Does Macrophage Activation Cause Fever?

Robert Thorne
Robert Thorne
• • 6 min read

Macrophage Activation Syndrome Macrophage Activation Syndrome Synonymous with Secondary Hemophagocytic Lymphohistiocytosis, Macrophage Activation Syndrome...

Does Macrophage Activation Cause Fever?

Macrophage activation syndrome

Macrophage activation syndrome
Synonymous with secondary hemophagocytic lymphohistiocytosis, macrophage activation syndrome (MAS) is a term used by rheumatologists to describe a potentially life-threatening complication of systemic inflammatory disorders, most commonly systemic juvenile idiopathic arthritis (sJIA) and systemic lupus erythematosus ( ...
› articles › fimmu.2019.00119 › full
(MAS) in adults is poorly studied. Main features are fever, hepatosplenomegaly, hepatobiliary dysfunction (HBD), coagulopathy, cytopenia of two to three cell lineages, increased triglycerides and hemophagocytosis in the bone marrow.

What are the symptoms of macrophage activation syndrome?

Macrophage activation syndrome affects the immune system and causes inflammation.
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Signs and symptoms of MAS
  • Continuous fevers (persistent fevers)
  • Feeling tired and low energy.
  • Headaches, feeling confused or 'foggy' (mental status changes)
  • Large lymph nodes (lymphadenopathy)
  • Large liver and spleen (hepatosplenomegaly)

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Which are consequences of macrophage activation?

Once activated, the macrophage can kill intracellular and ingested bacteria. Activated macrophages can also cause local tissue damage, which explains why this activity must be strictly regulated by antigen-specific T cells.

Robert Thorne

Robert Thorne

Automotive & Future Transportation Editor
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Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.