Ameliorating Effect of Dimethylsulfoniopropionate on the 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine-Induced Parkinson's Disease of Mice
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概要
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The effect of dimethylsulfoniopropionate (DMSP) on the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-induced Parkinson's disease (PD) of mice was examined for 5 d. The distilled water (the control group) and the DMSP solution at 5×10^<-4> M (the DMSP group) were supplemented ad libitum to six mice each in two groups for 2 wk. An appropriate amount of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) solution (20mg/kg body wt) was then intraperitoneally injected into all the test mice once a day initially for 3 d, which definitely made the control mice similar to the PD-model mice. The moving ability (running power) of the mice in both groups was measured using an automatic Wheel Running Instrument. The immobility duration of the upside-down mice in both groups was estimated by a newly developed polygraph (RMP-6008M, Nihon Koden Co., Ltd., Japan). The results indicated that the mice in the DMSP group showed a stronger moving ability and a shorter immobility duration compared to the mice in the control group during the experimental period. Furthermore, the amounts of catecholamines (dopamine and norepinephrine) in the brains except for the cerebellums of all the test mice were estimated 2 d after the last MPTP injection, which demonstrated that the brains of the mice in the DMSP group accumulate larger amounts of catecholamines, especially dopamine, than them in the control group. Accordingly, the administration of low concentrations of DMSP proved to prevent and/or ameliorate the decreased mobility and the typical immobility (Akinesia) of the MPTP-induced PD-model mice probably due to increased amounts of dopamine in the brains of the DMSP group mice.
- 日本ビタミン学会の論文
著者
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NAKAJIMA Kenji
Laboratory of Biochemistry, Faculty of Nutrition, Koshien University
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Minematsu Masaharu
Department Of Nutritional Sciences For Well-being Kansai University Of Welfare Sciences
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Nakajima Kenji
Laboratory Of Biochemistry College Of Agriculture
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NAKAJIMA Kenji
Laboratory of Biochemisry, College of Nutrition, Koshien University
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