ADAMTS13, VWF, and Endotoxin Are Interrelated and Associated with the Severity of Liver Cirrhosis via Hypercoagulability

ADAMTS13 specifically cleaves the multimeric von Willebrand factor (VWF), and an imbalance between ADAMTS13 activity (ADAMTS13:AC) and VWF antigen (VWF:Ag) levels is associated with the severity of liver cirrhosis (LC). However, the reason for this imbalance in patients with LC is unknown. This stud...

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Published in:Journal of clinical medicine 2022-03, Vol.11 (7), p.1835
Main Authors: Takaya, Hiroaki, Namisaki, Tadashi, Asada, Shohei, Iwai, Satoshi, Kubo, Takahiro, Suzuki, Junya, Enomoto, Masahide, Tsuji, Yuki, Fujinaga, Yukihisa, Nishimura, Norihisa, Sawada, Yasuhiko, Kaji, Kosuke, Kawaratani, Hideto, Moriya, Kei, Akahane, Takemi, Matsumoto, Masanori, Yoshiji, Hitoshi
Format: Article
Language:English
Subjects:
Blood platelets
Clinical medicine
Enzymes
Hepatitis
Laboratories
Liver cirrhosis
Liver diseases
Molecular weight
Plasma
Proteins
Sepsis
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Summary:ADAMTS13 specifically cleaves the multimeric von Willebrand factor (VWF), and an imbalance between ADAMTS13 activity (ADAMTS13:AC) and VWF antigen (VWF:Ag) levels is associated with the severity of liver cirrhosis (LC). However, the reason for this imbalance in patients with LC is unknown. This study investigated the relationship among ADAMTS13:AC, VWF:Ag, and endotoxin (Et) levels in patients with LC. ADAMTS13:AC and VWF:Ag levels were determined using ELISA, whereas Et levels were estimated using a chromogenic substrate assay. The levels of ADAMTS13 inhibitor (ADAMTS13:INH) were evaluated by measuring the extent that heat-inactivated patient's plasma reduces the ADAMTS13:AC of the control. The status (degraded, normal, or unusually large [UL]) of the VWF multimer (VWFM) was determined through vertical agarose gel electrophoresis. ADAMTS13:AC, VWF:Ag, and Et levels decreased, increased, and increased, respectively, with the severity of LC. Patients with cirrhosis with high Et levels had lower and higher ADAMTS13:AC and VWF:Ag levels, respectively, than those with low Et levels. Patients with cirrhosis with detectable ADAMTS13:INH had higher Et levels than those with undetectable ADAMTS13:INH. Patients whose VWFM was either normal or UL had higher Et levels than those with degraded VWFM. In conclusion, ADAMTS13, VWF, and Et may be interrelated and associated with the severity of LC via hypercoagulability.
ISSN:2077-0383
2077-0383
DOI:10.3390/jcm11071835