Abstract
In our previous study of mechanisms of pharmacological activity of a derivative of 2-aminoadamantane, Ladasten, we have shown more than a twofold increase in the mRNA level of the tyrosine hydroxylase (TH) gene in the rat brain hypothalamus 1.5–2.0 h after a single administration of this substance. In the present study, we employed the bisulfate sequencing technique to detect changes of GpG islands methylation status in the TH gene 5′-flanking region (−650)−(+84) in hypothalamus cells of control and experimental rats after a single exposure to Ladasten. Ladasten was shown to increase frequency of cytosine demethylation in binding sites of some transcription factors or in neighboring motifs. It is suggested that the Ladasten-induced increase of TH gene transcriptional activity in rat hypothalamus is associated with cytosine demethylation in CpG islands in some regulatory gene elements.
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Original Russian Text © Yu.V. Vakhitova, S.V. Sadovnikov, R.S. Yamidanov, S.B. Seredenin, 2006, published in Genetika, 2006, Vol. 42, No. 7, pp. 968–975.
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Vakhitova, Y.V., Sadovnikov, S.V., Yamidanov, R.S. et al. Cytosine demethylation in the tyrosine hydroxylase gene promoter in hypothalamus cells of rat brain under the action of 2-aminoadamantane compound Ladasten. Russ J Genet 42, 795–801 (2006). https://doi.org/10.1134/S1022795406070155
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DOI: https://doi.org/10.1134/S1022795406070155