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The two facets of gp130 signalling in liver tumorigenesis
Dirk Schmidt-Arras1, Eithan Galun2, Stefan Rose-John3
1Institute of Biochemistry, Christian-Albrechts-University Kiel, Kiel, Germany. darras@biochem.uni-kiel.de.
Abstract:
The liver is a vital organ with multiple functions and a large regenerative capacity. Tumours of the liver are the second most frequently cause of cancer-related death and develop in chronically inflamed livers. IL-6-type cytokines are mediators of inflammation and almost all members signal via the receptor subunit gp130 and the downstream signalling molecule STAT3. We here summarize current knowledge on how gp130 signalling and STAT3 in tumour cells and cells of the tumour micro-environment drives hepatic tumorigenesis. We furthermore discuss very recent findings describing also anti-tumorigenic roles of gp130/STAT3 and important considerations for therapeutic interventions.
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