Friday 28 November, 2014

New treatment options underway for advanced prostate cancer

Published On: Sat, Aug 13th, 2011 | Prostate Cancer | By BioNews

Researchers at Lund University are developing new methods for treating advanced prostate cancer by attacking stem cell-like cells that allow the disease to survive, spread and resist treatment.

“Prostatic tumours are thought to consist only of about 0.1 per cent cancer stem cells, but if you are not successful in eradicating that tumour cell population, there is a risk of subsequent uncontrolled growth of the tumour. The cancer stem cells are often unresponsive to both hormonal treatment and to chemotherapy, so it is essential to develop a direct treatment towards all types of cancer cells”, says Anders Bjartell.

Exploring the tumour biology of prostate cancer, the research group have now observed that the protein STAT3 is active in the stem cell-like cells. In their previous studies, they have proven that the natural compound galiellalactone affects STAT3 and has inhibitory effects on the growth of prostate cancer.

Through the development of new specific STAT3-inhibitors with galiellalactone as a model, the researchers hope to develop targeted therapies that attack the stem cell-like cancer cells in prostate cancer and prevent the tumour from growing and spreading.

The study was recently published in the online journal PLoS ONE. (AN

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