Curcumin inhibits constitutive STAT3 phosphorylation in human pancreatic cancer cell lines and downregulation of survivin/BIRC5 gene expression

W Glienke, L Maute, J Wicht, L Bergmann
Cancer Investigation 2010, 28 (2): 166-71
The purpose of this study was to determine the effect of curcumin on Survivin/BIRC5 and on the role of signal transducer and activator of transcription 3 (STAT3) activation in Survivin/ BIRC5. We incubated two pancreatic cancer cell lines with different amounts of curcumin. This resulted in a downregulation of proliferation in all cell lines tested. The expression of Survivin/BIRC5 on mRNA and protein level was significantly downregulated and the phosphorylation of STAT3 was blocked. Treatment of pancreatic cancer cells with curcumin resulted in an induction of apoptosis. The results indicate that curcumin inhibits several key factors in cancer cellular pathways and may be of interest in pancreatic cancer.

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