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  • Title: Clinical value of LHPP-associated microRNAs combined with protein induced by vitamin K deficiency or antagonist-II in the diagnosis of alpha-fetoprotein-negative hepatocellular carcinoma.
    Author: Tian Z, Yu T, Wei H, Ning N.
    Journal: J Clin Lab Anal; 2020 Feb; 34(2):e23071. PubMed ID: 31693242.
    Abstract:
    BACKGROUND: Alpha-fetoprotein (AFP) has received extensive attention in the differential diagnosis of hepatocellular carcinoma (HCC), especially for AFP-negative HCC (AFP-NHCC). The current study aimed to explore the value of targeted regulation of LHPP expression-related microRNAs (miRs) and protein induced by vitamin K deficiency or antagonist-II (PIVKA-II) in the differential diagnosis of AFP-NHCC. METHODS: A retrospective study was conducted on a testing set-including 214 AFP-NHCC patients, 200 cirrhosis, and 210 controls, and a validation set-including 140 AFP-NHCC patients, 134 cirrhosis, and 128 controls recruited from The First Affiliated Hospital of Hunan Normal University. Serum miRs were examined using quantitative real-time PCR method. Serum PIVKA-II was measured by enzyme-linked immunosorbent assay. RESULTS: Compared with adjacent tissues, LHPP protein levels in cancer tissues were significantly decreased (P < .05). Predictive software and dual-luciferase reporter assays showed that miR-363-5p and miR-765 can target LHPP expression. Serum miR-363-5p, miR-765, and PIVKA-II levels were significantly higher in AFP-HCC patients than in cirrhosis and controls. A logistic regression model combining miR-363-5p, miR-765, and PIVKA-II was performed. This model presented a high discriminating value (AUC: 0.930, sensitivity/specificity: 79.4%/95.4%) than any single indicator. In the validation set, this model still showed a high discriminating value (AUC: 0.936, sensitivity/specificity: 83.6%/94.7%). CONCLUSION: Current model combining serum miR-363-5p, miR-765, and PIVKA-II has potential significance for diagnosis of AFP-NHCC.
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