MLi-2

Modify Date: 2024-01-02 14:58:54

MLi-2 Structure
MLi-2 structure
Common Name MLi-2
CAS Number 1627091-47-7 Molecular Weight 379.456
Density 1.3±0.1 g/cm3 Boiling Point 625.8±55.0 °C at 760 mmHg
Molecular Formula C21H25N5O2 Melting Point N/A
MSDS N/A Flash Point 332.3±31.5 °C

 Use of MLi-2


MLi-2 is an a potent, highly selective, orally available, brain penetrant inhibitor of LRRK2 with an IC50 of 0.76 nM.

 Names

Name MLI-2
Synonym More Synonyms

 MLi-2 Biological Activity

Description MLi-2 is an a potent, highly selective, orally available, brain penetrant inhibitor of LRRK2 with an IC50 of 0.76 nM.
Related Catalog
Target

IC50: 0.76 nM (LRRK2)[1]

In Vitro MLi-2 exhibits exceptional potency in a purified LRRK2 kinase assay in vitro( IC50=0.76 nM), a cellular assay monitoring dephosphorylation of LRRK2 pSer935 LRRK2 (IC50=1.4 nM), and a radioligand competition binding assay (IC50=3.4 nM). MLi-2 has greater than 295-fold selectivity for over 300 kinases in addition to a diverse panel of receptors and ion channels[1].
In Vivo Acute oral and subchronic dosing in MLi-2 mice results in dose-dependent central and peripheral target inhibition over a 24-hour period as measured by dephosphorylation of pSer935 LRRK2. Treatment of MitoPark mice with MLi-2 is well tolerated over a 15-week period at brain and plasma exposures. Morphologic changes in the lung, consistent with enlarged type II pneumocytes, are observed in MLi-2-treated MitoPark mice[1].
Kinase Assay MLi-2 dose response is prepared by diluting a 10 mM stock of MLi-2 to a top concentration of 98 μM in 100% DMSO followed by serial dilution by 1:2.15 in DMSO nine times. Four hundred nanoliters of each dilution is spotted via a Labcyte Echo onto a 384-well black-sided plate followed by 10 μL of a 2.5 nM enzyme solution in 1xassay buffer. Following a 30-minute incubation at room temperature, the kinase reaction is started with the addition of 10 μL of 800 nM fluorescein-labeled LRRKtide peptide substrate and 186 μM ATP solution in 1x assay buffer. The reaction is allowed to progress at 25°C for 1 hour. The reaction is then stopped by the addition of 20 μL of TR-FRET Dilution Buffer containing 4 nM Tb-labeled anti-phospho LRRKtide antibody and 20 mM EDTA. After an incubation of 1 hour at room temperature, the plate is read on 340, 520 and 495 nm[1].
Animal Admin Mice: MLi-2 is suspended in 30% Captisol and administered in a volume of 10 mL/kg. Dose calculations are on the basis of active moiety. Mice receive MLi-2 [1-100 mg/kg; by mouth (PO)], or vehicle 1 hour prior to euthanasia by excess CO2. Immediately following euthanasia, mouse brain cortex is dissected and frozen on a steel plate over dry ice for analysis of pSer935 LRRK2 via Western Blot. Plasma and brain samples are collected and frozen for determination of MLi-2 levels by LC-MS/MS[1].
References

[1]. Fell MJ, et al. MLi-2, a Potent, Selective, and Centrally Active Compound for Exploring the Therapeutic Potential and Safety of LRRK2 Kinase Inhibition. J Pharmacol Exp Ther. 2015 Dec;355(3):397-409.

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 625.8±55.0 °C at 760 mmHg
Molecular Formula C21H25N5O2
Molecular Weight 379.456
Flash Point 332.3±31.5 °C
Exact Mass 379.200836
LogP 3.42
Vapour Pressure 0.0±1.8 mmHg at 25°C
Index of Refraction 1.628
Storage condition 2-8℃

 Synonyms

1H-Indazole, 3-[6-[(2R,6S)-2,6-dimethyl-4-morpholinyl]-4-pyrimidinyl]-5-[(1-methylcyclopropyl)oxy]-
3-{6-[(2R,6S)-2,6-Dimethyl-4-morpholinyl]-4-pyrimidinyl}-5-[(1-methylcyclopropyl)oxy]-1H-indazole
MLI-2
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