alexa Malignant gliomas actively recruit bone marrow stromal cells by secreting angiogenic cytokines.
Pathology

Pathology

Journal of Clinical & Experimental Pathology

Author(s): Birnbaum T, Roider J, Schankin CJ, Padovan CS, Schichor C,

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Abstract The transplantation of progenitor cells is a promising new approach for the treatment of gliomas. Marrow stromal cells (MSC) are possible candidates for such a cell-based therapy, since they are readily and autologously available and show an extensive tropism to gliomas in vitro and in vivo. However, the signals that guide the MSC are still poorly understood. In this study, we show that gliomas have the capacity to actively attract MSC by secreting a multitude of angiogenic cytokines. We demonstrate that interleukin-8 (IL-8), transforming growth factor-ss1 (TGF-ss1) and neurotrophin-3 (NT-3) contribute to this glioma-directed tropism of human MSC. Together with the finding that vascular endothelial growth factor (VEGF) is another MSC-attracting factor secreted by glioma cells, these data support the hypothesis that gliomas use their angiogenic pathways to recruit mesenchymal progenitor cells. This article was published in J Neurooncol and referenced in Journal of Clinical & Experimental Pathology

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