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Pakistan Journal of Pharmaceutical Sciences. 2011; 24 (4): 469-473
em Inglês | IMEMR | ID: emr-137545

RESUMO

Digera muricata [L.] Mart, is a weed and commonly found in waste places, road sides and in maize fields during the summer season. It possesses antioxidant capacity and is locally used for various disorders such as inflammation, urination, as refrigerant, aperient and in sexual anomalies. In this study antioxidant potential of Digera muricata methanol extract [DMME] and n-hexane extract [DMHE] was evaluated against CCl[4]-induced oxidative stress in adrenal gland of Sprague-Dawley male rats. 42 rats were equally divided into 7 groups of 6 rats in each. Group I remained untreated, while Group II treated with vehicles. Group III received only CC1[4] [1 ml/kg b.w., 10% in olive oil] once a week for 16 weeks. Group IV and VI received DMME and DMHE at a dose of 200 mg/kg b.w. along with CC1[4]. Animals of Group V and VII administered with DMME and DMHE alone at a dose of 200 mg/kg b.w. once a week for 16 weeks. Lipid peroxidation significantly increased while activities of antioxidant enzymes [CAT, SOD, GST, GSR and GSH-Px] were reduced in adrenal gland samples by the administration of CC14. Glutathione [GSH] concentration was significantly decreased whereas DNA fragmentation% and AgNORs count was increased in adrenal gland by CC1[4] administration. Treatment of rat by both the extracts [DMME, DMHE] and CC1[4] increased the glutathione level and activities of antioxidant enzymes while reduced the lipid peroxidation, DNA fragmentation percent and AgNORs count in adrenal gland. These results indicate that Digera muricata extract is able to ameliorate oxidative stress in adrenal gland induced by CC1[4] in rat


Assuntos
Animais de Laboratório , Glândulas Suprarrenais/metabolismo , Amaranthaceae/química , Doenças das Glândulas Suprarrenais/induzido quimicamente , Fitoterapia/métodos , Componentes Aéreos da Planta/química , Glutationa Peroxidase , Glutationa Redutase , Extratos Vegetais , Ratos Sprague-Dawley , Superóxido Dismutase/metabolismo , Antígenos Nucleares/metabolismo , Carbono , /farmacologia , Catalase/metabolismo , DNA , /efeitos dos fármacos
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