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Neurochemichal aspects of the pharmacological effect of 2,3,4-trimethoxy-N’-(8-methyl-8-azabicyclo[3.2.1.] octan-3-ylidene) benzohydrazide hydrochloride (LK-933)

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The objective of this study was to investigate the effects of 2,3,4-trimethoxy-N'-(8-metyl-8-azabicyclo[3.2.1.] octan-3-ylidene) benzohydrazide hydrochloride (LK-933), a compound of the tropane group with anxiolytic and antimigraine activity, on the levels of monoamines and their metabolites in different brain structures of outbred mice using HPLC–ED. Administration of LK-933 caused an increase in the composite characteristics that describe the rate of dopamine transformation into its metabolites dioxyphenylacetic acid and homovanillic acid in the frontal cortex by 114 and 181%, respectively. The levels of homovanillic acid in the same structure increased by 49%. These data implicate the dopaminergic pathway in the mechanism of LK-933 action.

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Correspondence to P. L. Naplekova.

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Original Russian Text © P.L. Naplekova, V.B. Narkevich, V.S. Kudrin, L.M. Kostochka, T.A. Voronina, 2017, published in Neirokhimiya, 2017, Vol. 34, No. 3, pp. 242–246.

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Naplekova, P.L., Narkevich, V.B., Kudrin, V.S. et al. Neurochemichal aspects of the pharmacological effect of 2,3,4-trimethoxy-N’-(8-methyl-8-azabicyclo[3.2.1.] octan-3-ylidene) benzohydrazide hydrochloride (LK-933). Neurochem. J. 11, 242–245 (2017).

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