5 years ago

Cell death markers in cirrhotic patients with acute decompensation.

Caraceni, Sola, Andreola, Zheng, Pavesi, Gerbes, Bachtiger, Arroyo, Gines, Moreau, Mookerjee, Amoros, Grønbaek, Macdonald, Jalan
The aims of this study were to determine the role of cell death in cirrhotic patients with acute decompensation (AD) and acute on chronic liver failure (ACLF) using plasma-based biomarkers. The patients studied were part of the CANONIC study (N=337; AD: 258; ACLF: 79); additional cohorts included healthy volunteers, stable cirrhotic patients and a group of 16 AD patients for histological studies. Caspase-cleaved keratin 18 (cK18) and keratin 18 (K18), which reflect apoptotic and total cell death respectively and cK18:K18 ratio (apoptotic index) were measured in the plasma by ELISA. The concentrations of cK18 and K18 increased and the cK18:K18 ratio decreased with increasing severity of AD and ACLF (p<0.001 respectively). Alcohol etiology, no previous decompensation and alcohol abuse were associated with increased cell death markers whereas underlying infection was not. Close correlation was observed between the cell death markers and, markers of systemic inflammation, hepatic failure, alanine amino transferase and bilirubin but not with markers of extra hepatic organ injury. TUNEL staining confirmed evidence of greater hepatic cell death in patients with ACLF as opposed to AD. Inclusion of cK18 and K18 improved the performance of the CLIF-C AD score in prediction of progression from AD to ACLF (p<0.05).

Publisher URL: http://doi.org/10.1002/hep.29581

DOI: 10.1002/hep.29581

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