Host immune cell responses to life-threatening infections

March 17, 2026Open Access

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Key Points

The research aims to explore immune cell responses to Staphylococcus aureus and identify potential biomarkers for chronic infections.
In vitro studies analyzed immune cell responses to planktonic and biofilm forms of Staphylococcus aureus.
Proteomics identified differentially expressed proteins in peripheral mononuclear blood cells (PBMCs).
Machine learning techniques were utilized to compare serum profiles of CAP patients with stressed PBMCs.
Cytokine analysis found increased levels of IL-1β and TNF in planktonic forms and IL-18 in biofilms.
High accuracy of 82.6% was achieved in differentiating biofilm stress from CAP serum profiles.
The Dectin-1-Syk-CARD9 signaling pathway was upregulated, indicating modulation of host chemotaxis by biofilms.

Examines immune cell reactions to Staphylococcus aureus, indicating crucial biomarkers for infection management.

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Reza Gheitasi (2026) studied this question.

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