title: [Effects of huanglian jiedu decoction on free radicals metabolism and pathomorphism of the hippocampus in App/PS1 double transgenic mice].
abstract: OBJECTIVE
  To observe the effects of Huanglian Jiedu Decoction (HLJDT) on the metabolism of free radicals, the morphology and histopathology of hippocampal CA1 neurons in PS1/APP double transgenic mice of Alzheimer's disease (AD), and to study its possible mechanisms, thus providing experimental evidence for treating AD by HLJDT.
  
  
  METHODS
  The APP/PS1 double transgenic mouse model was used. Mice were randomly divided into five groups, i. e., the model control group, the positive control group (Aricept), high-, middle-, and low-dose HLJDT group (at the daily dose of 865 mg*kg(-1), 433 mg*kg(-1), and 216 mg*kg(-1), respectively). Corresponding medication was daily given by gastrogavage. Seven months later superoxide dismutase (SOD) and malondialdehyde (MDA) were detected at the ten-month old mice, thus observing the effects on the morphology of CA1 hippocampal neurons and the senile plaques (SP).
  
  
  RESULTS
  HLJDT and Aricept could obviously increase the SOD contents and lower the MDA contents (P<0.05), attenuate the destroy of neurocytes and the formation of SP, effectively hinder the degeneration of hippocampal neurons. Better results were obtained in the middle-dose HLJDT group than in the positive control group (P<0.05).
  
  
  CONCLUSIONS
  The mechanism of HLJDT in treating AD might be possibly correlated with improving anti-oxygenation, protecting hippocampal neurocytes, and reducing the formation of SP.
authors.affiliation: Department of Neurology, Wuhan Hospital of Integrated Traditional and Western Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan.
authors.forename: Xin
authors.initials: X
authors.lastname: Qiu
authors.forename: Guo-hua
authors.initials: GH
authors.lastname: Chen
authors.forename: Tao
authors.initials: T
authors.lastname: Wang
mesh_terms: D000544:Alzheimer Disease / Q000378:metabolism* / Q000473:pathology; D000818:Animals; D004365:Drugs, Chinese Herbal / Q000494:pharmacology*; D005609:Free Radicals / Q000378:metabolism; D006624:Hippocampus / Q000187:drug effects* / Q000473:pathology; D008297:Male; D051379:Mice; D008822:Mice, Transgenic
chemical_list: D004365:Drugs, Chinese Herbal; D005609:Free Radicals; C494417:huanglian