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Trpm7 Channels As A Bioassay Of Internal And External Mg2+, Charles T. Luu

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Magnesium is an important divalent metal cation that is involved in numerous cellular functions. The details of cellular Mg2+ regulation, homeostasis and transport remain unclear. Magnesium transporter protein (MagT1) is a Mg2+ transporter and deficiency of this protein has been reported to lead to impaired Mg2+ influx and a decreased cytoplasmic [Mg2+]. Transient receptor potential melastatin 7 (TRPM7) is a ubiquitously expressed membrane protein containing a channel pore and a C-terminal alpha-type serine/threonine protein kinase domain. Importantly, TRPM7 channel is believed to conduct both Mg2+ and Ca2+. In the present study, we investigated if TRPM7 can be used as a …