Abstract
Background: Increased mesenchymal stem cells (MSCs) survival after transplantation can improve their therapeutic potential. Therefore, manipulation of the MSCs with cytoprotective genes such as NF-E2 Related Factor-2 (NRF2) is important to improve cell therapy efficiency. The aim of this study was cloning and transient over-expression of the NRF2 gene in MSCs by adenoviral expression system. Methods: NRF2 was isolated from MSCs and cloned into pENTR/TOPO/D vector by TOPO cloning reaction. NRF2 was translocated from pENTR/TOPO/D vector to adenoviral vector using the Gateway technology. The recombinant adenovirus vector was transformed into 293A cells to package recombinant adenovirus particles. Recombinant adenoviruses harboring NRF2 infected MSCs. Results: NRF2 was successfully isolated, cloned and its accuracy was confirmed by Deoxyribonucleic acid (DNA) sequencing. NRF2 over-expression was evaluated. This over-expression by adenoviral expression system was transient. Conclusion: NRF2 over-expression in MSCs with adenoviral expression system could be a valuable device because of its transient expression. Stable over-expression of genes in MSCs could not be permitted.
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