MI-463

Catalog No.S7816 Batch:S781601

Technical Data

Formula	C₂₄H₂₃F₃N₆S
Molecular Weight	484.54	CAS No.	1628317-18-9
Solubility (25°C)*	In vitro	DMSO	96 mg/mL (198.12 mM)
		Ethanol	22 mg/mL (45.4 mM)
		Water	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

MI-463 is a potent inhibitor of Menin-MLL interaction with an IC50 value of 15.3 nM.

Targets

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

15.3 nM

In vitro

MI-463 demonstrates profound on-target activity in MLL leukemia cells. MI-463 results in substantial growth inhibition, with half-maximal growth inhibitory concentration (GI50) values of 0.23 μM, measured after 7 days of treatment in MLL leukemia cells. MI-463 is effective in inducing differentiation of MLL leukemia cells. Treatment with sub-micromolar concentrations of MI-463 also leads to markedly reduced expression of Hoxa9 and Meis1, downstream targets of MLL fusion proteins substantially upregulated in MLL leukemias^[1].

In vivo

MI-463 shows substantial survival benefit in mouse models of MLL leukemia. It has very favorable druglike properties, including metabolic stability and PK profile in mice. MI-463 achieves high levels in peripheral blood following a single intravenous or oral dose, while also showing high oral bioavailability(∼45%). In a mouse xenograft model using MV4;11 human MLL leukemia cells implanted into BALB/c nude mice, MI-463 induces strong inhibition of tumor growth with once-daily intraperitoneal (i.p.) administration. It does not impair normal hematopoiesis in vivo^[1].

Protocol (from reference)

Cell Assay:^{^[1]}	Cell lines leukemia cells Concentrations -- Incubation Time 6 or 7 days 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. Medium is changed at day 4, viable cell numbers are restored to the original concentration, and compounds are re-supplied. The MTT cell proliferation assay kit (Roche) is then used, 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 qRT-PCR after 6 days of incubation of compounds with cells, with medium 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.
Animal Study:^{^[1]}	Animal Models C57BL/6 mice Dosages 15 mg/kg Administration I.V.

Cell Assay:^{^[1]}

Cell lines
leukemia cells
Concentrations
--
Incubation Time
6 or 7 days
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. Medium is changed at day 4, viable cell numbers are restored to the original concentration, and compounds are re-supplied. The MTT cell proliferation assay kit (Roche) is then used, 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 qRT-PCR after 6 days of incubation of compounds with cells, with medium 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.

Animal Study:^{^[1]}

Animal Models
C57BL/6 mice
Dosages
15 mg/kg
Administration
I.V.

References

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

Selleck's MI-463 has been cited by 3 publications

Therapeutic targeting of metabolic vulnerabilities in cancers with MLL3/4-COMPASS epigenetic regulator mutations [ J Clin Invest, 2023, 133(13)e169993]	PubMed: 37252797
The human leukemic oncogene MLL-AF4 promotes hyperplastic growth of hematopoietic tissues in Drosophila larvae [ iScience, 2023, 26(10):107726]	PubMed: 37720104
Thioguanine Induces Apoptosis in Triple-Negative Breast Cancer by Regulating PI3K-AKT Pathway [ Front Oncol, 2020, 10:524922]	PubMed: 33194583

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SHIPPING AND STORAGE
Selleck products are transported at room temperature. If you receive the product at room temperature, please rest assured, the Selleck Quality Inspection Department has conducted experiments to verify that the normal temperature placement of one month will not affect the biological activity of powder products. After collecting, please store the product according to the requirements described in the datasheet. Most Selleck products are stable under the recommended conditions.

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