III: Interprofessional Care
3
Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
3
01:17Intracellular Signaling Affects Focal Adhesions
2.6K
Integrins act both as extracellular input receivers and as intracellular processing activators. As their name suggests, integrins are entirely integrated into the membrane structure. Their hydrophobic membrane-spanning regions interact with the phospholipid bilayer's hydrophobic region. These membrane receptors provide extracellular attachment sites for effectors like hormones and growth factors. They activate intracellular response cascades when their effectors are bound and active.
Some...
Some...
2.6K
01:30Anticoagulant Drugs: Low-Molecular-Weight Heparins
636
Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
636
01:20The JAK-STAT Signaling Pathway
8.7K
Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as SH2...
8.7K