Abstract
To assess the efficacy of transcranial electrostimulation TES for treatmnet of anxiety-like behavior and motor disorders in rats with rotenone-induced parkinsonism. The study was performed on 30 mature male-rats. Animals were divided into following groups: control, intact rats (group 1); rats with an experimental model of parkinsonism without treatment (group 2); rats with an experimental model of parkinsonism, which had 7 sessions of TES-therapy (group 3), the number of rats in each group was 10. The parkinsonism model was achieved by daily rotenone administration for 28 days. Parkinsonism's markers were assessed using 3-point scale; anxiety-like behavior and motor activity were assessed in the open-field test. TES was performed using TRANSAIR-stimulator for 7 days. Substantia nigra slices were stained with hematoxylin and Lillie's staining for neuromelanin. The rats of group 3 show less neurological deficits, less anxiety-like behavior and less neurodegeneration in the substantia nigra. There are a decrease in individual total scores of motor disorders by 50%, a decrease in the level of anxiety-like behavior or the absence of its increase in the open-field test. TES-therapy may be used as an additional non-pharmacological treatment of motor and related non-motor damage in Parkinson's disease.
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