Evaluation of lipid profile and oxidative stress in STZ-induced rats treated with antioxidant vitamin

The present study investigated the effect of supplementation of vitamin E on streptozotocin (STZ)-induced diabetic rats by measuring blood glucose, changes in body weight, food and water intake, lipid profile, serum urea and creatinine level, and antioxidant enzyme activity. Male Wistar rats were di...

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Main Authors: Danielle Ayr Tavares de Almeida, Camila Pereira Braga, Ethel Lourenzi Barbosa Novelli, Ana Angélica Henrique Fernandes
Format: Article
Language:English
Published: Instituto de Tecnologia do Paraná (Tecpar) 2012-08-01
Series:Brazilian Archives of Biology and Technology
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000400007
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author Danielle Ayr Tavares de Almeida
Camila Pereira Braga
Ethel Lourenzi Barbosa Novelli
Ana Angélica Henrique Fernandes
author_facet Danielle Ayr Tavares de Almeida
Camila Pereira Braga
Ethel Lourenzi Barbosa Novelli
Ana Angélica Henrique Fernandes
author_sort Danielle Ayr Tavares de Almeida
collection DOAJ
description The present study investigated the effect of supplementation of vitamin E on streptozotocin (STZ)-induced diabetic rats by measuring blood glucose, changes in body weight, food and water intake, lipid profile, serum urea and creatinine level, and antioxidant enzyme activity. Male Wistar rats were divided into four groups: control rats (GI); rats receiving vitamin E (GII); STZ-induced diabetic rats (GIII) and STZ-induced diabetic rats treated with vitamin E (GIV). Vitamin E reduced (p<0.05) blood glucose and urea, improved the lipid profile (decreased the serum levels of total cholesterol, LDL cholesterol, VLDL cholesterol and triacylglycerols, and increased HDL cholesterol) and increased total protein in STZ-induced diabetic rats (GIV). Vitamin prevented changes in the activity of SOD and GSH-Px and in the concentration of lipid hydroperoxide. These results suggested that vitamin E improved hyperglycaemia and dyslipidaemia while inhibiting the progression of oxidative stress in STZ-induced diabetic rats.
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spelling doaj.art-153043b7cf77405385cfbf1e301dc3ec2022-12-21T18:59:51ZengInstituto de Tecnologia do Paraná (Tecpar)Brazilian Archives of Biology and Technology1516-89131678-43242012-08-0155452753610.1590/S1516-89132012000400007Evaluation of lipid profile and oxidative stress in STZ-induced rats treated with antioxidant vitaminDanielle Ayr Tavares de AlmeidaCamila Pereira BragaEthel Lourenzi Barbosa NovelliAna Angélica Henrique FernandesThe present study investigated the effect of supplementation of vitamin E on streptozotocin (STZ)-induced diabetic rats by measuring blood glucose, changes in body weight, food and water intake, lipid profile, serum urea and creatinine level, and antioxidant enzyme activity. Male Wistar rats were divided into four groups: control rats (GI); rats receiving vitamin E (GII); STZ-induced diabetic rats (GIII) and STZ-induced diabetic rats treated with vitamin E (GIV). Vitamin E reduced (p<0.05) blood glucose and urea, improved the lipid profile (decreased the serum levels of total cholesterol, LDL cholesterol, VLDL cholesterol and triacylglycerols, and increased HDL cholesterol) and increased total protein in STZ-induced diabetic rats (GIV). Vitamin prevented changes in the activity of SOD and GSH-Px and in the concentration of lipid hydroperoxide. These results suggested that vitamin E improved hyperglycaemia and dyslipidaemia while inhibiting the progression of oxidative stress in STZ-induced diabetic rats.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000400007vitamin Elipid profileoxidative stressSTZ
spellingShingle Danielle Ayr Tavares de Almeida
Camila Pereira Braga
Ethel Lourenzi Barbosa Novelli
Ana Angélica Henrique Fernandes
Evaluation of lipid profile and oxidative stress in STZ-induced rats treated with antioxidant vitamin
Brazilian Archives of Biology and Technology
vitamin E
lipid profile
oxidative stress
STZ
title Evaluation of lipid profile and oxidative stress in STZ-induced rats treated with antioxidant vitamin
title_full Evaluation of lipid profile and oxidative stress in STZ-induced rats treated with antioxidant vitamin
title_fullStr Evaluation of lipid profile and oxidative stress in STZ-induced rats treated with antioxidant vitamin
title_full_unstemmed Evaluation of lipid profile and oxidative stress in STZ-induced rats treated with antioxidant vitamin
title_short Evaluation of lipid profile and oxidative stress in STZ-induced rats treated with antioxidant vitamin
title_sort evaluation of lipid profile and oxidative stress in stz induced rats treated with antioxidant vitamin
topic vitamin E
lipid profile
oxidative stress
STZ
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000400007
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AT ethellourenzibarbosanovelli evaluationoflipidprofileandoxidativestressinstzinducedratstreatedwithantioxidantvitamin
AT anaangelicahenriquefernandes evaluationoflipidprofileandoxidativestressinstzinducedratstreatedwithantioxidantvitamin