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1.
Indian J Exp Biol ; 2013 Feb; 51(2): 149-156
Artigo em Inglês | IMSEAR | ID: sea-147578

RESUMO

The present study reports protective effect of hydro-alcoholic extract of Luffa acutangula (HAELA) on doxorubicin (DXR) induced cardio and nephro toxicity in mice by studying various serum biomarkers, antioxidants in target organs and histoarchitecture alterations. Pretreatment with HAELA reversed significantly the elevated serum biomarkers, alanine amino transferase, lactate dehydrogenase and creatinine phosphokinase in heart and kidney in DXR treated mice. In addition, HAELA treatment inhibited elevated malondialdehyde formation and restored the depleted glutathione, catalase, superoxide dismutase in heart and kidney tissue. The altered histoarchitecture of heart and kidney tissue due to DXR treatment were also improved with HAELA. The protective activity observed with HAELA on DXR induced cardio and nephrotoxicity in mice was found to be related to its antioxidant property which finally results in membrane stabilization.


Assuntos
Administração Oral , Animais , Antioxidantes/metabolismo , Biomarcadores/sangue , Doenças Cardiovasculares/sangue , Doenças Cardiovasculares/tratamento farmacológico , Doxorrubicina , Feminino , Rim/efeitos dos fármacos , Rim/patologia , Nefropatias/sangue , Nefropatias/tratamento farmacológico , Luffa/química , Masculino , Camundongos , Miocárdio/patologia , Fitoterapia , Extratos Vegetais/administração & dosagem , Extratos Vegetais/farmacologia , Extratos Vegetais/uso terapêutico , Coloração e Rotulagem , Testes de Toxicidade Aguda
2.
Indian J Exp Biol ; 2010 Aug; 48(8): 822-829
Artigo em Inglês | IMSEAR | ID: sea-145036

RESUMO

Hepatoprotective activity of hydroalcoholic extract of Luffa acutangula (HAELA) against carbon tetrachloride (CCl4) and rifampicin-induced hepatotoxicity in rats was evaluated and probable mechanism(s) of action has been suggested. Administration of standard drug- silymarin and HAELA showed significant hepatoprotection against CCl4 and rifampicin induced hepatotoxicity in rats. Hepatoprotective activity of HAELA was due to the decreased levels of serum marker enzymes viz., (AST, ALT, ALP and LDH) and increased total protein including the improvement in histoarchitecture of liver cells of the treated groups as compared to the control group. HAELA also showed significant decrease in malondialdehyde (MDA) formation, increased activity of non-enzymatic intracellular antioxidant, glutathione and enzymatic antioxidants, catalase and superoxide dismutase. Results of this study demonstrated that endogenous antioxidants and inhibition of lipid peroxidation of membrane contribute to hepatoprotective activity of HAELA.

3.
Indian J Exp Biol ; 2010 Jan; 48(1): 39-45
Artigo em Inglês | IMSEAR | ID: sea-144939

RESUMO

In the present study, anti-inflammatory and analgesic effect of aqueous extract of Ficus bengalensis (AEFB) and methanolic extract of F. bengalensis (MEFB) was evaluated in animal models. Preliminary results indicated that MEFB treatment possesses significant anti-inflammatory potential as compared to AEFB. The anti-inflammatory activity of MEFB exhibited in both acute (carrageenan induced hind paw edema and acetic acid induced vascular permeability) and sub-chronic (cotton pellet-induced granuloma) models of inflammation was found to be significant. In addition, the extract also showed significant analgesic activity in acetic acid induced writhing. Pretreatment with MEFB during inflammatory condition (both acute and sub-chronic) prevented increase in malondialdehyde (MDA) formation and myeloperoxidase activity in edematous as well as granulomatous tissue. Further, serum marker enzymes (AST, ALT and ALP) increased in inflammatory conditions were also inhibited with MEFB treatment. Hence, the anti-inflammatory activity observed in the present study with MEFB could be attributed largely to its antioxidant and lysosomal membrane stabilizing effects.

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