MLN0905

Catalog No.S2898 Batch:S289801

Technical Data

Formula	C₂₄H₂₅F₃N₆S
Molecular Weight	486.56	CAS No.	1228960-69-7
Solubility (25°C)*	In vitro	DMSO	97 mg/mL (199.35 mM)
		Water	Insoluble
		Ethanol	Insoluble
* <1 mg/ml means slightly soluble or insoluble. * Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations. * Room temperature shipping (Stability testing shows this product can be shipped without any cooling measures.)

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Biological Activity

Description

MLN0905 is a potent inhibitor of PLK1 with IC50 of 2 nM.

Targets

PLK1 ^[1]

2 nM

In vitro

MLN0905 is a potent inhibitor of PLK1 with IC50 of 2 nM. MLN0905 inhibits cell mitosis with EC50 of 9 nM. MLN0905 inhibits Cdc25C-T96 phosphorylation, a direct readout of PLK1 inhibition with EC50 of 29 nM. MLN0905 inhibits HT-29 viability with LD50 of 22 nM. MLN0905 possesses reasonable selectivity against a panel of 359 kinases. ^[1] MLN0905 inhibits a panel of lymphoma cells viability with IC50 of 3 – 24 nM. ^[2]

In vivo

Nude mice bearing HT-29 xenografts administered with MLN0905 (6.25 mg/Kg - 50 mg/Kg, p.o.) shows dose-dependent pharmacodynamic responses (48 hours after treatment). OCI LY-19-Luc tumor bearing mice administered with MLN0905 (3.12 mg/Kg – 6.25 mg/Kg, p.o.) shows significant pharmacodynamic responses amd peaks at 8 hours after treatment. ^[1] MLN0905 shows antitumor efficacy in treatment with OCI LY-19-Luc xenografts bearing scid mice for 21 days. The T/C of 6.25 mg/Kg daily group is 0.15. ^[2]

Protocol (from reference)

Kinase Assay:^{^[1]}	PLK1 Flash Plate Assay The human PLK1 enzymatic reaction totaling 30μL contained 50 mM Tris-HCl (pH 8.0), 10 mM MgCl₂, 0.02% BSA, 10% glycerol, 1 mM DTT, 100 mM NaCl, 3.3% DMSO, 8 μM ATP, 0.2μCi [γ- ³³ P]-ATP, 4μM peptide substrate (Biotin-AHX-LDETGHLDSSGLQEVHLA-CONH2), and 10 nM recombinant human PLK1[2–369]T210D. The enzymatic reaction mixture, with or without PLK inhibitors, is incubated for 2.5 h at 30℃before termination with 20μL of 150 mM EDTA. Then 25μL of the stopped enzyme reaction mixture is transferred to a 384-well streptavidin coated Image FlashPlate and incubated at room temperature for 3 h. The Image Flash Plate wells are washed three times with 0.02% Tween-20 and then read on the Perkin-Elmer Viewlux.

Kinase Assay:^{^[1]}

PLK1 Flash Plate Assay
The human PLK1 enzymatic reaction totaling 30μL contained 50 mM Tris-HCl (pH 8.0), 10 mM MgCl₂, 0.02% BSA, 10% glycerol, 1 mM DTT, 100 mM NaCl, 3.3% DMSO, 8 μM ATP, 0.2μCi [γ- ³³ P]-ATP, 4μM peptide substrate (Biotin-AHX-LDETGHLDSSGLQEVHLA-CONH2), and 10 nM recombinant human PLK1[2–369]T210D. The enzymatic reaction mixture, with or without PLK inhibitors, is incubated for 2.5 h at 30℃before termination with 20μL of 150 mM EDTA. Then 25μL of the stopped enzyme reaction mixture is transferred to a 384-well streptavidin coated Image FlashPlate and incubated at room temperature for 3 h. The Image Flash Plate wells are washed three times with 0.02% Tween-20 and then read on the Perkin-Elmer Viewlux.

References

Selleck's MLN0905 has been cited by 2 publications

The construction of drug-resistant cancer cell lines by CRISPR/Cas9 system for drug screening [L Zhang Science Bulletin, 2018, 10.1016/j.scib.2018.09.024]
Polo-like-kinase 1 is a proviral host-factor for hepatitis B virus replication. [Diab AM, et al. Hepatology, 2017, 10.1002/hep.29236]	PubMed: 28445592

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SHIPPING AND STORAGE
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