Potent, Selective and Cell Penetrant Inhibitors of SF-1 by Functional Ultra-High-Throughput Screening
Molecular Pharmacology, ISSN: 0026-895X, Vol: 73, Issue: 6, Page: 1776-1784
2008
- 44Citations
- 36Captures
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Metrics Details
- Citations44
- Citation Indexes44
- 44
- CrossRef42
- Captures36
- Readers36
- 36
Article Description
The steroidogenic factor 1 (SF-1, also known as NR5A1) is a transcription factor belonging to the nuclear receptor superfamily. Whereas most of the members of this family have been extensively characterized, the therapeutic potential and pharmacology of SF-1 still remains elusive. Described here is the identification and characterization of selective inhibitory chemical probes of SF-1 by a rational ultra-high-throughput screening (uHTS) strategy. A set of 64,908 compounds from the National Institute of Health’s Molecular Libraries Small Molecule Repository was screened in a transactivation cell-based assay employing a chimeric SF-1 construct. Two analogous isoquinolinones, ethyl 2-[2-[2-(2,3-dihydro-1,4-benzodioxin-7-ylamino)-2-oxoethyl]-1-oxoisoquinolin-5-yl]oxypropanoate (SID7969543) and ethyl 2-[2-[2-(1,3-benzodioxol-5-ylmethylamino)-2-oxoethyl]-1-oxoisoquinolin-5-yl]oxypropanoate and (SID7970631), were identified as potent submicromolar inhibitors, yielding IC 50 values of 760 and 260 nM. The compounds retained their potency in a more physiologic functional assay employing the full-length SF-1 protein and its native response element, yielding IC 50 values of 30 and 16 nM, respectively. The selectivity of these isoquinolinones was confirmed via transactivation-based functional assays for RAR-related orphan receptor A (RORA), Herpes simplex virus transcriptional activator protein Vmw65 (VP16), and liver receptor homolog 1 (LRH-1). Their cytotoxicity, solubility, permeability and metabolic stability were also measured. These isoquinolinones represent valuable chemical probes to investigate the therapeutic potential of SF-1.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0026895X24048867; http://dx.doi.org/10.1124/mol.108.045963; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=44249089742&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/18334597; https://linkinghub.elsevier.com/retrieve/pii/S0026895X24048867; https://dx.doi.org/10.1124/mol.108.045963; https://molpharm.aspetjournals.org/content/73/6/1776
Elsevier BV
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