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  • Title: [The influence of dietary omega-3 polyunsaturated fatty acids on functional parameters of myocardial mitochondria during isoproterenol-induced heart injury].
    Author: Panasiuk OS, Shysh AM, Moĭbenko OO.
    Journal: Fiziol Zh (1994); 2014; 60(1):18-24. PubMed ID: 24809170.
    Abstract:
    We have studied the functional parameters of mitochondria from hearts after isopreterenol-induced injury (two subcutaneous injections of isopreterenol at the dose 60 mg/kg/day). We investigated the influence of dietary omega-3 polyunsaturated fatty acids (omega-3 PUFAs) administered to rats (Epadol, 0.1 mg/100 gr of weight for 4 weeks) on these parameters. Isoproterenol-induced heart injury leads to a decreased parameters of respiration of isolated mitochondria in the presence of succinate. Administration of omega-3 PUFAs significantly restored the respiration rate of mitochondria: the state 3 respiration was increased by 70.12%, the state 4 by 39.87% and the respiratory control ratio by 45.19% compared to the corresponding parameters of experimental group. Also, it was shown the ability of omega-3 PUFAs to decrease mitochondria swelling (by 60%) in nominally free calcium solution. The results of the study indicate that omega-3 PUFAs improve the altered functions of the heart mitochondria evoked by isoproterenol-induced injury.
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