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[Change in the lipid composition of the inner mitochondrial membranes in rat organs during adaptation to heat].

Under conditions of adaptation to heating lipid composition in mitochondrial membranes of rat inner tissues was altered as follows: an increase in relative concentration of plasmalogenous forms of phospholipids (kidney, heart) and in content of saturated fatty acids (liver tissue), a decrease in the index of fatty acids unsaturation and in the ratio of fatty acids omega-3/omega-6. The alterations observed enabled the membranes to keep sufficient amount of liquidity essential for functional activity of mitochondria in heating.