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  • Title: Radioprotection of Swiss albino mice by Prunus avium with special reference to hematopoietic system.
    Author: Sisodia R, Singh S, Mundotiya C, Meghnani E, Srivastava P.
    Journal: J Environ Pathol Toxicol Oncol; 2011; 30(1):55-70. PubMed ID: 21609316.
    Abstract:
    Prunus avium (family Rosaceae) has been used ethnomedicinally for the treatment of many diseases,but its radioprotective efficacy has hardly been explored. Presence of high anthocyanin content and phenolic compound with good antioxidative capacity has been reported by researchers. Its radioprotective effect against 5, 7, 10, and 12 Gygamma radiation was evaluated by 30 day survival assay. Regression analysis yielded LD(50/30) 5.81 and 9.43Gy for irradiated only and (P. avium fruit extract) PAE + radiation groups, respectively. The dose reduction factor was computed as 1.62. For biochemical and hematological studies, Swiss albino mice were divided into four groups: (i) control (vehicle treated), (ii) PAE treated (450 mg kg/day for 15 consequetive days), (iii) irradiated (5 Gy), and (4) PAE + irradiated. The irradiation of animals resulted in a significant elevation of lipid peroxidation and depletion in glutathione and protein levels in blood serum and spleen, which could be significantly checked by administration of PAE. Radiation-induced deficit in blood sugar, cholesterol, and hematological constituents could also be modulated by supplementation of PAE before and after irradiation. The possible prophylactic and therapeutic action noted by P. avium against radiation induced metabolic disorders may be due to synergistic action of various antioxidants, minerals, vitamins, etc., present in the fruit. Further mechanistic studies aimed at identifying the role of major ingredients in the extract are needed.
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