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AN ASSESSMENT OF THE FERROKINETIC INDICES IN RATS WITH TOXIC HEPATITIS UNDER THE CONDITIONS OF ALIMENTARY DEPRIVATION OF PROTEIN.

The ferrokinetic indices of blood serum of rats with acetaminophen-induced hepatitis under the conditions of alimentary deprivation of protein were assessed in the work. Research was conducted on 4 groups of animals: 1 - control; 2 - rats maintained on low-protein diet; 3 - rats with acute acetaminophen-induced hepatitis, maintained on full-value ration, 4 - rats with acute acetaminophen-induced hepatitis, maintained under the conditions of alimentary deprivation of protein. The serum iron content of and serum iron binding capacity were determined colorimetrically,% of the transferrin iron saturation - as a ratio of serum iron concentration to maximal iron binding capacity of serum transferrin. The presence of hemosiderin inclusions and the character of hemosiderosis were determined in the liver sections, stained by Perls method. Qualitative determination of C-reactive protein in blood serum was carried out by immunoenzymatic method. It is shown, that in protein-deficiency rats any significant changes of iron metabolism indices and hemosiderin accumu- lation weren't observed. At the same time in rats with acetaminophen-induced hepatitis the 5-fold increase of the serum iron content against the background non-significant increase of serum iron binding capacity and the 2-fold increase of the transferrin iron saturation is established. Simultaneously in the hepatocytes and reticuloendothelial system cells the accumulation of hemosiderin in the low dispersion form is observed, equating the second degree of hemosiderosis on the background emerging of C-reactive protein in serum. In protein-deficiency rats with toxic liver injury an abrupt increase of serum iron against the background reduction of the total serum iron binding capacity and maximal saturation of transferrin by iron ions is observed. It is established, that for animals from current group the third degree of mixed type hemosiderosis and the intensification of the inflammatory reaction in liver is characterstic. Conclusion was made, that alimentary deprivation of protein under the conditions of toxic liver injury is the critical factor for structural-functional state of liver, being accompanied by the iron metabolism disturbances, development of hemosiderosis and intensification of the inflammatory reaction in liver. Research results may be used for the biochemical rationale of the therapeutic approaches for the elimination and correction of the toxic liver injury consequences.