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Targeting estrogen receptor beta (ERβ) for treatment of ovarian cancer: importance of KDM6B and SIRT1 for ERβ expression and functionality
- Pinton, G (author)
- Nilsson, S (author)
- Moro, L (author)
- 2018-02-09
- 2018
- English.
- In: Oncogenesis. - : Springer Science and Business Media LLC. - 2157-9024. ; 7:2, s. 15-
- Journal article (peer-reviewed)
Abstract
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- Estrogen receptor (ER) β has growth inhibitory and chemo drug potentiating effect on ovarian cancer cells. We studied the dependence of ERβ function on the presence of KDM6B and SIRT1 in human ovarian cancer cells in vitro. Activation of ERβ with the subtype-selective agonist KB9520 resulted in significant inhibition of human ovarian cancer cell growth. KB9520-activated ERβ had an additive effect on growth inhibition in combination with cisplatin and paclitaxel, respectively. Loss of KDM6B expression had a negative effect on ERβ function as a ligand-dependent inhibitor of ovarian cancer cell growth. In contrast, loss or inhibition of SIRT1 deacetylase activity restored ligand-activated ERβ functionality. Presented data suggest that selective targeting of ERβ with an agonist potentiate chemotherapy efficacy for the treatment of ovarian cancer and that downregulation or inhibition of SIRT1 may further enhance its therapeutic effect.
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- Nilsson, S
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