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MLN-4760 is a novel, potent and selective human angiotensin-converting (ACE2) inhibitor with IC50 of 0.44 nM and with excellent selectivity (>5000-fold) versus related enzymes including human testicular ACE (IC50, >100 μM) and bovine carboxypeptidase A (CPDA; IC50, 27 μM). In huMNCs, MLN-4760-B detected 63% ACE2 with 28-fold selectivity over ACE.
| ln Vitro |
When compared to similar enzymes such as human testicular ACE (IC50, >100 μM) and bovine carboxypeptidase A (CPDA; IC50, 27), MLN-4760 exhibits superior performance as a strong and selective inhibitor of human ACE2 (IC50, 0.44 nM) with excellent selectivity (>5000x) micron) [1]. In rhACE2, MLN-4760 efficiently prevents 7-Mca-YVADAPK(Dnp) from being cleaved. MLN-4760 had a pIC50 of 8.5±0.1 for rhACE2 and 4.4±0.2 for rhACE. Additionally, in mouse heart and mononuclear cells (MNC), MLN-4760 demonstrated pIC50 values of 4.7±0.1, 6.9±0.1 for rhACE2 and 4.4±0.1, 6.2±0.1 for ACE [2].
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| ln Vivo |
Although MLN-4760 (100 μM, intracerebroventricular infusion for five days) does not significantly increase infarct volume, it significantly affects neurological function at four hours and three days following stroke [3].
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| References |
[1]. Dales NA, et al. Substrate-based design of the first class of angiotensin-converting enzyme-related carboxypeptidase (ACE2) inhibitors. J Am Chem Soc. 2002 Oct 9;124(40):11852-3.
[2]. Joshi S, et al. Angiotensin converting enzyme versus angiotensin converting enzyme-2 selectivity of MLN-4760 and DX600 in human and murine bone marrow-derived cells. Eur J Pharmacol. 2016 Mar 5;774:25-33. [3]. Bennion DM, et al. Activation of the Neuroprotective Angiotensin-Converting Enzyme 2 in Rat Ischemic Stroke. Hypertension. 2015 Jul;66(1):141-8 |
| Molecular Formula |
C19H23CL2N3O4
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|---|---|
| Molecular Weight |
428.3096
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| CAS # |
305335-31-3
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| Related CAS # |
(R)-MLN-4760;305335-29-9
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| SMILES |
CC(C)C[C@H](N[C@@H](CC1=CN=CN1CC2=CC(Cl)=CC(Cl)=C2)C(O)=O)C(O)=O
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| InChi Key |
NTCCRGGIJNDEAB-IRXDYDNUSA-N
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| InChi Code |
InChI=1S/C19H23Cl2N3O4/c1-11(2)3-16(18(25)26)23-17(19(27)28)7-15-8-22-10-24(15)9-12-4-13(20)6-14(21)5-12/h4-6,8,10-11,16-17,23H,3,7,9H2,1-2H3,(H,25,26)(H,27,28)/t16-,17-/m0/s1
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| Chemical Name |
(2S)-2-[[(2S)-3-[3-[(3,5-dichlorophenyl)methyl]imidazol-4-yl]-1-hydroxy-1-oxopropan-2-yl]amino]-4-methylpentanoic
acid
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| Synonyms |
MLN-4760 MLN 4760 MLN4760.
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
H2O : ~100 mg/mL (~233.48 mM)
DMSO : ~50 mg/mL (~116.74 mM) |
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| Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 2.5 mg/mL (5.84 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. Solubility in Formulation 2: ≥ 2.5 mg/mL (5.84 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly. Preparation of 20% SBE-β-CD in Saline (4°C，1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution. View More
Solubility in Formulation 3: ≥ 2.5 mg/mL (5.84 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution. |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 2.3348 mL | 11.6738 mL | 23.3476 mL | |
| 5 mM | 0.4670 mL | 2.3348 mL | 4.6695 mL | |
| 10 mM | 0.2335 mL | 1.1674 mL | 2.3348 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution 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 stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
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