Hepatoprotective Effects of Thymogen Analogues in Hydrazine Hepatopathy in Rats.
Chulanova. A A AA; Smakhtina. A M AM; Mal. G S GS; Bobyntsev. I I II; Smakhtin. M Yu MY; Mishina. E S ES; Kopeykin. P M PM; Bogomolova. E G EG
Key Findings
- Low‑dose thymogen and its D‑alanine analogues reduced liver oxidative stress in rats
- The analogue with D‑alanine at the C‑terminus was the most effective
- Increasing the dose to 10‑fold did not improve protection
Practical Outcomes
- The results are interesting but not ready for self‑experimentation: they’re in rats, require injection, and lack human safety or dosing data. Biohackers should wait for human studies before considering any liver‑protective use of thymogen or similar peptides.
Summary
In a rat study, tiny doses of the peptide thymogen and its variants helped protect the liver from chemical damage, especially a version with an extra D‑alanine at the end, but bigger doses didn’t add extra benefit. The work was done by injecting the peptides directly into the animals, not by oral or other realistic routes for people.
Abstract
We studied the reparative and antioxidant effects of thymogen (10 and 100 μg/kg) and its modifications in equimolar doses (12 and 120 μg/kg) obtained by attaching the amino acid D-alanine (D-Ala) to the N- or C-terminus of the peptide molecule. A single intraperitoneal injection of hydrazine hydrochloride caused a decrease in catalase activity and an increase in molondialdehyde (MDA) concentration. Administration of peptides in lower doses inhibited LPO and stimulated reparative regeneration of hepatocytes. Thymogen analogue with D-Ala at the C-terminus was most effective. Increasing the doses of thymogen (100 μg/kg) and its analogues (120 μg/kg) did not lead to further increase in their hepatoprotective activity.
Study Information
pubmed
2025
2025-05-29T00:00:00.000Z
10.1007/s10517-025-06405-y
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