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Article Publish Status: FREE
Abstract Title:

Vitamin C enhances anticancer activity in methotrexate‑treated Hep3B hepatocellular carcinoma cells.

Abstract Source:

Oncol Rep. 2014 Sep ;32(3):1057-63. Epub 2014 Jun 25. PMID: 24969544

Abstract Author(s):

Giou-Teng Yiang, Pei-Lun Chou, Yu-Ting Hung, Jen-Ni Chen, Wei-Jung Chang, Yung-Luen Yu, Chyou-Wei Wei

Article Affiliation:

Giou-Teng Yiang

Abstract:

Methotrexate (MTX) has been widely used for rheumatoid arthritis therapy for a long time. MTX is also used as an anticancer drug for various tumors. However, many studies have shown that high-dose MTX treatment for cancer therapy may cause liver and renal damage. Alhough the mechanisms involved in MTX-induced liver and renal damage require further research, many studies have indicated that MTX-induced cytotoxicity is associated with increases in oxidative stress and caspase activation. In order to reduce MTX-induced side-effects and increase anticancer efficiency, currently, combination treatments of low-dose MTX and other anticancer drugs are considered and applied for various tumor treatments. The present study showed that MTX induces increases in H2O2 levels and caspase-9/-3 activation leading to cell death in hepatocellular carcinoma Hep3B cells. Importantly, this study is the first to demonstrate that vitamin C can efficiently aid low-dose MTX in inducing cell death in Hep3B cells. Therefore, the present study provides a possible powerful therapeutic method for tumors using a combined treatment of vitamin C and low-dose MTX.

Study Type : In Vitro Study

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