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  • 标题:SLC37A2, a phosphorus-related molecule, increases in smooth muscle cells in the calcified aorta
  • 本地全文:下载
  • 作者:Mariko Tani ; Sarasa Tanaka ; Chihiro Oeda
  • 期刊名称:Journal of Clinical Biochemistry and Nutrition
  • 印刷版ISSN:0912-0009
  • 电子版ISSN:1880-5086
  • 出版年度:2021
  • 卷号:68
  • 期号:1
  • 页码:23-31
  • DOI:10.3164/jcbn.19-114
  • 出版社:The Society for Free Radical Research Japan
  • 摘要:Vascular calcification is major source of cardiovascular disease in patients with chronic kidney disease. Hyperphosphatemia leads to increased intracellular phosphorus influx, which leads to an increase in osteoblast-like cells in vascular smooth muscle cell. PiT-1 transports phosphate in vascular smooth muscle cell. However, the mechanism of vascular calcification is not completely understood. This study investigated candidate phosphorus-related molecules other than PiT-1. We hypothesized that phosphorus-related molecules belonging to the solute-carrier (SLC) superfamily would be involved in vascular calcification. As a result of DNA microarray analysis, we focused on SLC37A2 and showed that mRNA expression of these cells increased on calcified aotic smooth muscle cells (AoSMC). SLC37A2 has been reported to transport both glucose-6-phosphate/phosphate and phosphate/phosphate exchanges. In vitro analysis showed that SLC37A2 expression was not affected by inflammation on AoSMC. The expression of SLC37A2 mRNA and protein increased in calcified AoSMC. In vivo analysis showed that SLC37A2 mRNA expression in the aorta of chronic kidney disease rats was correlated with osteogenic marker genes. Furthermore, SLC37A2 was expressed at the vascular calcification area in chronic kidney disease rats. As a result, we showed that SLC37A2 is one of the molecules that increase with vascular calcification in vitro and in vivo .
  • 关键词:SLC37A2;vascular calcification;aortic smooth muscle cells;chronic kidney disease;hyperphosphatemia
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