Home Cell Cycle Aurora Kinase inhibitor SNS-314 Mesylate For research use only.

SNS-314 Mesylate

SNS-314 Mesylate is a potent and selective inhibitor of Aurora A, Aurora B and Aurora C with IC50 of 9 nM, 31 nM, and 3 nM, respectively and less potent to Trk A/B, Flt4, Fms, Axl, c-Raf and DDR2.

SNS-314 Mesylate Chemical Structure

SNS-314 Mesylate Chemical Structure

CAS No. 1146618-41-8

Purity & Quality Control

SNS-314 Mesylate Related Products

Signaling Pathway

Aurora Kinase Signaling Pathways

Aurora Kinase Signaling Pathway

Biological Activity

Description SNS-314 Mesylate is a potent and selective inhibitor of Aurora A, Aurora B and Aurora C with IC50 of 9 nM, 31 nM, and 3 nM, respectively and less potent to Trk A/B, Flt4, Fms, Axl, c-Raf and DDR2.
Targets
Aurora C [1]
(Cell-free assay)		 Aurora A [1]
(Cell-free assay)		 Aurora B [1]
(Cell-free assay)
3 nM 9 nM 31 nM
In vitro
In vitro In HCT116 colorectal carcinoma cell line, with intact or depleted p53 protein levels, SNS-314 Mesylate shows enhanced efficacy when administered sequentially with other standard chemotherapeutic agents and the most profound synergies are identified for agents that activate the spindle assembly checkpoint, e.g., docetaxel and vincristine[2]. A recent study shows that SNS-314 Mesylate shows potent antiproliferative activity in HCT116 cells and inhibits soft agar colony formation[3].
Cell Research Cell lines HCT116 SCR and HCT116 p53 RNAi cells
Concentrations ~125 nM
Incubation Time 48 h
Method

Viability is measured using the CellTiter-Blue cell viability assay. Cells are treated as described above, although with a 5-day incubation period. Cytotoxicity is determined by measuring intracellular ATP using the CellTiter-Glo Luminescence Cell Viability Assay. Cells are seeded in white 96-well tissue culture plates at a density of 1.5-2 × 103 cells/well, and a serial dilution of SNS-314 is dosed in combination with fixed concentrations of either docetaxel or vincristine for a total of 72 hours. Viability is determined as the ratio between the ATP in treated cells versus control cells. Apoptosis is measured using the caspase-Glo 3/7 system. Cells are plated in white 96-well plates as described above and treated first with SNS-314 for 24 hours, washed with 200 μL of 1× PBS, and fresh medium is added with the second agent for 24 hours.
In Vivo
In vivo The sequential treatment with SNS-314 Mesylate followed by docetaxel 24 hours later produces a significant 72.5% tumor growth inhibition of HCT116 xenografts, while docetaxel and SNS-314 Mesylate as single agents produce no significant inhibition of HCT116 tumor growth[2]. In the HCT116 human colon cancer xenograft model, administration of 50 and 100 mg/kg SNS-314 Mesylate results a dose-dependent inhibition of histone H3 phosphorylation, indicating effective Aurora-B inhibition in vivo. In addition, HCT116 tumors from animals treated with SNS-314 Mesylate exhibits potent and sustained responses including reduction of phosphorylated histone H3 levels, increased caspase-3 and appearance of increased nuclear size[3].
Animal Research Animal Models HCT116 cells are injected s.c. into the right flank of nu/nu mice
Dosages ≤42.5 mg/kg
Administration Administered via i.p.

Chemical Information & Solubility

Molecular Weight 527.04 Formula

C18H15ClN6OS2.CH4O3S
CAS No. 1146618-41-8 SDF --
Smiles CS(=O)(=O)O.C1=CC(=CC(=C1)Cl)NC(=O)NC2=NC=C(S2)CCNC3=NC=NC4=C3SC=C4
Storage (From the date of receipt)

In vitro
Batch:

DMSO : 86 mg/mL ( (163.17 mM) Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Water : Insoluble

Ethanol : Insoluble


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In vivo
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Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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