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10.1093/ndt/gfs520 http://scihub22266oqcxt.onion/10.1093/ndt/gfs520 23229924!3611891!23229924     free     free     free Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Nephrol+Dial+Transplant 2013 ; 28 (4): 869-78 Nephropedia Template TP {{tp|p=23229924|t=2013. Magnesium prevents phosphate-induced calcification in human aortic vascular smooth muscle cells |pdf=|usr=}}{{23229924}} gab.com Text Magnesium prevents phosphate-induced calcification in human aortic vascular smooth muscle cells JO: Nephrol Dial Transplant http://www.kidney.de/pget.php?&tw=1&pmid=23229924 #FOAvip BACKGROUND: Vascular calcification (VC) is prevalent in patients suffering from chronic kidney disease. Factors promoting calcification include abnormalities in mineral metabolism, particularly high phosphate levels. Inorganic phosphate (Pi) is a classical inducer of in vitro VC. Recently, an inverse relationship between serum magnesium concentrations and VC has been reported. The present study aimed to investigate the effects of magnesium on Pi-induced VC at the cellular level using primary HAVSMC. METHODS: Alive and fixed HAVSMC were assessed during 14 days in the presence of Pi with increasing concentrations of magnesium (Mg(2+)) chloride. Mineralization was measured using quantification of calcium, von Kossa and alizarin red stainings. Cell viability and secretion of classical VC markers were also assessed using adequate tests. Involvement of transient receptor potential melastatin (TRPM) 7 was assessed using 2-aminoethoxy-diphenylborate (2-APB) inhibitor. RESULTS: Co-incubation with Mg(2+) significantly decreased Pi-induced VC in live HAVSMC, no effect was found in fixed cells. At potent concentrations in Pi-induced HAVSMC, Mg(2+) significantly improved cell viability and restored to basal level increased secretions of osteocalcin and matrix gla protein, whereas a decrease in osteopontin secretion was partially restored. The block of TRPM7 with 2-APB at 10(-4) M led to the inefficiency of Mg(2+) to prevent VC. CONCLUSIONS: Increasing Mg(2+) concentrations significantly reduced VC, improved cell viability and modulated secretion of VC markers during cell-mediated matrix mineralization clearly pointing to a cellular role for Mg(2+) and 2-APB further involved TRPM7 and a potential Mg(2+) entry to exert its effects. Further investigations are needed to shed light on additional cellular mechanism(s) by which Mg(2+) is able to prevent VC. Twit Text FOAVip Magnesium prevents phosphate-induced calcification in human aortic vascular smooth muscle cells ????Nephrol Dial Transplant http://www.kidney.de/pget.php?&tw=1&pmid=23229924 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=23229924 #FOAvip English Wikipedia <ref>{{Cite pmid|23229924}}</ref> Magnesium prevents phosphate-induced calcification in human aortic vascular smooth muscle cells #MMPMID23229924 Louvet L; Buchel J; Steppan S; Passlick-Deetjen J; Massy ZA Nephrol Dial Transplant 2013[Apr]; 28 (4): 869-78 PMID23229924show ga BACKGROUND: Vascular calcification (VC) is prevalent in patients suffering from chronic kidney disease. Factors promoting calcification include abnormalities in mineral metabolism, particularly high phosphate levels. Inorganic phosphate (Pi) is a classical inducer of in vitro VC. Recently, an inverse relationship between serum magnesium concentrations and VC has been reported. The present study aimed to investigate the effects of magnesium on Pi-induced VC at the cellular level using primary HAVSMC. METHODS: Alive and fixed HAVSMC were assessed during 14 days in the presence of Pi with increasing concentrations of magnesium (Mg(2+)) chloride. Mineralization was measured using quantification of calcium, von Kossa and alizarin red stainings. Cell viability and secretion of classical VC markers were also assessed using adequate tests. Involvement of transient receptor potential melastatin (TRPM) 7 was assessed using 2-aminoethoxy-diphenylborate (2-APB) inhibitor. RESULTS: Co-incubation with Mg(2+) significantly decreased Pi-induced VC in live HAVSMC, no effect was found in fixed cells. At potent concentrations in Pi-induced HAVSMC, Mg(2+) significantly improved cell viability and restored to basal level increased secretions of osteocalcin and matrix gla protein, whereas a decrease in osteopontin secretion was partially restored. The block of TRPM7 with 2-APB at 10(-4) M led to the inefficiency of Mg(2+) to prevent VC. CONCLUSIONS: Increasing Mg(2+) concentrations significantly reduced VC, improved cell viability and modulated secretion of VC markers during cell-mediated matrix mineralization clearly pointing to a cellular role for Mg(2+) and 2-APB further involved TRPM7 and a potential Mg(2+) entry to exert its effects. Further investigations are needed to shed light on additional cellular mechanism(s) by which Mg(2+) is able to prevent VC. |Aorta/cytology/drug effects/*metabolism[MESH] |Cell Survival/drug effects[MESH] |Cells, Cultured[MESH] |Humans[MESH] |Magnesium/*pharmacology[MESH] |Minerals/*metabolism[MESH] |Muscle, Smooth, Vascular/cytology/drug effects/*metabolism[MESH] |Phosphates/*metabolism[MESH] |Protein Serine-Threonine Kinases[MESH] |TRPM Cation Channels/antagonists & inhibitors/metabolism[MESH]Magnesium prevents phosphate-induced calcification in human aortic vas(epmc).pdf DeepDyve Pubget Overpricing