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Soluble CD163.

Holger J Møller1

  • 1Department of Clinical Biochemistry, Aarhus University Hospital, Nørrebrogade 44, Aarhus C, Denmark. holgmoel@rm.dk

Scandinavian Journal of Clinical and Laboratory Investigation
|November 9, 2011
PubMed
Summary
This summary is machine-generated.

Soluble CD163 (sCD163), a marker of macrophage activation, is elevated in inflammatory diseases and predicts type 2 diabetes risk. Its regulation and measurement are crucial for understanding disease progression and comorbidity.

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Area of Science:

  • Immunology
  • Biochemistry
  • Clinical Biomarkers

Background:

  • CD163 is a macrophage and monocyte receptor for haptoglobin-hemoglobin complexes.
  • Soluble CD163 (sCD163) is the circulating extracellular portion of CD163, found at 0.7-3.9 mg/l in healthy individuals.
  • sCD163 levels increase during inflammation due to metalloproteinase-mediated shedding.

Purpose of the Study:

  • To review the regulation of sCD163 in normal and pathological states.
  • To discuss the analytical aspects of sCD163 measurement.
  • To highlight sCD163's role as a biomarker for macrophage activation and disease risk.

Main Methods:

  • Literature review of studies on CD163 biology and sCD163.
  • Analysis of sCD163 regulation in inflammatory conditions.
  • Discussion of analytical methods for sCD163 quantification.

Main Results:

  • sCD163 is a valuable biomarker for macrophage activation in diseases like sepsis and liver disease.
  • Elevated sCD163 is associated with increased comorbidity and mortality in chronic inflammatory diseases.
  • sCD163 is linked to the development of type 2 diabetes, potentially via macrophage infiltration in adipose tissue and liver.

Conclusions:

  • sCD163 serves as a critical biomarker for macrophage activation and disease risk.
  • Understanding sCD163 regulation and measurement is important for clinical applications.
  • sCD163 holds potential for predicting disease progression and outcomes in various inflammatory and metabolic conditions.