title: [Effect of total alkaloids of Rubus alceaefolius on oxidative stress in rats with non-alcoholic fatty liver disease].
abstract: OBJECTIVE
  To study the effects of total alkaloids of Rubus alceaefolius (RAP) on non-alcoholic fatty liver disease (NAFLD) rats and explore its possible mechanisms.
  
  
  METHODS
  Sixty SD rats were randomly divided into six groups: control group, model group, compound methionine and choline bitartrate tablets (CMCB)group and three RAP groups treated respectively with low, middle and high dose of RAP. The NAFLD model was induced by feeding fat-rich food. NAFLD rats were administrated with 0.35 g x kg(-1) CMCB and 0.36, 0.72, 1.44 g x kg(-1) RAP for 4 weeks respectively. The weight index of liver was measured. Hepatic histolog ical changes were observed. The concentration in serum of aspartate amino transferase (AST), alanine amino tranferase (ALT), tumor necrosis factor-alpha (TNF-alpha) and interleukin-6 (IL-6) were determined. The mRNA expressions of SOD, MDA, TNF-alpha and IL-6 in hepatic tissue were detected.
  
  
  RESULTS
  Compared with the model group, degree of steatosis of hepatic lobule was improved, the weight index of liver was decreased, serum levels of ALT, AST, TNF-alpha and IL-6 were significantly lower in the high and middle dose RAP group (P < 0.05 or P < 0.01). The levels of SOD and MDA in hepatic tissue were lower in the high dose RAP group (P < 0.05). The mRNA expressions of TNF-alpha and IL-6 in hepatic tissue were decreased (P < 0.05 or P < 0.01).
  
  
  CONCLUSIONS
  RAP can protect liver in experimental NAFLD, and its possible mechanisms may be concerned with clearing the oxygen free radical, reducing the product of lipid peroxidation, inhibiting the release of inflammatory cytokines and reducing nflammatory response.
authors: College of Intergrated Traditional and Western Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou 350108, China.
authors: Haiyin
authors: H
authors: Zheng
authors: Jinyan
authors: J
authors: Zhao
authors: Yan
authors: Y
authors: Liu
authors: Yuqing
authors: Y
authors: Zheng
authors: Juan
authors: J
authors: Wu
authors: Zhenfeng
authors: Z
authors: Hong
mesh_terms: D000470:Alkaloids / Q000494:pharmacology*; D000818:Animals; D004195:Disease Models, Animal; D004365:Drugs, Chinese Herbal / Q000494:pharmacology*; D005234:Fatty Liver / Q000188:drug therapy* / Q000378:metabolism; D005260:Female; D006801:Humans; D008099:Liver / Q000187:drug effects / Q000378:metabolism; D008297:Male; D065626:Non-alcoholic Fatty Liver Disease; D018384:Oxidative Stress / Q000187:drug effects*; D051381:Rats; D017207:Rats, Sprague-Dawley; D027824:Rosaceae / Q000737:chemistry*
chemical_list: D000470:Alkaloids; D004365:Drugs, Chinese Herbal