Hepatology international · 2023
Exosome GLUT1 derived from hepatocyte identifies the risk of non-alcoholic steatohepatitis and fibrosis.
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Zhang Wenyan, Zhang Jing, Shi Honglin, Liu Fang, Yu Haibin, Shi Hongbo
Аннотация
BACKGROUND AND AIMS: It is particularly important to identify the progression of non-alcoholic fatty liver disease (NAFLD) for prognosis evaluation and treatment guidance. The aim of this study was to explore the clinic use of exosomal protein-based detection as a valuable non-invasive diagnostic method for NAFLD.
METHODS: Exosomes were extracted from plasma of patients with NAFLD using Optima XPN-100 ultrafast centrifuge. The patients were recruited from outpatients and inpatients of Beijing Youan Hospital Affiliated to Capital Medical University. The exosomes were stained with fluorescent-labeled antibody and determined by ImageStream® X MKII imaging flow cytometry. Generalized linear logistic regression model was used to evaluate the diagnostic value of hepatogenic exosomes in NAFLD and liver fibrosis.
RESULTS: The percentage of hepatogenic exosomes glucose transporter 1 (GLUT1) in patients with non-alcoholic steatohepatitis (NASH) was significantly higher than that in patients with non-alcoholic fatty liver (NAFL). According to liver biopsy, we found that the percentage of hepatogenic exosomes GLUT1 in patients with advanced NASH (F2-4) was significantly higher than that in patients with early NASH (F0-1), and the same trend was observed in exosomes with CD63 and ALB. Compared with other clinical fibrosis scoring criteria (FIB-4, NFS, etc.), the diagnostic performance of hepatogenic exosomes GLUT1 was the highest and the area under the receiver-operating curves (AUROC) was 0.85 (95% CI 0.77-0.93). Furthermore, the AUROC of hepatogenic exosomes GLUT1 combined with fibrosis scoring was as high as 0.86-0.91.
CONCLUSION: Hepatogenic exosome GLUT1 can be a molecular biomarker for early warning of NAFLD to distinguish the NAFL and NASH, and it also can be used as a novel non-invasive diagnostic biomarker for the staging liver fibrosis in NAFLD.
METHODS: Exosomes were extracted from plasma of patients with NAFLD using Optima XPN-100 ultrafast centrifuge. The patients were recruited from outpatients and inpatients of Beijing Youan Hospital Affiliated to Capital Medical University. The exosomes were stained with fluorescent-labeled antibody and determined by ImageStream® X MKII imaging flow cytometry. Generalized linear logistic regression model was used to evaluate the diagnostic value of hepatogenic exosomes in NAFLD and liver fibrosis.
RESULTS: The percentage of hepatogenic exosomes glucose transporter 1 (GLUT1) in patients with non-alcoholic steatohepatitis (NASH) was significantly higher than that in patients with non-alcoholic fatty liver (NAFL). According to liver biopsy, we found that the percentage of hepatogenic exosomes GLUT1 in patients with advanced NASH (F2-4) was significantly higher than that in patients with early NASH (F0-1), and the same trend was observed in exosomes with CD63 and ALB. Compared with other clinical fibrosis scoring criteria (FIB-4, NFS, etc.), the diagnostic performance of hepatogenic exosomes GLUT1 was the highest and the area under the receiver-operating curves (AUROC) was 0.85 (95% CI 0.77-0.93). Furthermore, the AUROC of hepatogenic exosomes GLUT1 combined with fibrosis scoring was as high as 0.86-0.91.
CONCLUSION: Hepatogenic exosome GLUT1 can be a molecular biomarker for early warning of NAFLD to distinguish the NAFL and NASH, and it also can be used as a novel non-invasive diagnostic biomarker for the staging liver fibrosis in NAFLD.