Volume 28, Issue 166 (11-2018)                   J Mazandaran Univ Med Sci 2018, 28(166): 21-29 | Back to browse issues page

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Neshati V, Mollazadeh S, Fazly Bazzaz B S, Mojarrad M, Neshati Z, Kerachian M A. Designing and Constructing the Lentiviral Vector Coding miRNA-499a and Transduction of Human Mesenchymal Stem Cells. J Mazandaran Univ Med Sci. 2018; 28 (166) :21-29
URL: http://jmums.mazums.ac.ir/article-1-11141-en.html
Abstract:   (171 Views)
Background and purpose: Lentiviral vectors (LVs) are suitable candidates for gene delivery to cells with stable and high-level of transgene expression in target cells. MicroRNAs (miRNAs, miRs) are non-protein coding, short (~22 nucleotides) and single-stranded RNAs that act as post-transcriptional regulators of gene expression, and are involved in various cellular processes, including proliferation, differentiation and apoptosis. Several studies have shown that miR-499a promotes cardiac differentiation in cardiac stem cells. So, the aim of our study was to construct lentiviruses carrying miRNA-499a.
Materials and methods: Specific sequences of miRNA-499a (3p and 5p) were designed and constructed. Then, miRNA-499a was cloned into lentiviral vector. Analytical digestion and nucleotide sequence analysis were performed to ensure successful introduction of the miRNA to the vector. Then, the lentiviral particles produced (miRNA-499a-3p and miRNA-499a-5p) were used for transduction of human bone marrow-derived mesenchymal stem cells (hBM-MSCs).
Results: Analytical digestion and sequence analysis confirmed the accuracy of the constructs. The high expression of eGFP represented the high efficiency of transfection and transduction. The lentiviral particles carrying  miRNA-499a-3p/5p were made and could transduce hBM-MSCs.
Conclusion: In this study we made lentiviral particles carrying miR-499a that could be used for differentiation of stem cells to cardiomyocytes.
 
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Type of Study: Research(Original) | Subject: Biology

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