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Arch Med Res. 2017 Jan;48(1):55-63. doi: 10.1016/j.arcmed.2017.01.010.

Mitochondria As the Target for the Modulatory Effect of Curcumin in Oxaliplatin-induced Toxicity in Isolated Rat Liver Mitochondria.

Author information

1
Department of Medical Elementology and Toxicology, Jamia Hamdard (Hamdard University), New Delhi, India.
2
Department of Biochemistry, Jamia Hamdard (Hamdard University), New Delhi, India. Electronic address: heenatabassum@jamiahamdard.ac.in.

Abstract

BACKGROUND AND AIMS:

To explore hepatoprotective action of curcumin (CMN, a bioflavonoid) on oxaliplatin (Oxa)-triggered mitochondrial oxidative stress and respiratory chain complexes in liver of rats. Oxa is a ubiquitously utilized platinum-based chemotherapeutic agent commonly used for the treatment of colorectal cancer. Mitochondria have recently emerged as targets for anticancer drugs in several kinds of toxicity including hepatotoxicity that can lead to neoplastic disease. There is a dearth of evidence involving the role of mitochondria in mediating Oxa-evoked hepatotoxicity and its underlying mechanism is still debatable.

METHODS:

The study was performed in mitochondria isolated from liver of Wistar rats. Oxa (200 μg/mL) and CMN (5 μmol) were incubated under in vitro conditions.

RESULTS:

Oxa evoked a significant increase in the membrane lipid peroxidation (LPO) levels, protein carbonyl (PC) contents, decrease in reduced glutathione (GSH) and nonprotein thiol (NP-SH) levels. Oxa also caused a marked decline in the activities of enzymatic antioxidants and respiratory chain enzymes (I, II, III and V) in liver mitochondria. CMN pre-treatment significantly prevented the activities of enzymatic antioxidants and mitochondrial respiratory chain enzymes. CMN also restored the LPO and PC contents, GSH and NP-SH levels in liver mitochondria.

CONCLUSION:

CMN intake might be effective in regulation of Oxa-evoked mitotoxicity during chemotherapy. Moreover, it is included in the armamentarium for anticancer agent-induced oxidative stress.

KEYWORDS:

Antioxidants; Curcumin; Mitochondria; Oxaliplatin; Oxidative stress

PMID:
28577870
DOI:
10.1016/j.arcmed.2017.01.010
[Indexed for MEDLINE]

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