Abstract:
: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.
journal_name
Mol Cancer Therjournal_title
Molecular cancer therapeuticsauthors
Carpinelli P,Ceruti R,Giorgini ML,Cappella P,Gianellini L,Croci V,Degrassi A,Texido G,Rocchetti M,Vianello P,Rusconi L,Storici P,Zugnoni P,Arrigoni C,Soncini C,Alli C,Patton V,Marsiglio A,Ballinari D,Pesenti E,Fandoi
10.1158/1535-7163.MCT-07-0444subject
Has Abstractpub_date
2007-12-01 00:00:00pages
3158-68issue
12 Pt 1eissn
1535-7163issn
1538-8514pii
6/12/3158journal_volume
6pub_type
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