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Adenoviral-mediated interleukin-18 expression in mesenchymal stem cells effectively suppresses the growth of glioma in rats |
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| Authors: | Xu Gang Jiang Xiao-Dan Xu Ying Zhang Jing Huang Fan-Heng Chen Zhen-Zhou Zhou De-Xiang Shang Jiang-Hua Zou Yu-Xi Cai Ying-Qian Kou Sheng-Bin Chen Yi-Zhao Xu Ru-Xiang Zeng Yan-Jun |
| Institution: | a Institute of Neuromedicine, South Medical University, Zhujiang Hospital, Guangzhou 510280, China b Institute of ophthalmology, Shan Yang Country people's Hospital, ShanXi 726400, China c Biomechanics & Medical Information Institute, Beijing University of Technology, Beijing 100022, China d Institute of Medical Image center, South Medical University, Zhujiang Hospital, Guangzhou 510280, China |
| Abstract: | Glioma is the most common primary intracranial malignant tumor. Despite advances in surgical techniques and adjuvant radio- and chemotherapies, the prognosis for patients with glioma remains poor. We have explored the effects of using genetically modified mesenchymal stem cells (MSCs) to treat malignant glioma in rats. Mesenchymal stem cells isolated from Sprague-Dawley rats can directly suppress the growth of C6 cells in vitro. MSCs transplanted intratumorally can also significantly inhibit the growth of glioma and prolong survival in C6 glioma-bearing models. MSCs producing Interleukin-18 infected by adenoviral vector inhibited glioma growth and prolonged the survival of glioma-bearing rats. Transplantation of IL-18 secreting MSCs was associated with enhanced T cell infiltration and long-term anti-tumor immunity. Thus, IL-18 may be an effective adoptive immunotherapy for malignant glioma. When used in conjunction with MSCs as targeting vehicles in vivo, IL-18 may offer a promising new treatment option for malignant glioma. |
| Keywords: | Glioma Mesenchymal stem cell Adenoviral vector Interleukin-18 |
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