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Related Concept Videos

MAPK Signaling Cascades01:07

MAPK Signaling Cascades

Mitogen-activated protein kinase, or MAPK pathway, activates three sequential kinases to regulate cellular responses such as proliferation, differentiation, survival, and apoptosis. The canonical MAPK pathway starts with a mitogen or growth factor binding to an RTK. The activated RTKs stimulate Ras, which recruits Raf or MAP3 Kinase (MAPKKK), the first kinase of the MAPK signaling cascade. Raf further phosphorylates and activates MEK or MAP2 Kinases (MAPKK), which in turn phosphorylates MAP...
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Receptor Tyrosine Kinases

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Related Experiment Video

Updated: Jun 3, 2026

Myeloid Innate Signaling Pathway Regulation by MALT1 Paracaspase Activity
07:09

Myeloid Innate Signaling Pathway Regulation by MALT1 Paracaspase Activity

Published on: January 7, 2019

Triggering receptor expressed on myeloid cell 1.

Damien Barraud1, Sébastien Gibot

  • 1Medical ICU, University Hospital of Nancy, Avenue de Lattre de Tassigny, 54000 Nancy, France.

Critical Care Clinics
|March 29, 2011
PubMed
Summary

Diagnosing sepsis is challenging due to unreliable clinical signs and negative lab tests. Measuring soluble triggering receptor expressed on myeloid cell 1 (TREM-1) in bodily fluids may aid in infection diagnosis.

Area of Science:

  • Critical Care Medicine
  • Immunology
  • Infectious Diseases

Background:

  • Sepsis is a significant cause of illness and death in intensive care units.
  • Current sepsis diagnostic methods lack sufficient sensitivity and specificity.
  • Microbiological studies for sepsis diagnosis frequently yield negative results.

Purpose of the Study:

  • To evaluate the diagnostic potential of soluble triggering receptor expressed on myeloid cell 1 (sTREM-1) in biological fluids.
  • To explore sTREM-1 as a biomarker for infection, particularly sepsis.

Main Methods:

  • The study focuses on the assessment of soluble TREM-1 levels.
  • Expression of TREM-1 on phagocytic cells in response to microbial presence was investigated.
  • Analysis of sTREM-1 in various biological fluids was performed.

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Main Results:

  • TREM-1 expression increases on phagocytic cells during bacterial or fungal infections.
  • Soluble TREM-1 levels in biological fluids show potential as diagnostic markers.
  • The study highlights the utility of sTREM-1 for infection detection.

Conclusions:

  • Soluble TREM-1 assessment offers a promising approach for diagnosing infections like sepsis.
  • sTREM-1 may overcome limitations of current diagnostic strategies.
  • Further research into sTREM-1 utility in clinical settings is warranted.