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Anticancer Res. 2018 Nov;38(11):6253-6261. doi: 10.21873/anticanres.12981.

Coupling Dichloroacetate Treatment with Curcumin Significantly Enhances Anticancer Potential.

Author information

1
Graduate Institute of Biochemical and Biomedical Engineering, National Taipei University of Technology, Taipei, Taiwan, R.O.C. crntut@gmail.com biontut@gmail.com.
2
Division of General Surgery, Department of Surgery, Taipei Medical University Hospital, Taipei, Taiwan, R.O.C.
3
Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan, R.O.C.
4
Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan, R.O.C.
5
Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, Taiwan, R.O.C.
6
Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, Taiwan, R.O.C. crntut@gmail.com biontut@gmail.com.
7
Institute of Biomedical Engineering and Nanomedicine Research, National Health Research Institutes (NHRI), Miaoli, Taiwan, R.O.C.

Abstract

BACKGROUND/AIM:

Dichloroacetate (DCA) and curcumin have been shown to be potent drug candidates in cancer therapy. Our study aimed to investigate the combined effects of DCA and essential oil-blended curcumin (ECUR) using the hepatoma Huh-7 cell model.

MATERIALS AND METHODS:

Muse™ Cell Cycle assay, Muse™ Annexin V & Dead Cell assay, Muse™ Oxidative Stress assay, and western blot analysis were applied to explore the underlying mechanisms.

RESULTS:

DCA combined with ECUR dramatically augmented inhibition of cell survival and enhanced apoptotic induction. The enhanced apoptosis was accompanied by mitochondria-dependent apoptotic signaling activation and corroborated with significant cellular morphological alternations.

CONCLUSION:

Apoptosis was the major event contributing to the synergistically boosted antiproliferative effect. Coupling DCA treatment with curcumin may rationally be expected to lower the DCA dose needed and relatively reduce accompanying toxicity and oxidative damage while enhancing anticancer potential. This novel 'add-on' approach is, thus, of enormous value to the current DCA therapy.

KEYWORDS:

Combination therapy; curcumin; dichloroacetate

PMID:
30396945
DOI:
10.21873/anticanres.12981
[Indexed for MEDLINE]

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