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10.1074/jbc.M110.148494 http://scihub22266oqcxt.onion/10.1074/jbc.M110.148494 C3121449!3121449!21487014     free     free     free Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\21487014.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       J+Biol+Chem 2011 ; 286 (23): 20194-207 Nephropedia Template TP {{tp|p=21487014|t=2011. Hypoxia Induces an Increase in Intracellular Magnesium via Transient Receptor Potential Melastatin 7 (TRPM7) Channels in Rat Hippocampal Neurons in Vitro* |pdf=|usr=}}{{21487014}} gab.com Text Hypoxia Induces an Increase in Intracellular Magnesium via Transient Receptor Potential Melastatin 7 (TRPM7) Channels in Rat Hippocampal Neurons in Vitro* JO: J Biol Chem http://www.kidney.de/pget.php?&tw=1&pmid=21487014 #FOAvip TRPM7, a divalent cation channel, plays an important role in neurons damaged from cerebral ischemia due to permitting intracellular calcium overload. This study aimed to explore whether magnesium was transported via a TRPM7 channel into the intracellular space of rat hippocampal neurons after 1 h of oxygen-glucose deprivation (OGD) and acute chemical ischemia (CI) by using methods of the Mg2+ fluorescent probe Mag-Fura-2 to detect intracellular magnesium concentration ([Mg2+]i) and flame atomic absorption spectrometry to measure extracellular magnesium concentration ([Mg2+]o). The results showed that the neuronal [Mg2+]i was 1.51-fold higher after 1 h of OGD at a basal level, and the increase of neuronal [Mg2+]i reached a peak after 1 h of OGD and was kept for 60 min with re-oxygenation. Meanwhile, the [Mg2+]o decreased after 1 h of OGD and recovered to the pre-ischemic level within 15 min after re-oxygenation. In the case of CI, the [Mg2+]i peak immediately appeared in hippocampal neurons. This increase of [Mg2+]i declined by removing extracellular magnesium in OGD or CI. Furthermore, by using Gd3+ or 2-aminoethoxydiphenyl borate to inhibit TRPM7 channels, the [Mg2+]i increase, which was induced by OGD or CI, was attenuated without altering the basal level of [Mg2+]i. By silencing TRPM7 with shRNA in hippocampal neurons, it was found that not only was the increase of [Mg2+]i induced by OGD or CI but also the basal levels of [Mg2+]i were attenuated. In contrast, overexpression of TRPM7 in HEK293 cells exaggerated both the basal levels and increased [Mg2+]i after 1 h of OGD/CI. These results suggest that anoxia induced the increase of [Mg2+]i via TRPM7 channels in rat hippocampal neurons. Twit Text FOAVip Hypoxia Induces an Increase in Intracellular Magnesium via Transient Receptor Potential Melastatin 7 (TRPM7) Channels in Rat Hippocampal Neurons in Vitro* ????J Biol Chem http://www.kidney.de/pget.php?&tw=1&pmid=21487014 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=21487014 #FOAvip English Wikipedia <ref>{{Cite pmid|21487014}}</ref> Hypoxia Induces an Increase in Intracellular Magnesium via Transient Receptor Potential Melastatin 7 (TRPM7) Channels in Rat Hippocampal Neurons in Vitro* #MMPMID21487014 Zhang J; Zhao F; Zhao Y; Wang J; Pei L; Sun N; Shi J J Biol Chem 2011[Jun]; 286 (23): 20194-207 PMID21487014show ga TRPM7, a divalent cation channel, plays an important role in neurons damaged from cerebral ischemia due to permitting intracellular calcium overload. This study aimed to explore whether magnesium was transported via a TRPM7 channel into the intracellular space of rat hippocampal neurons after 1 h of oxygen-glucose deprivation (OGD) and acute chemical ischemia (CI) by using methods of the Mg2+ fluorescent probe Mag-Fura-2 to detect intracellular magnesium concentration ([Mg2+]i) and flame atomic absorption spectrometry to measure extracellular magnesium concentration ([Mg2+]o). The results showed that the neuronal [Mg2+]i was 1.51-fold higher after 1 h of OGD at a basal level, and the increase of neuronal [Mg2+]i reached a peak after 1 h of OGD and was kept for 60 min with re-oxygenation. Meanwhile, the [Mg2+]o decreased after 1 h of OGD and recovered to the pre-ischemic level within 15 min after re-oxygenation. In the case of CI, the [Mg2+]i peak immediately appeared in hippocampal neurons. This increase of [Mg2+]i declined by removing extracellular magnesium in OGD or CI. Furthermore, by using Gd3+ or 2-aminoethoxydiphenyl borate to inhibit TRPM7 channels, the [Mg2+]i increase, which was induced by OGD or CI, was attenuated without altering the basal level of [Mg2+]i. By silencing TRPM7 with shRNA in hippocampal neurons, it was found that not only was the increase of [Mg2+]i induced by OGD or CI but also the basal levels of [Mg2+]i were attenuated. In contrast, overexpression of TRPM7 in HEK293 cells exaggerated both the basal levels and increased [Mg2+]i after 1 h of OGD/CI. These results suggest that anoxia induced the increase of [Mg2+]i via TRPM7 channels in rat hippocampal neurons. äHypoxia Induces an Increase in Intracellular Magnesium via Transient R(epmc).pdf DeepDyve Pubget Overpricing