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[Effect of levorin on the rat liver plasma membranes in experimental fatty dystrophy].

Activity of Na+, K+-ATP- ase and 5'-nucleotidase, the lipid composition of the liver plasmic membranes with toxic and alimentary-alcohol fat dystrophy were studied on rats exposed to water-soluble sodium levorin. It was found that the above forms of the liver fat dystrophy did not change the activity of the enzymes in the membranes but caused significant shifts in the composition of the membrane lipids. The shifts were evident from an increased level of phospholipids in the plasmic membranes. Administration of levorin at the very beginning of the development of both the toxic and the alimentary-alcohol liver fat dystrophy aggravated the increase in the phospholipid level in the membranes. It was supposed that the increase in the phospholipid level due to levorin in the membranes of the liver with fat dystrophy was one of the mechanisms of the drug therapeutic effect in case of such pathology type. Levorin increased the amount of phospholipids in the dystrophic membranes and thus changed the membrane permeability resulting in decreased accumulation of neutral lipids in the hepacytes and subsequently in decreased levels of the liver fat dystrophy.