[Radioprotective effect of synthetic immunomodulators on hemopoietic CFU-S].
Sëmina. O V OV; Semenets. T N TN; Deĭgin. V I VI; Korotkov. A M AM; Poverennyĭ. A M AM
Key Findings
- Thymogen and thymohexin reduced radiation‑induced damage to CFU‑S cells by about 50% at 1 Gy
- After a 4 Gy radiation exposure, treated subjects showed faster restoration of CFU‑S populations than untreated controls
- Both peptides act as immunomodulators with measurable radioprotective effects in the experimental setting
Practical Outcomes
- For biohackers, the data suggest a potential avenue for radiation protection, but the findings are preliminary and not ready for self‑administration. More research is needed to determine safe doses, delivery methods, and real‑world effectiveness before incorporating these peptides into personal health protocols.
Summary
The study shows that two synthetic peptides, thymogen and thymohexin, can protect blood‑forming stem cells from radiation damage, cutting the harm in half at a low dose and helping the cells recover faster after a higher dose. However, the work is early‑stage, done in lab models, and doesn’t give dosing or safety info for people.
Abstract
The radiotherapeutic effect of thymogen (Glu-Trp) and thymohexin (Arg-Lys-Asp-Val-Tyr-Arg) synthetic peptide immunomodulators was investigated. Both thymogen and thymohexin were demonstrated to be able to reduce the damaging effect of ionizing radiation (1 Gy) on CFU-S by half. The treatment by these preparations after irradiation at dose of 4 Gy leads to more intensive restoration of CFU-S population as compared with control.
Study Information
pubmed
1993