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Effects of pomegranate flowers polyphenols on liver PON expression of diabetes combining non-alcoholic fat liver diseases rats / 药学学报
Yao Xue Xue Bao ; (12): 71-76, 2013.
Article in Zh | WPRIM | ID: wpr-235702
Responsible library: WPRO
ABSTRACT
To investigate the protective effects and possible mechanism of pomegranate flowers polyphenols (PFP) on liver function of rats with diabetes combining non-alcoholic fat liver diseases, diabetes combining nonalcoholic fat liver disease model rats were established with high calorie feeding and small dose intraperitoneal injection of streptozotocin (STZ). Model rats were randomly divided into: model group, metformin group, pomegranate flowers polyphenols low, medium and high dose group (75, 150 and 300 mg x kg(-1)). After four weeks treatment, the levels of FPG, blood fat profiles and serum insulin, ALT, AST levels, SOD and MDA in the liver and serum separately were analyzed with biochemical methods. Paraoxonase (PON1 and PON3) mRNA and protein expression in liver were checked by RT-PCR and immunohistochemical method. Pathological changes of the liver were observed. FPG, IRI, non-HDL-C and transaminase significantly reduced and HDL-C raised in the each PFP dose group; Furthermore, compared with model group, fat drops in liver cells significantly reduced, antioxidant ability enhanced, PON1 mRNA and protein expression level in liver increased significantly. The protective effects of PFP against diabetes combining non-alcoholic fat liver diseases rats might through the increase liver PON1 mRNA and protein expression further enhanced the body antioxidant capacity and reduced IRI so as to ameliorate the rat hepatic steatosis.
Subject(s)
Full text: 1 Index: WPRIM Main subject: Pathology / Pharmacology / Plants, Medicinal / Aspartate Aminotransferases / Superoxide Dismutase / Blood / Blood Glucose / RNA, Messenger / Random Allocation / Chemistry Limits: Animals Language: Zh Journal: Yao Xue Xue Bao Year: 2013 Type: Article
Full text: 1 Index: WPRIM Main subject: Pathology / Pharmacology / Plants, Medicinal / Aspartate Aminotransferases / Superoxide Dismutase / Blood / Blood Glucose / RNA, Messenger / Random Allocation / Chemistry Limits: Animals Language: Zh Journal: Yao Xue Xue Bao Year: 2013 Type: Article