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Amitriptyline Attenuates Ca2+ Responses Induced by Glutoxim and Molixan in Macrophages
Z I Krutetskaya1, L S Milenina2, A A Naumova2
1St. Petersburg State University, St. Petersburg, 199034, Russia. z.krutetskaya@spbu.ru.
Abstract:
Using Fura-2AM microfluorimetry, we have shown for the first time that sigma-1 receptor agonist, tricyclic antidepressant amitriptyline, significantly inhibits glutoxim- and molixan-induced Ca2+-responses in rat peritoneal macrophages. The results suggest possible involvement of sigma-1 receptors in the signaling cascade induced by glutoxim or molixan and leading to intracellular Ca2+ concentration increase in macrophages.
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