Antioxidant and antiapoptotic effects of sea cucumber and valsartan against doxorubicin-induced cardiotoxicity in rats: The role of low dose gamma irradiation
Ibrahim, Doaa; Radwan, R.R.; Abdel Fattah, S.M.;
Abstract
© 2016 Elsevier B.V. Doxorubicin (DOX) is a highly effective antineoplastic drug; however, the clinical use of DOX is limited by its dose dependent cardiotoxicity. This study was conducted to evaluate the cardioprotective effect of sea cucumber and valsartan against DOX-induced cardiotoxicity in rats. Also, the role of exposure to low dose γ radiation (LDR) on each of them was investigated, since LDR could suppress various reactive oxygen species-related diseases. Rats received DOX (2.5 mg/kg, ip) in six equal injections over a period of 2 weeks, sea cucumber (14.4 mg/kg, p.o) and valsartan (30 mg/kg, p.o) for 8 successive weeks. Exposure to LDR (0.5 Gy) was performed one day prior to DOX. Results revealed that DOX administration elevated serum levels of aspartate aminotransferase (AST), lactate dehydrogenase (LDH), creatine kinase (CK-MB) and troponin-I as well as increased cardiac lipid peroxide content and myeloperoxidase (MPO) activity. Additionally, it increased cardiac expressions of iNOS and caspase-3, accompanied by reduction in cardiac total protein and glutathione (GSH) contents. Treatment with sea cucumber or valsartan improved the cardiotoxicity of DOX. Their adjuvant therapy with LDR offers an additional benefit to the cardioprotection of the therapeutic drugs. These results confirmed by histopathological examination. In conclusion, sea cucumber and valsartan alone or combined with LDR attenuated DOX-induced cardiotoxicity via their antioxidant and anti-apoptotic activities and thus might be useful in the treatment of human patients under doxorubicin chemotherapy.
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Title | Antioxidant and antiapoptotic effects of sea cucumber and valsartan against doxorubicin-induced cardiotoxicity in rats: The role of low dose gamma irradiation | Authors | Ibrahim, Doaa ; Radwan, R.R. ; Abdel Fattah, S.M. | Issue Date | 2017 | Journal | Journal of Photochemistry and Photobiology B: Biology | DOI | 70 http://www.scopus.com/inward/record.url?eid=2-s2.0-85017116949&partnerID=MN8TOARS 170 1873-2682 10.1016/j.jphotobiol.2017.03.022 |
PubMed ID | 170 | Scopus ID | 2-s2.0-85017116949 |
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