Study summary · research use only
Reparative and Antioxidant Effects of New Analogues of Immunomodulator Thymogen in Experimental Model of Liver Damage
Plain-language summary
Paraphrased from the published abstract below — not a verdict on whether anything works.
This study (species not specified) examined the reparative and antioxidant effects of Thymogen and new structural analogues, created by attaching the amino acid D-Ala to the N- or C-end of the peptide, in a model of acute toxic liver damage. Intragastric administration of carbon tetrachloride for 5 days caused fatty degeneration of hepatocytes, decreased catalase activity, and increased malondialdehyde concentration. Administration of the peptides was associated with suppressed oxidative peroxidation and stimulated hepatocyte regeneration; the Thymogen analogues produced more pronounced hepatotropic and antioxidant effects than Thymogen itself. Adding D-Ala enhanced Thymogen's effect on hepatocyte regeneration and antioxidant activity during acute carbon tetrachloride-induced liver damage, with the greatest effect seen when the amino acid was added to the C-end of the molecule.
Abstract
We studied the reparative and antioxidant effects of Thymogen and its new structural analogues obtained by binding amino acid D-Ala to the N- or C-end of the peptide molecule in acute toxic hepatopathy. Intragastric administration of carbon tetrachloride for 5 days caused the development of fat degeneration of hepatocytes, a decrease in catalase activity, and an increase in malondialdehyde concentration. Administration of peptides suppressed oxidative peroxidation and stimulated reparative regeneration of hepatocytes; Thymogen analogues produced more pronounced hepatotropic and antioxidant effects than Thymogen. Inclusion of D-Ala enhanced the effect of Thymogen on the processes of regeneration in hepatocytes and the antioxidant effect under conditions of acute carbon tetrachloride hepatopathy. The highest efficiency was achieved when the amino acid was added to the C-end of the molecule.
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