Abstract
Bone marrow stromal cells (BMSCs) have proven useful for the treatment of various human diseases and injuries. However, their reparative capacity is limited by their poor migration and homing ability, which are primarily dependent on the SDF-1/CXCR4 axis. Most subcultured BMSCs lack CXCR4 receptor expression on the cell surface and exhibit impaired migratory capacity. To increase responsiveness to SDF-1 and promote cell migration and survival of cultured BMSCs, we used a combination of ultrasound-targeted microbubble destruction (UTMD) and liposomes to increase CXCR4 expression in vitro. We isolated and cultured rat BMSCs to their third passage and transduced them with recombinant plasmid pDsRed-CXCR4 using microbubble-mediated ultrasound irradiation and liposomes. Compared to some viral vectors, the method we employed here resulted in significantly better transfection efficiency, CXCR4 expression, and technical reproducibility. The benefits of this approach are likely due to the combination of “sonoporation” caused by shockwaves and microjet flow resulting from UTMD-generated cavitation. Following transfection, we performed a transwell migration assay and found that the migration ability of CXCR4-modified BMSCs was 9-fold higher than controls. The methods we describe here provide an effective, safe, non-viral means to achieve high levels of CXCR4 expression. This is associated with enhanced migration of subcultured BMSCs and may be useful for clinical application as well.
Keywords: Bone marrow stromal cells, Cell migration, CXCR4, liposome, mirobubble, ultrasound.
Current Gene Therapy
Title:Transfection of CXCR-4 Using Microbubble-Mediated Ultrasound Irradiation and Liposomes Improves the Migratory Ability of Bone Marrow Stromal Cells
Volume: 15 Issue: 1
Author(s): Gong Wang, Zhongxiong Zhuo, Qian Zhang, Yali Xu, Shengzheng Wu, Lu Li, Hongmei Xia and Yunhua Gao
Affiliation:
Keywords: Bone marrow stromal cells, Cell migration, CXCR4, liposome, mirobubble, ultrasound.
Abstract: Bone marrow stromal cells (BMSCs) have proven useful for the treatment of various human diseases and injuries. However, their reparative capacity is limited by their poor migration and homing ability, which are primarily dependent on the SDF-1/CXCR4 axis. Most subcultured BMSCs lack CXCR4 receptor expression on the cell surface and exhibit impaired migratory capacity. To increase responsiveness to SDF-1 and promote cell migration and survival of cultured BMSCs, we used a combination of ultrasound-targeted microbubble destruction (UTMD) and liposomes to increase CXCR4 expression in vitro. We isolated and cultured rat BMSCs to their third passage and transduced them with recombinant plasmid pDsRed-CXCR4 using microbubble-mediated ultrasound irradiation and liposomes. Compared to some viral vectors, the method we employed here resulted in significantly better transfection efficiency, CXCR4 expression, and technical reproducibility. The benefits of this approach are likely due to the combination of “sonoporation” caused by shockwaves and microjet flow resulting from UTMD-generated cavitation. Following transfection, we performed a transwell migration assay and found that the migration ability of CXCR4-modified BMSCs was 9-fold higher than controls. The methods we describe here provide an effective, safe, non-viral means to achieve high levels of CXCR4 expression. This is associated with enhanced migration of subcultured BMSCs and may be useful for clinical application as well.
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Cite this article as:
Wang Gong, Zhuo Zhongxiong, Zhang Qian, Xu Yali, Wu Shengzheng, Li Lu, Xia Hongmei and Gao Yunhua, Transfection of CXCR-4 Using Microbubble-Mediated Ultrasound Irradiation and Liposomes Improves the Migratory Ability of Bone Marrow Stromal Cells, Current Gene Therapy 2015; 15 (1) . https://dx.doi.org/10.2174/1566523214666141121111220
DOI https://dx.doi.org/10.2174/1566523214666141121111220 |
Print ISSN 1566-5232 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5631 |
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