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-14930A
    Mirodenafil dihydrochloride
    		Inhibitor 99.11%
    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
  • HY-B0051
    Carbazeran
    		Inhibitor 99.94%
    Carbazeran, a potent phosphodiesterase inhibitor, is aldehyde oxidase substrate. Carbazeran can be used for the research of metabolic disease.
    Carbazeran
  • HY-P2878
    Phosphodiesterase I
    Phosphodiesterase I (PDE) is an enzyme that can catalyze the hydrolysis of the 3' ring phosphate bond of cyclic nucleotides, and is often used in biochemical research. Phosphodiesterase I acts as an important regulator of signal transduction mediated by the second messenger molecules cAMP and cGMP. According to their specificity to cyclic nucleotides, they can also be divided into different types, such as PDE1-PDE11, which also have certain potential in various diseases.
    Phosphodiesterase I
  • HY-145924
    BAY 2666605
    		Inhibitor 99.74%
    BAY 2666605 is an orally active PDE3A and PDE3B inhibitor with IC50s of 87 nM and 50 nM, respectively. BAY 2666605 is a PDE3A-SLFN12 complex inducer (WO2019025562A1; example 135).
    BAY 2666605
  • HY-18740A
    Trequinsin hydrochloride
    		Inhibitor 99.86%
    Trequinsin hydrochloride (HL 725) is a PDE inhibitor, CatSper channel activator, and sperm potassium channel modulator. Trequinsin hydrochloride targets PDE3 with an IC50 of <1 nM. Trequinsin hydrochloride enhances currents and elevates intracellular calcium and cGMP levels via direct activation of the CatSper channel, while inhibiting the outward current conductance of sperm potassium channels. Without inducing premature acrosome reaction, Trequinsin hydrochloride significantly enhances sperm hyperactivated motility, forward motility, and the ability to penetrate viscous media. Trequinsin hydrochloride exerts age-specific positive inotropic and positive lusitropic effects on rabbit ventricular papillary muscles. Trequinsin hydrochloride has been used in studies on the mechanisms underlying male infertility (e.g., asthenozoospermia).
    Trequinsin hydrochloride
  • HY-115687
    PDE4B-IN-2
    		Inhibitor 99.59%
    PDE4B-IN-2 is an orally active and selective PDE4B inhibitor with an IC50 of 15 nM. PDE4B-IN-2 inhibits PDE4D (IC50=1.7 μM). PDE4B-IN-2 exhibits potent anti-inflammatory effects.
    PDE4B-IN-2
  • HY-N5012
    Eurycomanone
    		Inhibitor 99.85%
    Eurycomanone could increases spermatogenesis by inhibiting the activity of phosphodiesterase and aromatase in steroidogenesis.
    Eurycomanone
  • HY-15441
    Edelinontrine
    		Inhibitor 99.85%
    Edelinontrine (PF-04447943) is a potent inhibitor of human recombinant PDE9A (IC50=12 nM) with >78-fold selectivity, respectively, over other PDE family members (IC50>1000 nM).
    Edelinontrine
  • HY-B0442A
    Vardenafil hydrochloride
    		Inhibitor 99.79%
    Vardenafil hydrochloride is a selective and orally active inhibitor of phosphodiesterase-5 (PDE5), with an IC50 of 0.7 nM. Vardenafil hydrochloride shows inhibitory towards PDE1, PDE6 with IC50s of 180 nM, and 11 nM, while IC50s are >1000 nM for PDE3 and PDE4. Vardenafil hydrochloride competitively inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels. Vardenafil hydrochloride can be used for the research of erectile dysfunction, hepatitis, diabetes[1]-[6].
    Vardenafil hydrochloride
  • HY-N0579
    Fraxin
    		Inhibitor 99.88%
    Fraxin isolated from Cortex Fraxini, is a glucoside of fraxetin and reported to exert potent anti-oxidative stress action, anti-inflammatory and antimetastatic properties. Fraxin shows its antioxidative effect through inhibition of cyclo AMP phosphodiesterase enzyme.
    Fraxin
  • HY-147389
    Enpp-1-IN-14
    		Inhibitor 99.67%
    Enpp-1-IN-14 (Compound 015) is a potent Ectonucleotide Pyrophosphatase/Phosphodiesterase-1 (ENPP1) inhibitor with an IC50 value of 32.38 nM for recombinant human ENPP-1. Enpp-1-IN-14 has anti-tumor activity.
    Enpp-1-IN-14
  • HY-153093
    Elpipodect
    		Inhibitor 98.95%
    Elpipodect (MK-8189) is an orally active and selective PDE10A inhibitor with a Ki value of 29 pM. Elpipodect can be used in research of schizophrenia.
    Elpipodect
  • HY-A0027
    Fenspiride hydrochloride
    		Inhibitor 99.70%
    Fenspiride, an orally active non-steroidal antiinflammatory agent, is an antagonist of H1-histamine receptor. Fenspiride inhibites phosphodiesterase 3 (PDE3), phosphodiesterase 4 (PDE4) and phosphodiesterase 5 (PDE5) activities with -log IC50 values of 3.44, 4.16 and approximately 3.8, respectively. Fenspiride can be used for the research of respiratory diseases.
    Fenspiride hydrochloride
  • HY-145344
    ONO-8430506
    		Inhibitor 99.90%
    ONO-8430506 is an orally bioavailable and potent autotaxin (ATX)/ENPP2 inhibitor with the IC90 of 100 nM for ATX activity in mouse plasma.
    ONO-8430506
  • HY-136350
    BRD9500
    		Modulator 98.41%
    BRD9500 is an orally active phosphodiesterases 3 (PDE3) inhibitor with IC50s of 10 and 27 nM for PDE3A and PDE3B, respectively. Antitumor activity.
    BRD9500
  • HY-10469
    GSK256066
    		Inhibitor 98.69%
    GSK256066 is a selective and high-affinity phosphodiesterase 4 (PDE4) inhibitor, with an IC50 of 3.2 pM for PDE4B. GSK256066 is developed for the research of chronic obstructive pulmonary disease.
    GSK256066
  • HY-W028690
    DNMDP
    		Inhibitor 99.46%
    DNMDP, a phosphodiesterase 3A (PDE3A) inhibitor, is a potent and selective cancer cell cytotoxic agent. DNMDP binding to PDE3A promotes an interaction between PDE3A and Schlafen 12 (SLFN12). DNMDP shows clear cell-selective cytotoxicity.
    DNMDP
  • HY-10790
    Cilomilast
    		Inhibitor 99.91%
    Cilomilast (SB-207499) is a potent, selective and orally active inhibitor of Phosphodiesterase 4 (PDE4), with IC50s of ~100 and 120 nM for LPDE4 and HPDE4, respectively. Cilomilast shows selectivity for PDE4 over PDE1, PDE2, PDE3 and PDE5 (IC50=74, 65, >100, and 83 μM, respectively). Cilomilast has anti-inflammatory and immunomodulatory effects and can be used for thr research of asthma and chronic obstructive pulmonary disease (COPD).
    Cilomilast
  • HY-100639
    Roflumilast N-oxide
    		Inhibitor 99.52%
    Roflumilast N-oxide is a PDE type 4 inhibitor.
    Roflumilast N-oxide
  • HY-18253
    Udenafil
    		Inhibitor 99.28%
    Udenafil (DA8159) is a potent, selective and orally active phosphodiesterase type 5 (PDE5) inhibitor. Udenafil also inhibits cGMP hydrolysis and can be used for erectile dysfunction research.
    Udenafil
Cat. No. Product Name / Synonyms Application Reactivity
Phosphodiesterase (PDE) Isoform Comparison

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