2. Signaling Pathways
  3. Metabolic Enzyme/Protease
  4. Phosphodiesterase (PDE)

Phosphodiesterase (PDE)

Phosphodiesterase (PDE)

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Phosphodiesterase (PDE) is any enzyme that breaks a phosphodiester bond. Usually, people speaking of phosphodiesterase are referring to cyclic nucleotide phosphodiesterases, which have great clinical significance and are described below. However, there are many other families of phosphodiesterases, including phospholipases C and D, autotaxin, sphingomyelin phosphodiesterase, DNases, RNases, and restriction endonucleases, as well as numerous less-well-characterized small-molecule phosphodiesterases. The cyclic nucleotide phosphodiesterases comprise a group of enzymes that degrade the phosphodiester bond in the second messenger molecules cAMP and cGMP. They regulate the localization, duration, and amplitude of cyclic nucleotide signaling within subcellular domains. PDEs are therefore important regulators ofsignal transduction mediated by these second messenger molecules.

Phosphodiesterase (PDE) Isoform Specific Products:

Phosphodiesterase (PDE) Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-119316A
    CM-545
    		Inhibitor
    (cis)-CM-414, the cis-isomer of CM-414, is a dual inhibitor of PDE5, HDAC1, HDAC2, HDAC3, and HDAC6 with pIC50 values of 7.47, 6.65, 6.14, 6.55, and 6.84, repectively.
    CM-545
  • HY-106996
    AWD 12-281
    		Inhibitor
    AWD 12-281 is an orally active and highly selective phosphodiesterase 4 (PDE4) inhibitor (IC50 = 9.7 nM). AWD 12-281 is used in the study of allergic dermatitis, asthma, chronic obstructive pulmonary disease (COPD), and allergic rhinitis.
    AWD 12-281
  • HY-B0204S2
    Pimobendan-d4
    		Inhibitor
    Pimobendan-d4 (UD-CG115-d4) is deuterium labeled Pimobendan (HY-B0204). Pimobendan (UD-CG115) is a selective inhibitor of PDE3 with IC50 of 0.32 μM.
    Pimobendan-d<sub>4</sub>
  • HY-129474
    MP 518
    		Inhibitor
    MP 518 is a PDE inhibitor with antihypertensive properties. MP 518 can inhibit cAMP degradation, causing an increase in ICa, and can also antagonize β-adrenergic stimulation, exerting vasodilation.
    MP 518
  • HY-29268
    β-Carboline-1-carboxylic acid
    		Inhibitor
    β-Carboline 1-carboxylic acid is a β-carboline alkaloid with anti-inflammatory, antifibrotic, antitumor and antibacterial activities. β-Carboline 1-carboxylic acid is the cAMP phosphodiesterase (IC50: 96 µM) and indoleamine 2, 3-dioxygenase (IDO) inhibitor. β-Carboline 1-carboxylic acid is cytotoxic to tumor cells. β-Carboline 1-carboxylic acid inhibits inflammation through the NF-κb/p65 pathway and can reverse epithelial-mesenchymal transition (EMT). In addition, β-Carboline 1-carboxylic acid has strong inhibitory activity against S. aureus (IC50: 47.70 μg/mL) and E. coli (IC50: 19.17 μg/mL).
    β-Carboline-1-carboxylic acid
  • HY-13344AR
    PF-8380 hydrochloride (Standard)
    		Inhibitor
    PF-8380 (hydrochloride) (Standard) is the analytical standard of PF-8380 (hydrochloride). This product is intended for research and analytical applications. PF-8380 hydrochloride is a potent autotaxin inhibitor with an IC50 of 2.8 nM in isolated enzyme assay and 101 nM in human whole blood.
    PF-8380 hydrochloride (Standard)
  • HY-17464R
    Cilostazol (Standard)
    		Inhibitor
    Cilostazol (Standard) is the analytical standard of Cilostazol. This product is intended for research and analytical applications. Cilostazol (OPC 13013) is a potent and selective inhibitor of phosphodiesterase (PDE) 3A, the isoform of PDE 3 in the cardiovascular system, with an IC50 of 0.2 μM.
    Cilostazol (Standard)
  • HY-120798
    4-Nitrophenyl phenylphosphonate
    		Substrate
    4-Nitrophenyl phenylphosphonate is a substrate for 5'-nucleotide phosphodiesterase.
    4-Nitrophenyl phenylphosphonate
  • HY-B0204A
    Pimobendan hydrochloride
    		Inhibitor
    Pimobendan hydrochloride (UD-CG115 hydrochloride) is a selective inhibitor of PDE3 with IC50 of 0.32 μM.
    Pimobendan hydrochloride
  • HY-70069R
    GSK256066 Trifluoroacetate (Standard)
    		Inhibitor
    GSK256066 (Trifluoroacetate) (Standard) is the analytical standard of GSK256066 (Trifluoroacetate). This product is intended for research and analytical applications. GSK256066 Trifluoroacetate is a selective and high-affinity phosphodiesterase 4 (PDE) inhibitor, with an IC50 of 3.2 pM for PDE4B. GSK256066 Trifluoroacetate is developed for the research of chronic obstructive pulmonary disease.
    GSK256066 Trifluoroacetate (Standard)
  • HY-B1505R
    Acefylline (Standard)
    		Inhibitor
    Acefylline (Standard) is the analytical standard of Acefylline. This product is intended for research and analytical applications. Acefylline, a xanthine derivative, is an adenosine receptor antagonist. Acefylline is a peptidylarginine deiminase (PAD) activator. Acefylline is also a bronchodilator and cardiac stimulant that inhibits rat lung cAMP phosphodiesterase isoenzymes. Acefylline can be used in asthma research.
    Acefylline (Standard)
  • HY-14930AR
    Mirodenafil dihydrochloride (Standard)
    		Inhibitor
    Mirodenafil (dihydrochloride) (Standard) is the analytical standard of Mirodenafil (dihydrochloride). This product is intended for research and analytical applications. Mirodenafil (SK3530) dihydrochloride is an orally active, potent, reversible, and selective phosphodiesterase 5 (PDE5) inhibitor. Mirodenafil dihydrochloride is a glucocorticoid receptor (GR) modulator Mirodenafil dihydrochloride activates the Wnt/β-catenin signaling pathway by downregulating Dkk1 expression. Mirodenafil dihydrochloride can be used for the research of erectile dysfunction (ED), Alzheimer’s disease (AD) and systemic sclerosis (SSc).
    Mirodenafil dihydrochloride (Standard)
  • HY-W740060
    Dipyridamole Mono-O-β-D-glucuronide
    		Inhibitor
    Dipyridamole Mono-O-β-D-glucuronide (compound M4) is a derivative of the phosphodiesterase (PDE) and BCRP inhibitor Dipyridamole (HY-B0312) and is an O-glucuronide.
    Dipyridamole Mono-O-β-D-glucuronide
  • HY-19026R
    Siguazodan (Standard)
    		Inhibitor
    Siguazodan (Standard) is the analytical standard of Siguazodan. This product is intended for research and analytical applications. Siguazodan (SKF 94836) is a potent, selective and orally active phosphodiesterase III (PDE-III) inhibitor with an IC50 of 117 nM. Siguazodan increases cAMP accumulation in intact platelets with an EC50 of 18.88 μM. Siguazodan also inhibits phenylephrine-induced 5-HT release with an IC50 value of 4.2 μM.
    Siguazodan (Standard)
  • HY-14286R
    Levosimendan (Standard)
    		Inhibitor
    Levosimendan (Standard) is the analytical standard of Levosimendan. This product is intended for research and analytical applications. Levosimendan (Simsndan; OR-1259) is a calcium sensitiser used in the management of acutely decompensated congestive heart failure.
    Levosimendan (Standard)
  • HY-109085R
    Difamilast (Standard)
    		Inhibitor
    Difamilast (Standard) is the analytical standard of Difamilast. This product is intended for research and analytical applications. Difamilast (OPA-15406) is a topical, selective and nonsteroidal phosphodiesterase-4 (PDE4) inhibitor with particularly efficient inhibition of subtype B (IC50=11.2 nM). Difamilast can be used for the research of mild to moderate atopic dermatitis (AD).
    Difamilast (Standard)
  • HY-14252R
    Milrinone (Standard)
    		Inhibitor
    Milrinone (Standard) is the analytical standard of Milrinone. This product is intended for research and analytical applications. Milrinone is a PDE3 inhibitor, and also an inotrope and vasodilator.
    Milrinone (Standard)
  • HY-69317
    RS14203
    		Inhibitor
    RS14203 is an orally active type IV cyclic nucleotide phosphodiesterase (PDE IV) inhibitor which can induce emesis.
    RS14203
  • HY-W011336R
    PDE5-IN-7 (Standard)
    		Inhibitor
    PDE5-IN-7 (Standard)
  • HY-114023
    BML-288
    		Inhibitor
    BML-288 (compound Oxindole 1) is a potent PDE2 inhibitor with an IC50 value of 40 nM. BML-288 has the potential for the research of osteoarthritis pain.
    BML-288
Cat. No. Product Name / Synonyms Application Reactivity
Phosphodiesterase (PDE) Isoform Comparison

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