[Soluble CD40 ligand: a potential marker of cardiovascular risk]

A San Miguel Hernández1, L Inglada-Galiana, R García Iglesias

  • 1Servicio de Análisis Clínicos, Hospital Universitario Río Hortega, Valladolid, España.

Revista Clinica Espanola
|August 11, 2007
PubMed

Insights

Soluble CD40 ligand (sCD40L) and its receptor CD40 are overexpressed in atherosclerotic lesions, increasing mediators that drive atherosclerosis and thrombosis. These molecules are key players in the immunoinflammatory system

Area of Science:

  • Immunology
  • Vascular Biology
  • Biochemistry

Background:

  • Atherosclerosis pathogenesis involves immunoinflammatory processes.
  • Current prognostic evaluation of atherosclerotic plaque is limited.
  • Biomarkers like CD40 and interleukins are crucial for assessing vulnerability.

Purpose of the Study:

  • To investigate the role of soluble CD40 ligand (sCD40L) and its receptor CD40 in atherosclerosis.
  • To understand their contribution to inflammatory processes and thrombotic complications.

Main Methods:

  • Analysis of recombinant human soluble CD40 ligand (sCD40L) structure and expression.
  • Examination of sCD40L and CD40 expression in experimental and human atherosclerotic lesions.

Main Results:

  • Soluble CD40 ligand (sCD40L) is a 16.3 kD glycoprotein with a TNF-like domain.
  • sCD40L is expressed on antigen-presenting cells, linking inflammation and thrombosis.
  • Both sCD40L and CD40 are overexpressed in atherosclerotic lesions, increasing atherogenic mediators.

Conclusions:

  • Soluble CD40 ligand (sCD40L) and CD40 significantly contribute to the inflammatory processes underlying atherosclerosis.
  • Their overexpression exacerbates the development of atherosclerosis and thrombosis.
  • Targeting sCD40L and CD40 may offer future therapeutic strategies for atherosclerotic disease.

Related Concept Videos

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
Blood Studies for Cardiovascular System III: Serum Lipid Profile01:25

Blood Studies for Cardiovascular System III: Serum Lipid Profile

Understanding serum lipids is crucial for maintaining cardiovascular health and preventing heart disease and stroke.
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
Atherosclerosis I: Introduction01:30

Atherosclerosis I: Introduction

Atherosclerosis is a progressive disorder characterized by the buildup of plaques on the arterial inner wall, causing them to narrow and harden over time. These plaques comprise lipids, calcium, blood components, carbohydrates, and fibrous tissue. The process primarily affects the intima of large and medium-sized arteries, reducing blood flow in any artery.Etiology and risk factorsThe cause of atherosclerosis is multifactorial, involving a complex interplay among endothelial injury, lipid...