Cytokines are the Basis of the Development and Suppression of Inflammation in Atherosclerosis

Alexander V Blagov1, Alexey V Churov1,2, Irina A Starodubtseva3

  • 1Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia.

Insights

Inflammation drives atherosclerosis, a major cause of cardiovascular disease. Cytokines, immune signaling molecules, can both promote and protect against this arterial condition, offering potential therapeutic targets.

Area of Science:

  • Cardiovascular Science
  • Immunology
  • Pathophysiology

Background:

  • Atherosclerosis is a chronic inflammatory arterial disease contributing significantly to cardiovascular mortality.
  • Both innate and adaptive immunity, particularly cytokines, play critical roles in atherosclerosis development and progression.

Purpose of the Study:

  • To comparatively analyze the roles of key cytokines in atherosclerosis pathogenesis.
  • To elucidate the interrelationships between different cytokines in this disease.
  • To propose cytokine-targeted therapeutic strategies for atherosclerosis.

Main Methods:

  • Review of existing literature on cytokine function in atherosclerosis.
  • Comparative analysis of pro-atherogenic and anti-atherogenic cytokine activities.
  • Examination of clinical research on cytokine-targeting therapies.

Main Results:

  • Cytokines significantly influence atherosclerosis progression, with some promoting (e.g., IL-1, IL-6) and others mitigating the disease (e.g., IL-5, IL-13).
  • Certain cytokines exhibit dual roles, acting as both atherogenic and atheroprotective factors.
  • Complex functional relationships exist between various cytokines in the context of atherosclerosis.

Conclusions:

  • Cytokines are central mediators in atherosclerosis, presenting multifaceted roles.
  • Understanding these cytokine dynamics is crucial for developing effective atherosclerosis treatments.
  • Targeting specific cytokines holds promise for novel therapeutic interventions in cardiovascular disease.

Related Concept Videos

Inflammatory Response01:28

Inflammatory Response

An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
1.7K
Inflammation01:38

Inflammation

Overview
52.0K
T Cell Types and Functions01:24

T Cell Types and Functions

When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
689
The JAK-STAT Signaling Pathway01:20

The JAK-STAT Signaling Pathway

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...
8.5K
Role of Hematopoietic Growth Factors01:28

Role of Hematopoietic Growth Factors

Hematopoietic growth factors are molecules that regulate the differentiation rate of hematopoietic stem cells (HSCs). Erythropoietin (EPO), primarily produced by the kidneys, plays a crucial role in erythrocyte production. When oxygen levels in the blood are low, EPO is released into the bloodstream, reaching the bone marrow, where it stimulates HSCs to differentiate and mature into erythrocytes, which are vital for oxygen transport.
Thrombopoietin (TPO), mainly released by the liver,...
1.2K
Drugs for Treatment of Crohn's Disease in IBD Using Biologic Agents: Anti-TNF01:24

Drugs for Treatment of Crohn's Disease in IBD Using Biologic Agents: Anti-TNF

Tumor Necrosis Factor (TNF), a proinflammatory cytokine, contributes significantly to the inflammation seen in Crohn's disease. It exists as soluble TNF and membrane-bound TNF, with actions mediated through TNF receptors (TNFR). TNFR activation leads to the release of proinflammatory cytokines, T-cell activation, collagen production, and leukocyte migration, all contributing to inflammation in Crohn's disease. Anti-TNF monoclonal antibodies, namely infliximab (Remicade), adalimumab...
103