Related Experiment Video
Updated: Nov 16, 2025
06:29
Accurate and Simple Measurement of the Pro-inflammatory Cytokine IL-1β using a Whole Blood Stimulation Assay
Published on: March 1, 2011
26.7K
The pro-inflammatory cytokines in COVID-19 pathogenesis: What goes wrong?
Dounia Darif1, Ikram Hammi1, Ayyoub Kihel1
1Molecular Genetics and Immunophysiopathology Research Team, Health and Environment Laboratory, Aïn Chock Faculty of Sciences, Hassan II University of Casablanca (UH2C), Morocco.
Microbial Pathogenesis
|February 20, 2021
Summary
Severe COVID-19 involves cytokine release syndrome (CRS), an overactive immune response. Understanding key pro-inflammatory cytokines like IL-6 and TNFα is crucial for developing effective immunological treatments.
Area of Science:
- Immunology
- Virology
- Pathophysiology
Background:
- Coronavirus disease 2019 (COVID-19), caused by SARS-CoV-2, has led to a global pandemic.
- Severe COVID-19 pathogenesis is linked to immune system dysregulation, specifically cytokine release syndrome (CRS).
- CRS involves excessive pro-inflammatory cytokine release, contributing to lung inflammation, damage, and hypercoagulation in severe cases.
Purpose of the Study:
- To review the role of specific pro-inflammatory cytokines in SARS-CoV-2-induced CRS.
- To explore the causes and clinical outcomes of CRS in severe COVID-19 patients.
- To identify potential cytokine targets for immunological treatments.
Main Methods:
- Literature review of existing research on COVID-19, SARS, and MERS.
- Analysis of the role of cytokines such as IL-1β, IL-6, IL-8, IL-17, and TNFα.
- Synthesis of current knowledge on cytokine storm mechanisms in SARS-CoV-2 infection.
Main Results:
- Pro-inflammatory cytokines significantly contribute to the pathophysiology of severe COVID-19.
- Cytokine release syndrome is a key factor in lung damage and hypercoagulation observed in critical cases.
- Specific cytokines like IL-6 and TNFα are implicated in the exacerbated immune response.
Conclusions:
- A comprehensive understanding of cytokine involvement in SARS-CoV-2 CRS is essential.
- Targeting pro-inflammatory cytokines offers a promising avenue for novel immunotherapies.
- Further research into cytokine pathways can guide the development of treatments for severe COVID-19.
Related Concept Videos
01:28Inflammatory Response
15.0K
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,...
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,...
15.0K
01:30Inflammatory Response I: Vascular and Cellular
14.1K
The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
14.1K
01:24T Cell Types and Functions
1.7K
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...
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
1.7K
01:38Inflammation
57.6K
Overview
57.6K
01:20Chronic Obstructive Pulmonary Disease-II: Pathophysiology
3.7K
Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
Chronic Inflammation
3.7K
01:20The JAK-STAT Signaling Pathway
10.2K
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...
10.2K