Alterations in mitochondrial membrane in chemopreventive action of fish oil.

Gayatri Sharma, Isha Rani, Shevali Kansal, Archana Bhatnagar, Navneet Agnihotri

Department of Biochemistry, Panjab University, Chandigarh, India.

Cancer investigation 2013 May

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Mitochondria are major regulators of pathways related to tumorigenesis; therefore, mitochondrial membrane characteristics and associated cell signaling events were evaluated with different ratios of fish oil (FO) and corn oil (CO) in experimental colon carcinogenesis. Treatment with carcinogen 1,2-dimethylhydrazine (DMH) altered reactive oxygen species (ROS), Ca(2+), and membrane characteristics, which resulted in an elevation in apoptosis in initiation phase and reduction in post-initiation phase. FO+CO(2.5:1)+DMH treatment, however, altered mitochondrial membrane parameters, ROS, and Ca(2+) to increase apoptosis in both phases, whereas FO+CO(1:1)+DMH treatment enhanced apoptosis only in post-initiation phase suggesting that FO supplementation in higher ratio has better chemopreventive efficacy.

Citation

Gayatri Sharma, Isha Rani, Shevali Kansal, Archana Bhatnagar, Navneet Agnihotri. Alterations in mitochondrial membrane in chemopreventive action of fish oil. Cancer investigation. 2013 May;31(4):231-40