1. Metabolic Enzyme/Protease TGF-beta/Smad Stem Cell/Wnt Immunology/Inflammation Apoptosis Cytoskeleton
  2. Phosphodiesterase (PDE) PKA Interleukin Related TNF Receptor Collagen
  3. Phosphodiesterase-IN-5

Phosphodiesterase-IN-5 is a potent, orally active and selective phosphodiesterase 10A (PDE10A) inhibitor with an IC50 of 6.2 nM. Phosphodiesterase-IN-5 shows >1612-fold selectivity over other PDEs. Phosphodiesterase-IN-5 exhibits potent antifibrotic efficacy in a Bleomycin (BLM) (HY-108345)-induced murine model of pulmonary fibrosis (PF) by blocking myofibroblast differentiation via the cAMP/PKA/CREB signaling pathway. Phosphodiesterase-IN-5 can be used for the research of PF.

For research use only. We do not sell to patients.

Phosphodiesterase-IN-5

Phosphodiesterase-IN-5 Chemical Structure

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Description

Phosphodiesterase-IN-5 is a potent, orally active and selective phosphodiesterase 10A (PDE10A) inhibitor with an IC50 of 6.2 nM. Phosphodiesterase-IN-5 shows >1612-fold selectivity over other PDEs. Phosphodiesterase-IN-5 exhibits potent antifibrotic efficacy in a Bleomycin (BLM) (HY-108345)-induced murine model of pulmonary fibrosis (PF) by blocking myofibroblast differentiation via the cAMP/PKA/CREB signaling pathway. Phosphodiesterase-IN-5 can be used for the research of PF[1].

IC50 & Target[1]

PDE10A

6.2 nM (IC50)

In Vitro

Phosphodiesterase-IN-5 (compound QC-3) (5-20 μM; 48 h) exhibits antifibrotic activity in TGF-β1 (HY-163536)-stimulated MRC-5 cells via activation of the cAMP/PKA/CREB pathway, which inhibits myofibroblast differentiation and ECM deposition[1].
Phosphodiesterase-IN-5 binds the catalytic domain of PDE10A, forming hydrogen bonds with Gln726 and hydrophobic interactions with Ile692, while the 6-F substituent enables halogen bonding with Asp674 via a water molecule[1].

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

Cell Viability AssayWestern Blot AnalysisCell Proliferation AssayApoptosis AnalysisCell Cytotoxicity AssayCell Cycle AnalysisRT-PCRCell Autophagy AssayImmunofluorescenceCell Differentiation AssayCell [1]

Cell Line: MRC-5 cells
Concentration: 3.125, 6.25, 12.5, 25, 50, 100, 200 μM
Incubation Time: 48 h
Result: Showed no cytotoxic in MRC-5 cells at concentrations up to 200 μM.

Western Blot Analysis[1]

Cell Line: TGF-β1-stimulated MRC-5 cells
Concentration: 5, 10, 20 μM
Incubation Time: 48 h
Result: Demonstrated concentration-dependent reductions in FN, COL-I, and α-SMA protein expression.
Parmacokinetics
Species Dose Route T1/2 Tmax Cmax AUC0-t AUC0-∞ MRT0-t CL Vss F
Rat[1] 5.0 mg/kg p.o. 1.04 h 0.5 h 680.1 ng/mL 1351.6 ng·h/mL 1356.3 ng·h/mL 1.68 h 3.87 L/h/kg 5.86 L/kg 47.3 %
Rat[1] 1.0 mg/kg i.v. 1.12 h 0.08 h 962.0 ng/mL 573.3 ng·h/mL 573.3 ng·h/mL 0.60 h 1.75 L/h/kg 2.76 L/kg /
In Vivo

Phosphodiesterase-IN-5 (10 mg/kg, i.g., daily for 21 days) exhibts potent antifibrotic efficacy in a BLM-induced murine model of PF by blocking myofibroblast differentiation via the cAMP/PKA/CREB signaling pathway[1].

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

Animal Model: Male C57BL/6 mice (7-9 weeks old, 20-24 g) induced by BLM[1]
Dosage: 2.5, 5, 10 mg/kg
Administration: i.g.; daily for 21 days
Result: Dose-dependently reversed BLM-induced changes in Penh, endexpiratory pause (EEP), relaxation time (RT), andfrequency (f), nearly restoring them to normal levels.
Mitigated BLM-induced body weight loss and elevated lung coefficient in a dose-dependent manner.
Reduced IL-6 and TGF-β levels in broncho alveolar lavage fluid (BALF), and restored pulmonary cAMP levels.
Markedly reduced BLM-induced increases in IL-6 and TGF-β levels in BALF, with the mos pronounced inhibition observed at the 10 mg/kg dose.
Restored pulmonary cAMP levels.
Improved pulmonary morphology.
Effectively reduced the level of alveolar wall thickening, inflammatory cell infiltration, and collagen deposition.
Showed a dose-dependent reduction in fibrotic lesions.
Significantly suppressed the BLM- induced overexpression of fibrotic markers such as FN, COL-I, and α-SMA, with the most pronounced effect observed at a dose of 10 mg/kg.
Molecular Weight

471.53

Formula

C26H26FN7O

SMILES

O=C(C1=C(C2CN(C3=NC(C)=C4C=CC=CC4=N3)C2)N=C5C=CC(F)=CN51)N(C6)CCNC76CC7

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Purity & Documentation
References
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Help & FAQs
  • 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:
Phosphodiesterase-IN-5
Cat. No.:
HY-179645
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