eISSN: 2449-8238
ISSN: 2392-1099
Clinical and Experimental Hepatology
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4/2023
vol. 9
 
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abstract:
Original paper

Thrombospondin-2 as a potential noninvasive biomarker of hepatocyte injury but not liver fibrosis in children with MAFLD: A preliminary study

Katarzyna Zdanowicz
1
,
Marta Flisiak-Jackiewicz
1
,
Anna Bobrus-Chociej
1
,
Monika Kowalczuk-Kryston
1
,
Jacek Jamiolkowski
2
,
Diana Martonik
3
,
Magdalena Rogalska
3
,
Dariusz M. Lebensztejn
1

  1. Department of Pediatrics, Gastroenterology, Hepatology, Nutrition, Allergology and Pulmonology, Medical University of Bialystok, Bialystok, Poland
  2. Department of Population Medicine and Civilization Diseases Prevention, Medical University of Bialystok, Bialystok, Poland
  3. Department of Infectious Diseases and Hepatology, Medical University of Bialystok, Bialystok, Poland
Clin Exp HEPATOL 2023; 9, 4: 368-374
DOI: https://doi.org/10.5114/ceh.2023.133108
Online publish date: 2023/11/22
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Aim of the study:
Metabolic-associated fatty liver disease (MAFLD) requires close monitoring due to its increased incidence and progression to fibrosis, cirrhosis and even hepatocellular carcinoma. The search for non-invasive markers to diagnose liver fibrosis is ongoing. The aim of our study was to evaluate the serum levels of growth differentiation factor-15 (GDF-15), thrombospondin-2 (TSP2), pentraxin 3 (PTX3) and angiopoietin-like protein 8 (ANGPTL8) in children with MAFLD.

Material and methods:
Fifty-six overweight/obese children with suspected liver disease were included in this prospective study. MAFLD was diagnosed according to the latest consensus. Vibration-controlled transient elastography (TE) was performed to detect clinically significant liver fibrosis. Serum concentrations of GDF-15, TSP2, PTX3 and ANGPTL8 were measured by enzyme-linked immunosorbent assay (ELISA).

Results:
Liver steatosis was diagnosed in abdominal ultrasound in 31 (55.36%) overweight/obese patients who were classified as the MAFLD group. Aspartate aminotransferase (AST)/platelet ratio (APRI) and liver stiffness measurement (LSM) values and TSP2 concentrations showed significantly higher values in patients in MAFLD than in the non-MAFLD group. TSP2 was significantly positively correlated with alanine transaminase (ALT), AST, g-glutamyltransferase (GGT) and APRI in the study group. The receiver operating characteristics (ROC) analysis showed that the area under the curve (AUC) of LSM, APRI and serum TSP2 was significant for predicting MAFLD in obese children. In the multivariable regression model, LSM was the only significant parameter associated with the diagnosis of MAFLD in children.

Conclusions:
TSP2 may be a potential biomarker of hepatocyte injury in pediatric patients with MAFLD. None of the examined biomarkers were found to be effective non-invasive markers of liver fibrosis in children.

keywords:

children, fibrosis, transient elastography, MAFLD, thrombospondin-2
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