1. Cell Cycle/DNA Damage Vitamin D Related/Nuclear Receptor Metabolic Enzyme/Protease
  2. PPAR Phosphodiesterase (PDE)
  3. EL244

EL244 is a dua Autotaxin (ATX) (IC50 = 50 nM) inhibitor and PPARγ (IC50 = 1.3 μM; Kd = 1.3 μM) agonist. EL244 demonstrates low cytotoxicity in human HepG2 cells (EC50 = 81.2 μM) with minimal inhibition of the cardiac hERG potassium channel (12% at 25 μM). EL244 significantly reduces pulmonary Lysophosphatidic Acid (LPA) levels, attenuates fibrosis, and restores respiratory function with limited systemic absorption in vivo. EL244 can be used for idiopathic pulmonary fibrosis and interstitial lung disease (ILD) research.

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EL244

EL244 Chemical Structure

CAS No. : 3047548-70-6

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Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
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10 mM * 1 mL in DMSO In-stock
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Based on 1 publication(s) in Google Scholar

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Description

EL244 is a dua Autotaxin (ATX) (IC50 = 50 nM) inhibitor and PPARγ (IC50 = 1.3 μM; Kd = 1.3 μM) agonist. EL244 demonstrates low cytotoxicity in human HepG2 cells (EC50 = 81.2 μM) with minimal inhibition of the cardiac hERG potassium channel (12% at 25 μM). EL244 significantly reduces pulmonary Lysophosphatidic Acid (LPA) levels, attenuates fibrosis, and restores respiratory function with limited systemic absorption in vivo. EL244 can be used for idiopathic pulmonary fibrosis and interstitial lung disease (ILD) research[1].

IC50 & Target[1]

PPAR-γ

1.3 μM (IC50)

Autotaxin

50 nM (IC50)

Parmacokinetics
Species Dose Route Cmax
Mice[1] 30 mg/kg i.p. 40 μM
In Vivo

EL244 (15 mg/kg, 15 mg/kg, once) exhibits favorable lung-targeted pharmacokinetics, characterized by high pulmonary retention, slow local clearance, and limited systemic absorption in the BLM (Bleomycin) (HY-108345) (oropharyngeal aspiration, 0.8 U/Kg)-induced mice model of pulmonary fibrosis[1].
EL244 (15 mg/kg, inhaled administration, once daily for 15 days) post and before BLM administration has anti-fibrotic prophylactic effects in the BLM (oropharyngeal aspiration, 0.8 U/Kg)-induced model of pulmonary fibrosis in the BLM (oropharyngeal aspiration, 0.8 U/Kg)-induced mice model of pulmonary fibrosis[1].
EL244 (30 mg/kg, i.p., once) demonstrates favorable pharmacokinetics, achieving a plasma concentration of 40 μM within 1 hour, maintaining levels around 35 μM for up to 3 hours, and remaining detectable at approximately 15 μM even 9 hours post-dose, with its maximal pharmacodynamic effect coinciding at the 3-hour time point in the BLM (oropharyngeal aspiration, 0.8 U/Kg)-induced mice model of pulmonary fibrosis[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: BLM (oropharyngeal aspiration, 0.8 U/Kg)-induced mice[1]
Dosage: 15 mg/Kg
Administration: Inhaled administration, once daily for 7 days
Result: Diminished inflammation, Appeared fibrotic regions.
Restored all assessed respiratory functions and reduced vascular permeability.
Demonstrated strong anti-fibrotic effects, significantly reducing soluble collagen in BALF and Col1a1 expression in lung tissue.
Reduced collagen deposition and fewer and smaller fibrotic regions.
Animal Model: BLM (oropharyngeal aspiration, 0.8 U/Kg)-induced mice[1]
Dosage: 15 mg/Kg
Administration: Inhaled administration, once daily for 15 days
Result: Improved respiratory functions.
Reduced BLM-induced pulmonary oedema and inflammation.
Reduced Soluble collagen levels in BALF and Col1a1 mrna expression in lung tissue.
Attenuated collagen deposition and the reduction of fibrotic regions.
Not caused any appreciable toxicity in the liver, as indicated by the ALT/AST levels.
Molecular Weight

537.46

Formula

C25H26Cl2N2O5S

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O=C1NC(C(S1)CC2=CC=C(C=C2)OCCC3CCN(CC3)C(OCC4=CC(Cl)=CC(Cl)=C4)=O)=O

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (186.06 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.8606 mL 9.3030 mL 18.6060 mL
5 mM 0.3721 mL 1.8606 mL 3.7212 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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Purity & Documentation
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 1.8606 mL 9.3030 mL 18.6060 mL 46.5151 mL
5 mM 0.3721 mL 1.8606 mL 3.7212 mL 9.3030 mL
10 mM 0.1861 mL 0.9303 mL 1.8606 mL 4.6515 mL
15 mM 0.1240 mL 0.6202 mL 1.2404 mL 3.1010 mL
20 mM 0.0930 mL 0.4652 mL 0.9303 mL 2.3258 mL
25 mM 0.0744 mL 0.3721 mL 0.7442 mL 1.8606 mL
30 mM 0.0620 mL 0.3101 mL 0.6202 mL 1.5505 mL
40 mM 0.0465 mL 0.2326 mL 0.4652 mL 1.1629 mL
50 mM 0.0372 mL 0.1861 mL 0.3721 mL 0.9303 mL
60 mM 0.0310 mL 0.1551 mL 0.3101 mL 0.7753 mL
80 mM 0.0233 mL 0.1163 mL 0.2326 mL 0.5814 mL
100 mM 0.0186 mL 0.0930 mL 0.1861 mL 0.4652 mL
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  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Product Name:
EL244
Cat. No.:
HY-179580
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