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Combinatorial treatment of Rhizoma Paridis Saponins and sorafenib overcomes the intolerance of sorafenib.

08:00 EDT 19th June 2018 | BioPortfolio

Summary of "Combinatorial treatment of Rhizoma Paridis Saponins and sorafenib overcomes the intolerance of sorafenib."

Sorafenib, as a multi-kinase inhibitor, was the first FDA-approved anti- hepatocellular carcinoma (HCC) drug. Rhizoma Paridis saponins (RPS) as natural products have shown antitumor activity through regulation of glycolytic and lipid metabolism which was regarded as the side effect limited the utility of sorafenib. In this research, we tried to use metabolomics to verify the probability of combinatorial treatment of RPS and Sorafenib. As a result, Sorafenib + RPS increased the antitumor effect of sorafenib and RPS in H22 mice. They mitigated the change of liver weight and the increasing levels of AST and ALT in serum, and AFP and MDA in liver tissues, which indicated their liver protective activity. They also up-regulated the activity of NOX and SDH, concentration of ATP, and down-regulated the mRNA and protein levels of HIF-1a and concentration of lactate, which suggested they protected against mitochondria damage and inhibited anaerobic glycolysis. Meanwhile, the combination group remarkably down-regulated the concentration of octadecanoic acid and hexadecanoic acid in serum, and tetradecanoic acid in liver tissues compared with model group (p < 0.05). Relative regulation mechanism included their decreasing mRNA levels of FASN, CPT1, GLUT1, Myc, Akt, mTOR and LDHA, and increasing the protein expression of p53 in tumor and liver tissues (p < 0.05). Furthermore, similar influence can be observed in protein levels of CPT1A, p-PI3K, p-mTOR and p53 in liver tissues and FASN in serum. All of that provided possibility to overcome the intolerance of sorafenib by drug compatibility through protection against mitochondria damage, inhibition of anaerobic glycolysis and suppression of lipid synthesis based on PI3K/Akt/mTOR pathway.

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Name: The Journal of steroid biochemistry and molecular biology
ISSN: 1879-1220
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