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Journal of Experimental Hematology ; (6): 1283-1288, 2017.
Article in Chinese | WPRIM | ID: wpr-301735

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the effect and mechanism of miR-486 on glycometabolism of hematopoietic cells.</p><p><b>METHODS</b>qRT-PCR was applied to detect the expression of miR-486 or Sirt1 on TF-1 cells under hypoxia. Lentivirus was used to mediate the overexpression or inhibition of miR-486 on TF-1 cells and qRT-PCR was used to detect the expressions of Sirt1, glucose transporter 1(Glut1) and glucose transporter 4(Glut4). Lentivirus-mediated Sirt1-shRNA transduction was used to knockdown Sirt1 expression which was detected by qRT-PCR and Western blot. The expressions of Glut1 and Glut4 were determined by qRT-PCR.</p><p><b>RESULTS</b>Hypoxia promoted the expression of miR-486 and inhibited the expression of Sirt1. MiR-486 overexpression could inhibit the expression of Sirt1 and promote the expressions of Glut1 and Glut4, whereas miR-486 silencing upregulated the sirt1 expression and inhibited the expressions of Glut1 and Glut4. And inhibition of Sirt1 expression increased the expressions of Glut1 and Glut4.</p><p><b>CONCLUSION</b>MiR-486 can regulate the glycometabolism of hematopoietic cells by targeting Sirt1.</p>

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