Perindopril Sensitizes Hepatocellular Carcinoma to Chemotherapy: A Possible Role of Leptin / Wnt/ β-catenin Axis with Subsequent Inhibition of Liver Cancer Stem Cells
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Objective: This study investigated the potential role of an ACEI perindopril as a chemosensitizer agent to sorafenib.
Method: HCC was induced in mice using a single dose of diethylnitrosamine DENA (200 mg/kg) followed by phenobarbital 0.05% in drinking water for 16 weeks. Mice were then treated with perindopril (1 mg/kg/day), Sorafenib (30 mg/kg/day), or both of them for another four weeks. Leptin, VEGF, MMP-9, Cyclin D1, EpCAM, and β-catenin were measured using immunoassay while Wnt and ALDH1 were assayed using western blotting assay.
Results: Perindopril whether alone or in combination with sorafenib decrease liver enzymes and preserve the liver architecture. Our study revealed that perindopril significantly increased the antineoplastic, antiangiogenic as well as anti-metastatic effects of sorafenib. This effect was correlated with the downregulation of the leptin / Wnt / β-catenin pathway and overexpression of ALDH1 while downregulation of EpCAM.
Conclusion: This study presents perindopril as a potential chemosensitizer agent that works through decreased expression of the leptin / Wnt / β-catenin pathway.
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