Use of the Triggering Receptor Expressed on Myeloid Cells-1 (TREM-1) in the Diagnosis of Pleural Effusion
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- STATUS
- Recruiting
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- participants needed
- 100
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- sponsor
- National Taiwan University Hospital
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 Identifier | NCT00166894 |
| Sponsor | National Taiwan University Hospital |
| Last Modified on | 7 November 2020 |
Eligibility
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