Aurora A Inhibitor I - CAS 1158838-45-9
Catalog number: 1158838-45-9
Category: Inhibitor
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Aurora Kinase
Aurora A Inhibitor I is a novel, potent, and selective inhibitor of Aurora A with IC50 of 3.4 nM. It is 1000-fold more selective for Aurora A than Aurora B.
TC-S 7010; TC S 7010; TCS7010;
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1.Aurora-A modulates MMP-2 expression via AKT/NF-κB pathway in esophageal squamous cell carcinoma cells.
Wang X1, Li X2, Li C3, He C3, Ren B3, Deng Q3, Gao W4, Wang B5. Acta Biochim Biophys Sin (Shanghai). 2016 Apr 28. [Epub ahead of print]
Esophageal squamous cell carcinoma (ESCC) is one of the most common malignancies. It is necessary to identify new markers for predicting tumor progression and therapeutic molecular targets. It has been reported that overexpressions of Aurora-A and matrix metalloproteinases 2 (MMP-2) may promote the malignant development of tumor. However, the relationship between Aurora-A and MMP-2 expression in tumor patients has not been investigated. In addition, the underlying mechanisms that Aurora-A regulates MMP-2 expression are still not fully elucidated. In this study, we demonstrated that Aurora-A and MMP-2 were overexpressed in ESCC tissues compared with paired normal adjacent tissues (P < 0.0001). Overexpression of Aurora-A was associated with the lymph node metastasis of ESCC (P = 0.01). Significantly, Aurora-A protein expression was positively correlated with MMP-2 protein expression in ESCC tissues (r = 0.66, P < 0.0001) as well as in ESCC cell lines.
2.Activation of Aurora A kinase through the FGF1/FGFR signaling axis sustains the stem cell characteristics of glioblastoma cells.
Hsu YC1, Kao CY2, Chung YF3, Lee DC3, Jen-Wei L4, Chiu IM5. Exp Cell Res. 2016 Apr 29. pii: S0014-4827(16)30087-8. doi: 10.1016/j.yexcr.2016.04.012. [Epub ahead of print]
Fibroblast growth factor 1 (FGF1) binds and activates FGF receptors, thereby regulating cell proliferation and neurogenesis. Human FGF1 gene 1B promoter (-540 to +31)-driven SV40 T antigen has been shown to result in tumorigenesis in the brains of transgenic mice. FGF1B promoter (-540 to +31)-driven green fluorescent protein (F1BGFP) has also been used in isolating neural stem cells (NSCs) with self-renewal and multipotency from developing and adult mouse brains. In this study, we provide six lines of evidence to demonstrate that FGF1/FGFR signaling is implicated in the expression of Aurora A (AurA) and the activation of its kinase domain (Thr288 phosphorylation) in the maintenance of glioblastoma (GBM) cells and NSCs. First, treatment of FGF1 increases AurA expression in human GBM cell lines. Second, using fluorescence-activated cell sorting, we observed that F1BGFP reporter facilitates the isolation of F1BGFP(+) GBM cells with higher expression levels of FGFR and AurA.
3.In vitro Characterization of Derrone as an Aurora Kinase Inhibitor.
Hoang NT1, Phuong TT, Nguyen TT, Tran YT, Nguyen AT, Nguyen TL, Bui KT. Biol Pharm Bull. 2016 Mar 15. [Epub ahead of print]
Among mitotic kinases, Aurora kinases are the most widely studied, since their expression is restricted to mitosis. They play a key role in chromosome segregation and cell polyploidy. Aurora kinases are important therapeutic targets, and several research groups have directed their efforts toward the identification of kinase inhibitors. The aim of this study is to screen and characterize Aurora kinase inhibitors from natural substances extracted from plants that are used in the Vietnamese pharmacopoeia. We have characterized in vitro Derrone, extracted from Erythrina orientalis L. Murr, as a novel Aurora kinase inhibitor. This compound exhibited an ability to inhibit the phosphorylation of histone H3 at serine 10 both in kinase assay and at the cellular level. The compound was more effective against Aurora kinase B, with a lower IC50 value as compared to Aurora A. Moreover, it impaired the mitotic spindle checkpoint and led to endoreduplication in cancer cells, a phenomenon caused by an Aurora B inhibitor.
4.An update on the pharmacokinetics and pharmacodynamics of alisertib, a selective Aurora kinase A inhibitor.
Durlacher CT1, Li ZL2, Chen XW3, He ZX4, Zhou SF1. Clin Exp Pharmacol Physiol. 2016 Jun;43(6):585-601. doi: 10.1111/1440-1681.12571.
Human Aurora kinases, including Aurora kinase A (AURKA), B (AURKB), and C (AURKC), play an essential role in mitotic events such as monitoring of the mitotic checkpoint, creation of bipolar mitotic spindle and alignment of centrosomes on it, also regulating centrosome separation, bio-orientation of chromosomes and cytokinesis. AURKA and AURKB are key regulators of mitosis and centrosome via polymerizing microfilaments and controlling chromatid segregation. In particular, AURKA plays critical roles in the regulation of mitotic entry, centrosome function, bipolar spindle assembly, and chromosome segregation. AURKA has been found to be overexpressed in various solid and haematological cancers and has been linked with poor prognosis. Its important role in cancer initiation, growth, and metastasis has brought the focus to search for potent and selective AURKA inhibitors for cancer treatment. MLN8237, also known as alisertib, is one selective AURKA inhibitor that has shown remarkable anticancer effects in preclinical studies.
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CAS 1158838-45-9 Aurora A Inhibitor I

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