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[The radiation modifying properties of carnosine]
Radiobiologiia
|November 1, 1990
Summary
Carnosine supplementation before X-irradiation significantly boosted survival rates in mice by 45-65%. Post-irradiation carnosine showed minimal protective effects and inhibited histamine accumulation.
Area of Science:
- Biochemistry
- Radiology
- Pharmacology
Context:
- Investigating the radio-protective effects of carnosine.
- Examining the impact of X-irradiation on biological systems.
- Understanding histamine's role in radiation response.
Purpose:
- To determine the influence of carnosine on survival rates of mice exposed to X-irradiation.
- To evaluate carnosine's efficacy when administered pre- and post-irradiation.
- To assess carnosine's effect on post-irradiation histamine accumulation.
Summary:
- Carnosine (beta-alanyl-l-histidine) administration (50-200 mg/kg/day) for 20 days prior to 5.0 Gy X-irradiation increased mouse survival rates by 45-65%.
- Administering carnosine within 30 days after 5.5 Gy X-irradiation yielded insignificant protective effects.
- Post-irradiation carnosine administration inhibited spleen histamine accumulation.
Impact:
- Carnosine demonstrates significant radio-protective potential when administered prophylactically.
- Findings suggest carnosine may modulate radiation-induced physiological responses, including histamine levels.
- Highlights carnosine as a potential therapeutic agent for mitigating radiation damage.