{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,31]],"date-time":"2025-10-31T21:51:24Z","timestamp":1761947484130},"reference-count":33,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2009,1,29]],"date-time":"2009-01-29T00:00:00Z","timestamp":1233187200000},"content-version":"vor","delay-in-days":273,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["bpspubs.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["British J Pharmacology"],"published-print":{"date-parts":[[2008,5]]},"abstract":"<jats:sec><jats:title>Background and purpose:<\/jats:title><jats:p>Selective androgen receptor modulators are of great value in the treatment of prostate cancer. The purpose of this study was to provide a preliminary characterization of a new class of non\u2010steroidal androgen receptor modulators discovered in a high\u2010throughput screening campaign.<\/jats:p><\/jats:sec><jats:sec><jats:title>Experimental approach:<\/jats:title><jats:p>Competitive receptor binding, luciferase\u2010based reporter methods, cell proliferation and <jats:italic>in vivo<\/jats:italic> assays were employed to evaluate an initial set of compounds from chemistry efforts.<\/jats:p><\/jats:sec><jats:sec><jats:title>Key results:<\/jats:title><jats:p>Forty\u2010nine analogues from the chemistry efforts showed high affinity binding to androgen receptors, agonist and\/or antagonist activities in both CV\u20101 and MDA\u2010MB\u2010453 transfection assays. A proliferation assay in LNCaP cells also exhibited this profile. A representative of these non\u2010steroidal compounds (compound 21) was devoid of activity at other nuclear receptors (oestrogen, progesterone, glucocorticoid and mineralocorticoid receptors) in the CV\u20101 co\u2010transfection assay. At the same time, in an immature castrated rat model, it behaved as an androgen receptor antagonist against the growth of prostate, seminal vesicles and levator ani induced by exogenous androgen. Separation of compound 21 into its enantiomers showed that nearly all the androgen receptor modulating activity and binding resided in the dextrorotatory compound (23) while the laevorotatory isomer (22) possessed weak or little effect depending on the cell type studied.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions and implications:<\/jats:title><jats:p>These non\u2010steroidal compounds may represent a new class of androgen receptor modulators for the treatment of not only prostate cancer but other clinical conditions where androgens and androgen receptors are involved in the pathological processes.<\/jats:p><jats:p><jats:italic>British Journal of Pharmacology<\/jats:italic> (2008) <jats:bold>154<\/jats:bold>, 440\u2013450; doi:<jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"doi\" xlink:href=\"10.1038\/bjp.2008.107\">10.1038\/bjp.2008.107<\/jats:ext-link>; published online 14 April 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