Abstract
As a prelude to studying the sodium dependence of choline-transport systems, a number of organic compounds plus LiCl, CsCl and RbCl as sodium substitutes were tested for toxicity to maintain isoosmolality or ionic strength on cultured rat astrocytoma cells. In short term experiments (1 hour), tetramethylammonium chloride, triethanolammonium chloride, guanidinium chloride, tris hydrochloride, mannitol, sucrose, LiCl, RbCl and CsCl were well tolerated. In long term exposure (4 days), no compound was completely nontoxic as a sodium substitute, but sucrose, mannitol, LiCl, and RbCl allowed maximum cell survival.
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Mokrasch, L.C. Organic cations substituted for sodium are toxic to cultured rat glioma cells. Mol Cell Biochem 92, 85–89 (1990). https://doi.org/10.1007/BF00220723
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DOI: https://doi.org/10.1007/BF00220723