Abstract
A labeled norepinephrine analogue was prepared by bromination of norepinephrine with subsequent debromination with tritium or deuterium gas. The yield of tritiated norepinephrine was 10–20% with a molar radioactivity of 27 Ci/mmol. The biological activity of tritiated norepinephrine was evaluated by analyzing its specific capture by noradrenergic neutrons in thick sections of the brainstem and midbrain of Wistar rats, and in a suspension of cells of pheochromocytoma PC12 expressing the membrane transporter of norepinephrine. It is shown that tritium-labeled norepinephrine synthesized by the proposed method does not differ in biological activity from the natural norepinephrine.
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Original Russian Text © V.P. Shevchenko, I.Yu. Nagaev, T.S. Pronina, K.V. Shevchenko, A.R. Murtazina, S.A. Surkov, M.V. Ugryumov, N.F. Myasoedov, 2018, published in Doklady Akademii Nauk, 2018, Vol. 480, No. 5, pp. 551–554.
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Shevchenko, V.P., Nagaev, I.Y., Pronina, T.S. et al. Synthesis of Deuterium- or Tritium-Labeled Norepinephrine and Evaluation of Its Biological Activity. Dokl Chem 480, 117–120 (2018). https://doi.org/10.1134/S001250081806006X
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DOI: https://doi.org/10.1134/S001250081806006X