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Cranberry (Vaccinium macrocarpon) protects against doxorubicin-induced cardiotoxicity in rats. 2010

Ahmed A Elberry, and Ashraf B Abdel-Naim, and Essam A Abdel-Sattar, and Ayman A Nagy, and Hisham A Mosli, and Ahmed M Mohamadin, and Osama M Ashour
Department of Clinical Pharmacy, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia.

Doxorubicin (DOX) is a widely used cancer chemotherapeutic agent. However, it generates free oxygen radicals that result in serious dose-limiting cardiotoxicity. Supplementations with berries were proven effective in reducing oxidative stress associated with several ailments. The aim of the current study was to investigate the potential protective effect of cranberry extract (CRAN) against DOX-induced cardiotoxicity in rats. CRAN was given orally to rats (100mg/kg/day for 10 consecutive days) and DOX (15mg/kg; i.p.) was administered on the seventh day. CRAN protected against DOX-induced increased mortality and ECG changes. It significantly inhibited DOX-provoked glutathione (GSH) depletion and accumulation of oxidized glutathione (GSSG), malondialdehyde (MDA), and protein carbonyls in cardiac tissues. The reductions of cardiac activities of catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) and glutathione reductase (GR) were significantly mitigated. Elevation of cardiac myeloperoxidase (MPO) activity in response to DOX treatment was significantly hampered. Pretreatment of CRAN significantly guarded against DOX-induced rise of serum lactate dehydrogenase (LDH), creatine phosphokinase (CK), creatine kinase-MB (CK-MB) as well as troponin I level. CRAN alleviated histopathological changes in rats' hearts treated with DOX. In conclusion, CRAN protects against DOX-induced cardiotoxicity in rats. This can be attributed, at least in part, to CRAN's antioxidant activity.

UI MeSH Term Description Entries
D008297 Male Males
D008315 Malondialdehyde The dialdehyde of malonic acid. Malonaldehyde,Propanedial,Malonylaldehyde,Malonyldialdehyde,Sodium Malondialdehyde,Malondialdehyde, Sodium
D009206 Myocardium The muscle tissue of the HEART. It is composed of striated, involuntary muscle cells (MYOCYTES, CARDIAC) connected to form the contractile pump to generate blood flow. Muscle, Cardiac,Muscle, Heart,Cardiac Muscle,Myocardia,Cardiac Muscles,Heart Muscle,Heart Muscles,Muscles, Cardiac,Muscles, Heart
D010088 Oxidoreductases The class of all enzymes catalyzing oxidoreduction reactions. The substrate that is oxidized is regarded as a hydrogen donor. The systematic name is based on donor:acceptor oxidoreductase. The recommended name will be dehydrogenase, wherever this is possible; as an alternative, reductase can be used. Oxidase is only used in cases where O2 is the acceptor. (Enzyme Nomenclature, 1992, p9) Dehydrogenases,Oxidases,Oxidoreductase,Reductases,Dehydrogenase,Oxidase,Reductase
D010936 Plant Extracts Concentrated pharmaceutical preparations of plants obtained by removing active constituents with a suitable solvent, which is evaporated away, and adjusting the residue to a prescribed standard. Herbal Medicines,Plant Extract,Extract, Plant,Extracts, Plant,Medicines, Herbal
D004317 Doxorubicin Antineoplastic antibiotic obtained from Streptomyces peucetius. It is a hydroxy derivative of DAUNORUBICIN. Adriamycin,Adriablastin,Adriablastine,Adriblastin,Adriblastina,Adriblastine,Adrimedac,DOXO-cell,Doxolem,Doxorubicin Hexal,Doxorubicin Hydrochloride,Doxorubicin NC,Doxorubicina Ferrer Farm,Doxorubicina Funk,Doxorubicina Tedec,Doxorubicine Baxter,Doxotec,Farmiblastina,Myocet,Onkodox,Ribodoxo,Rubex,Urokit Doxo-cell,DOXO cell,Hydrochloride, Doxorubicin,Urokit Doxo cell
D004798 Enzymes Biological molecules that possess catalytic activity. They may occur naturally or be synthetically created. Enzymes are usually proteins, however CATALYTIC RNA and CATALYTIC DNA molecules have also been identified. Biocatalyst,Enzyme,Biocatalysts
D005978 Glutathione A tripeptide with many roles in cells. It conjugates to drugs to make them more soluble for excretion, is a cofactor for some enzymes, is involved in protein disulfide bond rearrangement and reduces peroxides. Reduced Glutathione,gamma-L-Glu-L-Cys-Gly,gamma-L-Glutamyl-L-Cysteinylglycine,Glutathione, Reduced,gamma L Glu L Cys Gly,gamma L Glutamyl L Cysteinylglycine
D006321 Heart The hollow, muscular organ that maintains the circulation of the blood. Hearts
D006331 Heart Diseases Pathological conditions involving the HEART including its structural and functional abnormalities. Cardiac Disorders,Heart Disorders,Cardiac Diseases,Cardiac Disease,Cardiac Disorder,Heart Disease,Heart Disorder

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