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      Retraction Note: Blockage of miR-92a-3p with locked nucleic acid induces apoptosis and prevents cell proliferation in human acute megakaryoblastic leukemia

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      Cancer Gene Therapy

      Springer Science and Business Media LLC

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          Degradation of miR-21 induces apoptosis and inhibits cell proliferation in human hepatocellular carcinoma.

          MicroRNAs (miRNAs) are small non-coding RNAs, 18-25 nucleotides long and have an important role in post-transcriptional regulation of gene. Several aspects of cellular activities such as cell growth, proliferation and differentiation are regulated by miRNAs. In many cancers and malignancies, up- or downregulation of different miRNAs has been reported. In human hepatocellular carcinoma (HCC), upregulation of miR-21 has been reported in human in vitro studies. Here, we made an assessment of the effect of miR-21 degradation on viability and apoptosis of HCC cell line (HepG2) using locked nucleic acid (LNA). At different time points (24, 48, 72 h) after LNA-anti-miR-21 transfection, 3-[4,5-dimethylthiazol-2-yl]-2, 5-diphenyl tetrazolium bromide assay and Annexin/propidium iodide staining were performed. The results show that miR-21 degradation can decrease the viability of cells, mainly by induction of apoptosis and necrosis. These findings suggest that degradation of miR-21 could be used as a novel approach in treatment of HCC.
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            Blockage of miR-92a-3p with locked nucleic acid induces apoptosis and prevents cell proliferation in human acute megakaryoblastic leukemia

             R Salehi,  M. Sharifi (2016)
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              Placement of long-term hemodialysis catheter (permcath) in patients with end-stage renal disease through external jugular vein

              Background: The number of patients with End-Stage Renal Disease (ESRD) has progressively increased in the population. Kidney transplantation is the specific treatment for such patients; however a majority of patients will require hemodialysis before kidney transplantation. The present study aims to investigate using the external jugular vein (EJV) for Permcath placement in these patients. Materials and Methods: This descriptive and analytical study was conducted in Alzahra Medical Center, Isfahan, in 2012. Catheters were inserted by cutting down the right EJV. The patency rate and potential complications were studied. The obtained data was analyzed using SPSS 21.0. Results: Out of 45 live patients, within three months of surgery, 40 patients (81.6%) had no complications and dialysis continued through Permcath. Permcath Thrombosis occurred in two patients (4.4%). Catheter infection led to the removal of it in one patient (2.2%) 1.5 months after surgery. And accidental catheter removal occurred in one patient. Conclusion: Placement of the permcath in the external jugular vein can be a safe, uncomplicated, and reliable method for patients requiring hemodialysis, and can be a life-saving alternative in patients without accessible internal jugular vein.
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                Author and article information

                Journal
                Cancer Gene Therapy
                Cancer Gene Ther
                Springer Science and Business Media LLC
                0929-1903
                1476-5500
                January 13 2020
                Article
                10.1038/s41417-019-0158-y
                © 2020

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