Weissenberger, J; Loeffler, S; Kappeler, A; Kopf, M; Lukes, A; Afanasieva, T A; Aguzzi, A; Weis, J (2004). IL-6 is required for glioma development in a mouse model. Oncogene, 23(19):3308-3316.
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The pleiotropic cytokine interleukin-6 (IL-6) contributes to malignant progression and apoptosis resistance of various cancer types. Although IL-6 is elevated in malignant gliomas, and glioma cells respond to IL-6, its functional role in gliomagenesis is unclear. We have investigated this role of IL-6 in a mouse model of spontaneous astrocytoma by crossbreeding glial fibrillary acidic protein (GFAP)-viral src oncogene transgenic mice with IL-6-deficient mice. We show here that ablation of IL-6 prevents tumour formation in these predisposed animals, but did not affect preneoplastic astrogliosis. Moreover, we demonstrate phosphorylation and nuclear translocation of the transcription factor signal transducer and activator of transcription (STAT)3, a prerequisite for IL-6 signalling, in 51 human gliomas WHO grade II-IV and all experimental mouse tumours investigated. Together with the observation that STAT3 activation increases with malignancy, these findings indicate an important role for IL-6 in the development and malignant progression of astrocytomas.
|Item Type:||Journal Article, refereed|
|Communities & Collections:||04 Faculty of Medicine > University Hospital Zurich > Institute of Neuropathology|
|Dewey Decimal Classification:||570 Life sciences; biology
610 Medicine & health
|Date:||22 April 2004|
|Deposited On:||11 Feb 2008 12:26|
|Last Modified:||27 Nov 2013 16:40|
|Publisher:||Nature Publishing Group|
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