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Soluble CD146, a novel endothelial marker, is related to the severity of liver disease.

TitleSoluble CD146, a novel endothelial marker, is related to the severity of liver disease.
Publication TypeJournal Article
Year of Publication2015
AuthorsNomikou, E., Alexopoulou A., Vasilieva L., Agiasotelli D., Pavlou E., Theodossiades G., & Dourakis S. P.
JournalScand J Gastroenterol
Volume50
Issue5
Pagination577-83
Date Published2015 May
ISSN1502-7708
KeywordsAged, Antigens, CD146, Biomarkers, Biopsy, Disease Progression, Female, Humans, Liver, Liver Cirrhosis, Male, Middle Aged, ROC Curve
Abstract

OBJECTIVES: Angiogenesis and inflammation have been involved in the progression of fibrosis in patients with chronic liver disease (CLD). Soluble CD146 (sCD146), a biomarker that was recently characterized as a novel component of the endothelial junction is implicated in endothelial proliferation. Our study evaluates the performance of sCD146 in assessing liver fibrosis and cirrhosis, and determines if its levels are related to the severity of liver disease in patients with cirrhosis.MATERIAL AND METHODS: sCD146 levels were determined by a commercially available immunoenzymatic technique in 62 consecutive patients with cirrhosis, 43 patients with CLD and 27 healthy controls.RESULTS: Patients with cirrhosis compared to non-cirrhotics with CLD had a higher median sCD146 concentration (639 vs. 317 ng/ml). In receiver operating characteristic (ROC) curve analysis, the cut-off of 412 ng/ml showed a sensitivity of 78% and a specificity of 75% for diagnosis of cirrhosis, offering good diagnostic accuracy (area under the ROC curve [AUROC: 0.838]). Patients with compensated compared to those with decompensated cirrhosis had a lower median sCD146 concentration (399 vs. 848 ng/ml, respectively). A cut-off of 534 ng/ml offered a sensitivity of 83% and a specificity of 78% for differentiating compensated from decompensated cirrhosis (AUROC: 0.866). Furthermore, in cirrhotics, sCD146 correlated positively with AST, bilirubin levels and most importantly with international normalized ratio and model for end-stage liver disease (r = 0.648, p < 0.001 and r = 0.567, p < 0.001, respectively).CONCLUSION: sCD146 can be used as a surrogate, inexpensive biomarker for the diagnosis of cirrhosis. It is also well correlated with severity of liver disease in cirrhotic patients. Further studies are needed to define its role in clinical practice.

DOI10.3109/00365521.2014.985706
Alternate JournalScand. J. Gastroenterol.
PubMed ID25636502

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