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. 2016 Jan-Feb;74(1):93-7.
doi: 10.1684/abc.2015.1112.

Presepsin (sCD14-ST) secretion and kinetics by peripheral blood mononuclear cells and monocytic THP-1 cell line

Camille Chenevier-Gobeaux  1 , Valérie Bardet  2 , Hélène Poupet  3 , Claire Poyart  3 , Didier Borderie  4 , Yann-Erick Claessens  5
Affiliations
Free article

Presepsin (sCD14-ST) secretion and kinetics by peripheral blood mononuclear cells and monocytic THP-1 cell line

Camille Chenevier-Gobeaux et al. Ann Biol Clin (Paris). 2016 Jan-Feb.
Free article

Abstract

Presepsin could help for early diagnosis of systemic infection. Little is known regarding its kinetics. We studied presepsin concentration after challenge with bacterial agonist lipopolysaccharide (LPS) stimulation in peripheral mononuclear cells (PMNC) collected from 5 healthy volunteers and in a human cell line of monocytic cells (THP1). In PMNC, an exposure to LPS (100 ng/mL) induced an increase of median presepsin levels as early as hour 1 (+31%, p=0.007), concomitantly to IL-6 synthesis. In THP1 cells, presepsin was detected at 1 hour after LPS exposure, and peaked at 3 hours, in THP1 cells. In conclusion, we report here that presepsin, a surrogate marker of the host response to bacteria, increases early in PMNC and in a monocytic cell lineage. Our findings might confirm the potential usefulness of presepsin bedside as an early marker of infectious diseases.

Keywords: biomarkers; lipopolysaccharide; presepsin; sepsis.

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