The development of the cancer stem cell (CSCs) niche theory has provided a new target for the treatment of gliomas. Gene therapy using oncolytic viral vectors has shown great potential for the therapeutic targeting of CSCs. To explore whether a viral vector carrying an exogenous Endo-Angio fusion gene (VAE) can infect and kill glioma stem cells (GSCs), as well as inhibit their vascular niche in vitro, we have collected surgical specimens of human high-grade glioma (world health organization, WHO Classes III-VI) from which we isolated and cultured GSCs under conditions originally designed for the selective expansion of neural stem cells. Our results demonstrate the following: (1) Four lines of GSCs (isolated from 20 surgical specimens) could grow in suspension, were multipotent, had the ability to self-renew and expressed the neural stem cell markers, CD133 and nestin. (2) VAE could infect GSCs and significantly inhibit their viability. (3) The Endo-Angio fusion gene was expressed in GSCs 48 h after VAE infection and could inhibit the proliferation of human brain microvascular endothelial cells (HBMEC). (4) Residual viable cells lose the ability of self-renewal and adherent differentiation. In conclusion, VAE can significantly inhibit the activity of GSCs in vitro and the expression of exogenous Endo-Angio fusion gene can inhibit HBMEC proliferation. VAE can be used as a novel virus-gene therapy strategy for glioma. (C) 2011 Elsevier B.V. All rights reserved.
基金:
National Natural Science Foundation of ChinaNational Natural Science Foundation of China [81071776]
第一作者机构:[1]Capital Med Univ, Beijing Tiantan Hosp, Beijing Neurosurg Inst, Brain Tumor Res Ctr, Beijing 100050, Peoples R China;
通讯作者:
通讯机构:[1]Capital Med Univ, Beijing Tiantan Hosp, Beijing Neurosurg Inst, Brain Tumor Res Ctr, Beijing 100050, Peoples R China;[5]Capital Med Univ, Beijing Tiantan Hosp, Beijing Neurosurg Inst, Brain Tumor Res Ctr, Tiantan Xili 6, Beijing 100050, Peoples R China
推荐引用方式(GB/T 7714):
Zhu Guidong,Su Wei,Jin Guishan,et al.Glioma stem cells targeted by oncolytic virus carrying endostatin-angiostatin fusion gene and the expression of its exogenous gene in vitro[J].BRAIN RESEARCH.2011,1390:59-69.doi:10.1016/j.brainres.2011.03.050.
APA:
Zhu, Guidong,Su, Wei,Jin, Guishan,Xu, Fujian,Hao, Shuyu...&Liu, Fusheng.(2011).Glioma stem cells targeted by oncolytic virus carrying endostatin-angiostatin fusion gene and the expression of its exogenous gene in vitro.BRAIN RESEARCH,1390,
MLA:
Zhu, Guidong,et al."Glioma stem cells targeted by oncolytic virus carrying endostatin-angiostatin fusion gene and the expression of its exogenous gene in vitro".BRAIN RESEARCH 1390.(2011):59-69