Radioprotective profile of Urtica dioica L. seed extract on oxidative DNA-damage in liver tissue and whole blood of radiation-administered rats

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Çakır T. , Yıldızhan K. , Huyut Z. , Uyar A. , Arihan O.

BRAZILIAN JOURNAL OF PHARMACEUTICAL SCIENCES, cilt.56, 2020 (SCI İndekslerine Giren Dergi) identifier


It was aimed to investigate the radioprotective activity of Urtica dioica L. seed extract (UDSE) in the vvho le blood and liver of radiation-administered rats, both biochemically and immunohistochemically. 32 rats were divided into 4 groups (n:8). Control group (C): no administration for 10 days. Radiation group (IR): fed pellets for 10 days after exposure to radiation. Radiation + UDSE (IR+UDSE) group: exposed to radiation and fed UDSE for 10 days. UDSE group (UDSE): fed UDSE for 10 days. Radiation (5Gy ) was given as a single fraction. 8-hydroxy-2-deoxyguanosine (8-OHdG) and deoxyguanosine (dG) levels were analyzed by biochemical method and glutathione peroxidase 1 (GPx-1) analyses were performed by immunohistochemical method in the liver and blood tissues of the rats. The increased 8-OHdG rates and decreased GPx-1 immunorcactivity was observed in the IR group. Those parameters were ameliorated in the IR+UDSE group when compared to the IR group. UDSE is likely to be a valuable radioprotector against the harmful effects of radiation.