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MI-503

Name: MI-503
Brand: Selleck Chemicals
SKU: S7817
Rating: 5 (9 reviews)

Catalog No.S7817 Purity:99.91%

MI-503 is a potent and selective Menin-MLL inhibitor with IC50 of 14.7 nM. It shows pronounced growth suppressive activity in a panel of human MLL leukemia cell lines(GI50 at 250 nM-570 nM range), but only a minimal effect in human leukemia cell lines without MLL translocations.

MI-503 Chemical Structure

CAS No. 1857417-13-0

Purity & Quality Control

Batch: Purity: 99.91%

99.91

MI-503 Related Products

Related Targets	Menin-MLL interaction WDR5-MLL interaction	Click to Expand
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Related Compound Libraries	Kinase Inhibitor Library FDA-approved Drug Library Natural Product Library Bioactive Compound Library-I Highly Selective Inhibitor Library	Click to Expand

Signaling Pathway

Histone Methyltransferase Signaling Pathway

Cell Data

Cell Lines	Assay Type	Concentration	Incubation Time	Formulation	Activity Description	PMID
mouse bone marrow cells	Growth inhibition assay		7 days		Growth inhibition of MLL-AF9 transformed mouse bone marrow cells after 7 days by MTT assay, GI50 = 0.22 μM.	26744767
Click to View More Cell Line Experimental Data

Biological Activity

Description

Targets

Menin-MLL interaction ^[1]
(Cell-free assay)

14.7 nM

In vitro
In vitro	Treatment of murine bone marrow cells (BMC) transformed with the MLL-AF9 oncogene with MI-503 results in substantial growth inhibition, with half-maximal growth inhibitory concentration (GI50) values of 0.22 μM, measured after 7 days of treatment. The cell growth inhibitory effect of MI-503 is time-dependent, with a pronounced effect achieved after 7-10 days of treatment. MI-503 is also very effective in inducing differentiation of MLL leukemia cells and substantially increases expression of CD11b, a myeloid differentiation marker. These effects are accompanied by reduced c-kit (CD117) expression, a marker associated with leukemia stem cells (LSCs). Treatment with sub-micromolar concentrations of MI-503 also leads to markedly reduced expression of Hoxa9 and Meis1, downstream targets of MLL fusion proteins substantially upregulated in MLL leukemias^[1].
Cell Research	Cell lines	MV4;11 human leukemia cells expressing MLL-AF4
	Concentrations	--
	Incubation Time	7days
	Method	For viability assays, leukemia cells are plated at relevant concentrations and treated with compounds or 0.25% DMSO and cultured at 37 °C for 7 days. Media is changed at day 4, viable cell numbers are restored to the original concentration and compounds are re-supplied. MTT cell proliferation assay kit is then employed, and plates are read for absorbance at 570 nm using a PHERAstar BMG microplate reader. Effect of menin-MLL inhibitors on expression level is assessed by Real-time quantitative PCR (qRT-PCR) after 6 days of incubation of compounds with cells, with media changed and compound re-supply at day 3. For cell differentiation studies, leukemia cells are treated with menin-MLL inhibitors for 7 days, then harvested, washed and incubated with Pacific Blue rat anti-mouse CD11b antibody before being analyzed by flow cytometry.
Experimental Result Images	Methods	Biomarkers	Images	PMID
	Western blot	MLL / Menin		27888797
	Growth inhibition assay	Cell viability		25817203

In Vivo
In vivo	MI-503 has very favorable drug-like properties, including metabolic stability and pharmacokinetic profile in mice. It blocks hematologic tumors in vivo and reduces MLL leukemia tumor burden. MI-503 achieves high level in peripheral blood following a single intravenous or oral dose, while also showing high oral bioavailability (~75%). Prolonged treatment (38 days) with MI-503 induces no toxicity in mice as reflected by no alterations in the body weight and no morphological changes in liver and kidney tissues. MI-503 could substantially improve survival of MLL leukemic mice and does not impair normal hematopoiesis in vivo^[1].
Animal Research	Animal Models	Mouse models of MLL leukemia (BALB/c nude mice)
	Dosages	15 mg/kg
	Administration	i.v.

References

[1] Borkin D, et al. Cancer Cell. 2015, 27(4):589-602.

Chemical Information & Solubility

Molecular Weight	564.63	Formula	C₂₈H₂₇F₃N₈S
CAS No.	1857417-13-0	SDF	Download MI-503 SDF
Smiles	CC1=C(C=CC2=C1C=C(N2CC3=CNN=C3)C#N)CN4CCC(CC4)NC5=C6C=C(SC6=NC=N5)CC(F)(F)F
Storage (From the date of receipt)	3 years-20°Cpowder	Storage of Stock Solutions Aliquot the stock solutions to avoid repeated freeze-thaw cycles	1 year-80°Cin solvent
Storage (From the date of receipt)	3 years-20°Cpowder		1 month-20°Cin solvent

In vitro
Batch:

DMSO : 100 mg/mL ( (177.1 mM) Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : 15 mg/mL

Water : Insoluble

Molecular Weight Calculator

In vivo Batch: Add solvents to the product individually and in order.					In vivo Formulation Calculator
	Clear solution	5% DMSO 1 95% Corn oil	0.125mg/ml (0.22mM)	Taking the 1 mL working solution as an example, add 50 μL of 2.5 mg/ml clear DMSO stock solution to 950 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results.	In vivo Formulation Calculator
Clear solution	5%DMSO 1 40%PEG300 2 5%Tween80 3 50%ddH2O	0.5mg/ml (0.89mM)	Taking the 1 mL working solution as an example, add 50 μL of 10 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 500 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results.
Clear solution	4% DMSO 1 40%PEG300 2 5%Tween80 3 51%ddH2O	5.0mg/ml (8.86mM)	Taking the 1 mL working solution as an example, add 40 μL of 125 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 510 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results.

Preparing Stock Solutions

Molarity Calculator

Mass	Concentration	Volume	Molecular Weight
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Dilution Calculator Molecular Weight Calculator

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

Dosage: mg/kg Average weight of animals: g Dosing volume per animal:μL Number of animals:

Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO + % + % Tween 80 + % ddH₂O

%DMSO+ %

Calculation results:

Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH₂O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

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

Tel: +1-832-582-8158 Ext:3
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