Abstract
To increase the osteogenic and angiogenic effects of marrow-derived mesenchymal stromal cells (MSCs), we co-transfected (by means of lentivirus) the human angiopoietin-1 gene (hAng-1) and human bone morphogenetic protein 2 gene (hBMP2) into MSCs. Real-time PCR and ELISA showed that both genes were successfully co-expressed in the MSCs with expression sustained until the eighth week. The alkaline phosphatase activity of the MSCs was more significantly augmented by the co-transfection with both genes than by any single gene transfection. These results demonstrate that the combined gene therapy with hAng-1 and hBMP2 using lentivirally co-transfected MSCs is feasible.
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