Eganelisib (IPI-549)
For research use only.
Catalog No.S8330
10 publications

CAS No. 1693758-51-8
Eganelisib (IPI-549) is a potent inhibitor of PI3K-γ with >100-fold selectivity over other lipid and protein kinases. The biochemical IC50 for PI3K-γ is 16 nM.
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Biological Activity
Description | Eganelisib (IPI-549) is a potent inhibitor of PI3K-γ with >100-fold selectivity over other lipid and protein kinases. The biochemical IC50 for PI3K-γ is 16 nM. | ||||||
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Targets |
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In vitro |
IPI-549 is found to be a remarkably tight binder to PI3K-γ with a Kd of 290 pM and >58-fold weaker affinity for other Class I PI3K isoforms. It does not significantly inhibit a panel of 468 mutant and nonmutant protein and lipid kinases (including Class II PI3K isoforms) at 1 μM. In PI3K-α, -β, -γ, and -δ dependent cellular phospho-AKT assays, IPI-549 demonstrates excellent PI3K-γ potency (IC50 = 1.2 nM) and selectivity against other Class I PI3K isoforms (>146-fold). Furthermore, IPI-549 dose dependently inhibits PI3K-γ-dependent bone marrow-derived macrophage (BMDM) migration in vitro. IPI-549 is also found to be selective against a panel of 80 GPCRs, ion channels, and transporters at 10 μM. In vitro, IPI-549 shows moderate to high cell permeability across Caco-2 cell monolayers, is slowly metabolized in cultured hepatocytes (t1/2 > 360 min), and demonstrates IC50s greater than 20 μM for the CYP isoforms tested (1A2, 2B6, 2C8, 2C9, 2C19, 2D6, 3A4)[1]. |
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Assay |
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In vivo | In vivo (mice, rats, dog, and monkeys), IPI-549 has excellent oral bioavailability, low clearance, and distributes into tissues with a mean volume of distribution of 1.2 L/kg. It has a favorable pharmacokinetic profile to allow potent and selective inhibition of PI3K-γ in vivo. IPI-549 can significantly reduce neutrophil migration in a dose-dependent manner in mouse model when administered orally at all of the tested doses. In addition, IPI-54 has been shown to inhibit tumor growth in murine syngeneic models through alteration of immune cells in the tumor microenvironment[1]. |
Protocol
Cell Research: |
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Animal Research: |
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Solubility (25°C)
In vitro | DMSO | 100 mg/mL (189.19 mM) |
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Ethanol | 8 mg/mL (15.13 mM) | |
Water | 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.
Chemical Information
Molecular Weight | 528.56 |
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Formula | C30H24N8O2 |
CAS No. | 1693758-51-8 |
Storage |
powder in solvent |
Synonyms | N/A |
Smiles | CC(C1=CC2=C(C(=CC=C2)C#CC3=CN(N=C3)C)C(=O)N1C4=CC=CC=C4)NC(=O)C5=C6N=CC=CN6N=C5N |
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 | ul | Number of animals | ||||
Step 2: Enter the in vivo formulation () | ||||||||||
% DMSO % % Tween 80 % ddH2O | ||||||||||
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Calculation results:
Working concentration: mg/ml;
Method for preparing DMSO master liquid: : mg drug pre-dissolved in μL DMSO (Master liquid concentration mg/mL,)
Method for preparing in vivo formulation:Take DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80,mix and clarify, next add μL ddH2O,mix and clarify.
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.
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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.
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