Article
Selenium induces cholinergic motor neuron degeneration in Caenorhabditis elegans.
Neurotoxicology - 1 Oct 2012
Estevez Annette O, Mueller Catherine L, Morgan Kathleen L, Szewczyk Nathaniel J, Teece Luke, Miranda-Vizuete Antonio, Estevez Miguel
Abstract excerpt
Selenium is an essential micronutrient required for cellular antioxidant systems, yet at higher doses it induces oxidative stress. Additionally, in vertebrates environmental exposures to toxic levels of selenium can cause paralysis and death. Here we show that selenium-induced oxidative stress leads to decreased cholinergic signaling and degeneration of cholinergic neurons required for movement and egg-laying in...
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