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dc.contributor.authorDohle, W.
dc.contributor.authorJourdan, Fred
dc.contributor.authorMenchon, G.
dc.contributor.authorProta, A.
dc.contributor.authorFoster, P.
dc.contributor.authorMannion, P.
dc.contributor.authorHamel, E.
dc.contributor.authorThomas, M.
dc.contributor.authorKasprzyk, P.
dc.contributor.authorFerrandis, E.
dc.contributor.authorSteinmetz, M.
dc.contributor.authorLeese, M.
dc.contributor.authorPotter, B.
dc.date.accessioned2018-12-13T09:16:10Z
dc.date.available2018-12-13T09:16:10Z
dc.date.created2018-12-12T02:46:43Z
dc.date.issued2018
dc.identifier.citationDohle, W. and Jourdan, F. and Menchon, G. and Prota, A. and Foster, P. and Mannion, P. and Hamel, E. et al. 2018. Quinazolinone-Based Anticancer Agents: Synthesis, Antiproliferative SAR, Antitubulin Activity, and Tubulin Co-crystal Structure. Journal of Medicinal Chemistry. 61 (3): pp. 1031-1044.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/73343
dc.identifier.doi10.1021/acs.jmedchem.7b01474
dc.description.abstract

Quinazolinone-based anticancer agents were designed, decorated with functional groups from a 2-methoxyestradiol-based microtubule disruptor series, incorporating the aryl sulfamate motif of steroid sulfatase (STS) inhibitors. The steroidal AB-ring system was mimicked, favoring conformations with an N-2 substituent occupying D-ring space. Evaluation against breast and prostate tumor cell lines identified 7b with DU-145 antiproliferative activity (GI50 300 nM). A preliminary structure-activity relationship afforded compounds (e.g., 7j GI50 50 nM) with activity exceeding that of the parent. Both 7b and 7j inhibit tubulin assembly in vitro and colchicine binding, and 7j was successfully co-crystallized with the aß-tubulin heterodimer as the first of its class, its sulfamate group interacting positively at the colchicine binding site. Microtubule destabilization by 7j is likely achieved by preventing the curved-to-straight conformational transition in aß-tubulin. Quinazolinone sulfamates surprisingly showed weak STS inhibition. Preliminary in vivo studies in a multiple myeloma xenograft model for 7b showed oral activity, confirming the promise of this template.

dc.publisherAmerican Chemical Society
dc.titleQuinazolinone-Based Anticancer Agents: Synthesis, Antiproliferative SAR, Antitubulin Activity, and Tubulin Co-crystal Structure
dc.typeJournal Article
dcterms.source.volume61
dcterms.source.number3
dcterms.source.startPage1031
dcterms.source.endPage1044
dcterms.source.issn1520-4804
dcterms.source.titleJournal of Medicinal Chemistry
curtin.departmentSchool of Earth and Planetary Sciences (EPS)
curtin.accessStatusFulltext not available


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