Abstract
Changes in biochemical parameters of blood serum and monoamine metabolism in the brain were studied on male white outbred mice subjected to intraperitoneal injections of 1-methyl-4-(4-fluorophenyl)-1,2,3,6-tetrahydropyridine (MPTP-F). The levels of norepinephrine, dopamine, serotonin and their metabolites — dioxyphenylacetic, homovanilinic and 5-hydroxyindolacetic acids — were neasured by HPLC in the cerebral cortex, hippocampus, olfactory tubercle and striatum of the right and left sides of the brain. The treatement with MPTP-F did not lead to significant changes in the biochemical parameters of blood serum. An increase in the norepinephrine concentration a decrease in the dopamine level in the right striatum were found in animals treated with MPTP-F. No changes were detected in other studied brain areas. It has been suggested that the effect of the neurotoxin MPTP-F is determined by several factors, i. e. the lipophilic properties of the molecule, the quantitative distribution of dopamine neurons between right and left sides of the brain, differences in the linear velocity of blood flow through the right and left carotid arteries and the state of the blood-brain barrier. The results obtained may indicate the prospects of using MPTP-F for modeling the early stage of Parkinson’s disease.
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More From: Laboratornye Zhivotnye dlya nauchnych issledovanii (Laboratory Animals for Science)
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