Use of the Triggering Receptor Expressed on Myeloid Cells-1 (TREM-1) in the Diagnosis of Pleural Effusion

  • STATUS
    Recruiting
  • participants needed
    100
  • sponsor
    National Taiwan University Hospital
Updated on 22 January 2022

Summary

The aim of this trial is to evaluate the level of TREM-1 in different kinds of pleural effusion.

Description

The triggering receptor expressed on myeloid cells-1 (TREM-1) is a member of the immunoglobulin superfamily, and its expression is upregulated on phagocytic cells in the presence of bacteria or fungi. Several experiments by Bouchon and colleagues showed that TREM-1 mediates the acute inflammatory response to microbial products. Human tissues infected with bacteria are infiltrated with neutrophils and macrophages that express high levels of TREM-1. Conversely, TREM-1 is only weakly expressed in samples from patients with noninfectious inflammatory disorders. In addition, TREM-1 is shed from the membrane of activated phagocytes and can be found in a soluble form in body fluids. The presence of a soluble form of TREM-1 in samples of bronchoalveolar lavage fluid from mechanically ventilated patients has been shown to be a good indicator of infectious pneumonia.

Details
Condition Pleural Effusion
Clinical Study IdentifierNCT00166894
SponsorNational Taiwan University Hospital
Last Modified on22 January 2022

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