Erythrocyte intracellular Mg2+ concentration as an index of recognition and memory

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Erythrocyte intracellular Mg2+ concentration as an index of recognition and memory

Magnesium (Mg(2+)) plays an important role in the neural system, and yet scarcely any research has quantitatively analyzed the link between endogenous Mg(2+) level and memory. Using our original technique, we measured erythrocyte intracellular ionized Mg(2+) concentration (RBC [Mg(2+)]i), which linearly correlated to recognition and spatial memory in normal aging rats. In the brain, RBC [Mg(2+)...

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An RNA Sensor for Intracellular Mg2+

Most RNA molecules require Mg(2+) for their structure and enzymatic properties. Here we report the first example of an RNA serving as sensor for cytoplasmic Mg(2+). We establish that expression of the Mg(2+) transporter MgtA of Salmonella enterica serovar Typhimurium is controlled by its 5' untranslated region (5'UTR). We show that the 5'UTR of the mgtA gene can adopt different stem-loop struct...

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ژورنال

عنوان ژورنال: Scientific Reports

سال: 2016

ISSN: 2045-2322

DOI: 10.1038/srep26975