title: [Effect of Baichanting Compound on Dopamine Contents in Parkinson's Disease Model Mice].
abstract: OBJECTIVE
  To observe the effect of Baichanting Compound (BC) on dopamine (DA) in striatum of Parkinson's disease (PD) mice, and to screen the optimal component proportion.
  
  
  METHODS
  The PD model was established in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) induced C57BL/6 mice. By using uniform design, they were intervened by three extracts of BC in different proportions [Acanthopanax senticosus extract (X1): white peony root extract (X2): Uncaria rhynchophylla extract (X3) = 30.00: 34.92: 82.50, 48.00: 19.98: 72.19, 18.00: 44.88: 61.88, 36.00: 29.94: 51.56, 54.00: 15.00: 41.25, 24.00: 39.90: 30.94, 42.00: 24.96: 20.63). Equal volume of 5% carboxymethylcellulose sodium was administered to mice in the model group and the normal group by gastrogavage. All medication was lasted for 20 successive days. The dopamine (DA) content was determined by ultra performance liquid chromatography tandem mass spectrometry (UPLC-MS). Except 10 in the normal group, 20 PD model mice were screened and divided into the model group and the BC group (with the optimal proportion) according to random digit table. BC extract in optimal proportion was administered to mice in the BC group by gastrogavage, while equal volume of 5% carboxymethylcellulose sodium was administered to mice in the model group and the normal group by gastrogavage. All medication was lasted for 20 successive days. Praxiology was observed in each group. DA content in striatum was also detected. Results Compared with the normal group, the DA content in striatum decreased significantly in the model group (P < 0.01), suggesting a successful PD modeling. Compared with the model group, the DA content in striatum increased significantly in 1 and 2 groups (P<0.05). According to results of quadratic polynomial stepwise regression statistics, the regression equation obtained was: Y = 0.265 + 0.026 X 2 - 0.056 X 3 + 0.334 x 10(-3) x X1 x X3 + 0.691 x 10(-3) X X3(2). X3 extract was the main factor influencing the effectiveness (P < 0.01). The optimal proportion of BC was predicted by the regression equation: X1 = 54.00 mg/(kg x d), X2 = 44.88 mg/(kg x d), the X3 = 82.50 mg/(kg x d). The pole climbing time was shortened, times of autonomic activities increased, DA content was elevated, all with statistical difference in BC groups (P < 0.01, P < 0.05).
  
  
  CONCLUSIONS
  BC could increase DA content in PD model mice with the optimal proportion as 54.00: 44.88: 82.50.
authors.forename: Yan-dong
authors.initials: YD
authors.lastname: Ren
authors.forename: Yue-e
authors.initials: YE
authors.lastname: Jing
authors.forename: Shu-xiang
authors.initials: SX
authors.lastname: Zhang
authors.lastname: Wang Hong-yu
authors.forename: Fang
authors.initials: F
authors.lastname: Lu
authors.forename: Shu-min
authors.initials: SM
authors.lastname: Liu
mesh_terms: D015632:1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; D000818:Animals; D004195:Disease Models, Animal; D004298:Dopamine / Q000378:metabolism*; D004365:Drugs, Chinese Herbal / Q000494:pharmacology / Q000627:therapeutic use*; D013058:Mass Spectrometry; D051379:Mice; D008810:Mice, Inbred C57BL; D009043:Motor Activity; D010300:Parkinson Disease / Q000188:drug therapy* / Q000378:metabolism
chemical_list: D004365:Drugs, Chinese Herbal; D015632:1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; D004298:Dopamine