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. 2014 Mar 17;3:e28269. doi: 10.4161/onci.28269

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Figure 1. Preclinical model unveiling the activity of cytokine-induced cells against autologous bone sarcoma and soft tissue sarcoma. Primary sarcoma cultures were generated from fresh surgical biopsies. Putative cancer stem cells (CSCs) were visualized upon the transduction of malignant cells with a lentiviral CSC-detecting vector encoding the enhanced variant of green fluorescent protein (eGFP) under the control of the OCT4 promoter (pRRL.sin.PPT.hOct4.eGFP.Wpre). Patient-derived cytokine-induced killer (CIK) cells were active in vitro and in vivo against autologous bone sarcoma (BS) and soft tissue sarcoma (STS) cells, including putative CSCs.