PHA-739358 is a small-molecule 3-aminopyrazole derivative with strong activity against Aurora kinases and cross-reactivities with some receptor tyrosine kinases relevant for cancer. PHA-739358 inhibits all Aurora kinase family members and shows a dominant Aurora B kinase inhibition related cellular phenotype and mechanism of action in cells in vitro and in vivo. p53 status-dependent endoreduplication is observed upon treatment of cells with PHA-739358, and phosphorylation of histone H3 in Ser(10) is inhibited. The compound has significant antitumor activity in different xenografts and spontaneous and transgenic animal tumor models and shows a favorable pharmacokinetic and safety profile. In vivo target modulation is observed as assessed by the inhibition of the phosphorylation of histone H3, which has been validated preclinically as a candidate biomarker for the clinical phase. Pharmacokinetics/pharmacodynamics modeling was used to define drug potency and to support the prediction of active clinical doses and schedules. We conclude that PHA-739358, which is currently tested in clinical trials, has great therapeutic potential in anticancer therapy in a wide range of cancers.
机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
Ewart-Toland, A
Dai, Q
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
Lee, JJ
Zheng, W
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Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USAUniv Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
Ewart-Toland, A
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
Dai, Q
Gao, YT
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
Gao, YT
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
Nagase, H
Dunlop, MG
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
Dunlop, MG
Farrington, SM
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
Farrington, SM
Barnetson, RA
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
Barnetson, RA
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
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Peel, D
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
Ziogas, A
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
Ostrander, EA
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
Bowman, ED
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
Lippman, SM
Lee, JJ
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
Lee, JJ
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机构:Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA
Zheng, W
Balmain, A
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Univ Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USAUniv Calif San Francisco, UCSF Comprehens Canc Ctr, San Francisco, CA 94143 USA