期刊
JOURNAL OF MEDICINAL CHEMISTRY
卷 61, 期 19, 页码 8625-8638出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jmedchem.8b00502
关键词
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资金
- European Research Council (ERC) [615879]
- Fondazione I. Monzino
Stabilization of the G-quadruplexes (G4s) within the androgen receptor (AR) gene promoter to block transcription may represent an innovative approach to interfere with aberrant AR signaling in castration resistant prostate cancer (CRPC). A library of differently functionalized naphthalene diimides (NDIs) was screened for their ability to stabilize AR G4s: the core-extended NDI (7) stood out as the most promising ligand. AR-positive cells were remarkably sensitive to 7 in comparison to AR-negative CRCP or normal prostate epithelial cells; 7 induced remarkable impairment of AR mRNA and protein amounts and significant perturbations in the expression levels of KLK3 and of genes involved in the activation of AR program via feedback mechanisms. Moreover, 7 synergistically interacted with Enzalutamide, an inhibitor of AR signaling used in second-line therapies. Overall, our data show that stabilization of AR G4s may represent an alternative treatment options for CRPC and other malignancies relying on aberrant androgen signaling.
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