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Tanshinone IIA (T2A), a derivative of phenanthrenequinone and also the major active ingredient of Danshen, has been paid extensive attention as a promising cancer therapy for its potential anti-cancer activities. In this study, the apoptosis and autophagy of human prostate cancer PC-3 cells were observed after 5 μM T2A treatment, as well as their relevance. Mitochondrial-dependent apoptosis was firstly...
TNF-alpha levels in prostate cancer correlate with the extent of disease and are significantly elevated in the metastatic stage. TNF receptor superfamily controls two distinct signalling cascades, leading to opposite effects, i.e. apoptosis and survival; in prostate cancer TNF-alpha-mediated signalling induces cell survival and resistance to therapy. The apoptosis of prostate epithelial cancer cells...
Toll-like receptors (TLRs) are widely expressed in immune cells and play a crucial role in many aspects of the immune response. Although some types of TLRs are also expressed in cancer cells, the effects and mechanisms of TLR signaling in cancer cells have not yet been fully elucidated. In the present study, we analyzed the effects of polyinosinic-polycytidylic acid [poly(I:C)], a TLR3 ligand, on...
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