Abstract
The mRNA for dopamine receptors of type D1, D3, D5, but not type D2, was detected in the thymus of rats starting from day 16 of embryonic development (E16). Dopamine at concentrations of 10–8–10‒6 M inhibited fetus thymocyte response to mitogen, confirming the functionality of the receptors and the possibility of a direct effect of dopamine on the developing thymus. Pharmacological inhibition of catecholamine synthesis in the crucial period of thymus development leads to long-term changes in the T-system immunity due to increased production of natural regulatory T-lymphocytes. The presence and functional activity of dopamine receptors in the fetal thymus indicates its ability to influence the development of the immune system of rats during ontogeny.
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Original Russian Text © N.V. Lifantseva, Ts.O. Koneeva, S.N. Voronova, L.A. Zakharova, V.I. Melnikova, 2016, published in Doklady Akademii Nauk, 2016, Vol. 470, No. 3, pp. 357–359.
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Lifantseva, N.V., Koneeva, T.O., Voronova, S.N. et al. The inhibition of dopamine synthesis in fetuses changes the pattern of T-lymphocyte maturation in the thymus of adult rats. Dokl Biochem Biophys 470, 342–344 (2016). https://doi.org/10.1134/S1607672916050082
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DOI: https://doi.org/10.1134/S1607672916050082