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-U00208
    Prinoxodan
    		Inhibitor 99.83%
    Prinoxodan (RGW2938) is a phosphodiesterase inhibitor.
    Prinoxodan
  • HY-14254
    Olprinone Hydrochloride
    		Inhibitor 99.85%
    Olprinone (Loprinone) Hydrochloride is a potent phosphodiesterase (PDE) 3 inhibitor, with IC50s of 150, 100, 0.35 and 14 μM for PDE1, PDE2, PDE3 and PDE4, respectively. Olprinone Hydrochloride is used for the research of heart failure due to its positive inotropic and vasodilative effects. Anti-inflammatory activity.
    Olprinone Hydrochloride
  • HY-117604
    THPP-1
    		Inhibitor 98.75%
    THPP-1, a SGC chemical probe, is a potent and orally bioavailable phosphodiesterase 10A (PDE10A) inhibitor, with Ki values of 1 nM and 1.3 nM for human and rat PDE10A, respectively. THPP-1 has excellent pharmacokinetic properties in preclinical species.
    THPP-1
  • HY-143469
    NPP1-IN-1
    		Inhibitor 99.56%
    NPP1-IN-1 is a potent NPP inhibitor with IC50s of 0.15 μM and 40 μM for NPP1 and NPP3, respectively.
    NPP1-IN-1
  • HY-100650
    Carbodenafil
    		Inhibitor 99.63%
    Carbodenafil is a Sildenafil (UK-92480) related compound found in health foods. Sildenafil is a potent phosphodiesterase type 5 (PDE5) inhibitor with an IC50 of 5.22 nM.
    Carbodenafil
  • HY-122641C
    Deltasonamide 2 hydrochloride
    		Inhibitor 99.78%
    Deltasonamide 2 hydrochloride is a competitive, high affinity PDEδ inhibitor with a Kd of ~385 pM.
    Deltasonamide 2 hydrochloride
  • HY-100530B
    Sp-cAMPS
    		Inhibitor
    Sp-cAMPS, a cAMP analog, is potent activator of cAMP-dependent PKA I and PKA II. Sp-cAMPS is also a potent, competitive phosphodiesterase (PDE3A) inhibitor with a Ki of 47.6 µM. Sp-cAMPS binds the PDE10 GAF domain with an EC50 of 40 μM.
    Sp-cAMPS
  • HY-169402
    PDE1-IN-9
    		Inhibitor
    PDE1-IN-9 (Compound 7a) is a selective inhibitor for phosphodiesterase 1 (PDE1), that inhibits PDE1C with an IC50 of 11 nM. PDE1-IN-9 reduces mRNA expression of IL-1β, IL-6, TNF-α and iNOS, inhibits the production of nitric oxide (NO) and reactive oxygen species (ROS). PDE1-IN-9 exhibits good metabolic stability in rat liver microsomes.
    PDE1-IN-9
  • HY-13927
    Acetildenafil
    		Inhibitor 99.0%
    Acetildenafil is a Sildenafil (HY-15025) analogue, a phosphodiesterase 5 (PDE5) inhibitor. Acetildenafil can be isolated from herbal products.
    Acetildenafil
  • HY-18078
    PQ-10
    		Inhibitor 99.41%
    PQ-10 is a potent inhibitor of Phosphodiesterase 10A (PDE10A) with IC50 andED50 of 4.6 nM and 13 mg/kg, respectively. PQ-10 induces patterns of brain glucose metabolism which can be a potential translational biomarker. PQ-10 has the potential for researching psychiatric disorders like schizophrenia.
    PQ-10
  • HY-100639R
    Roflumilast N-oxide (Standard)
    		Inhibitor
    Roflumilast N-oxide (Standard) is the analytical standard of Roflumilast N-oxide. This product is intended for research and analytical applications. Roflumilast N-oxide is a PDE type 4 inhibitor.
    Roflumilast N-oxide (Standard)
  • HY-N2284
    Sophoflavescenol
    		Inhibitor 98.78%
    Sophoflavescenol is a prenylated flavonol, which shows great inhibitory activity with IC50 of 0.013 μM against Phosphodiesterase 5 (PDE5), and also inhibits RLAR, HRAR, AGE, BACE1, AChE and BChE with IC50s of 0.30 μM, 0.17 μM, 17.89 μg/mL, 10.98 μM, 8.37 μM and 8.21 μM, respectively.
    Sophoflavescenol
  • HY-132993
    Hcyb1
    		Inhibitor 98.20%
    Hcyb1 is a highly selective, orally active PDE2 inhibitor. Hcyb1 has a highly selective inhibition of PDE2A (IC50=0.57 μM) and over 250-fold selectivity against other recombinant PDE family members. Hcyb1 produces neuroprotective and antidepressant‐like effects most likely mediated by cAMP/cGMP-CREB-BDNF signaling.
    Hcyb1
  • HY-101490
    PDE1-IN-2
    		Inhibitor 98.0%
    PDE1-IN-2 is a PDE1 inhibitor extracted from patent WO2016/55618 A1, example 31. PDE1-IN-2 has IC50 values of 6 nM, 140 nM and 164 nM for PDE1C, PDE1B and PDE1A, respectvely. PDE1-IN-2 is developed for the research of neurodegenerative disorders and psychiatric disorders.
    PDE1-IN-2
  • HY-106844
    EMD 53998
    		Inhibitor 99.59%
    EMD 53998 is a cardiotonic agent that increases myocardial contractility as an inhibitor for phosphodiesterase III (PDE III) and a calcium sensitizer. EMD 53998 increases myocardial contractility, reduces energy consumption and the risk of inducing arrhythmias.
    EMD 53998
  • HY-108622
    Mesopram
    		Inhibitor 98.80%
    Mesopram (Daxalipram) is an orally active phosphodiesterase (PDE) 4 inhibitor. Mesopram inhibits the synthesis of proinflammatory cytokines TNF-α and IFN-γ. Mesopram demonstrates efficacy in ameliorating Dextran sulfate sodium (DSS) (HY-116282C)-induced murine colitis. Mesopram can be used for the study of chronic inflammatory diseases.
    Mesopram
  • HY-19026
    Siguazodan
    		Inhibitor 99.06%
    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
  • HY-103267
    S32826 disodium
    		Inhibitor 98.85%
    S32826 disodium is a potent autotaxin inhibitor, with an IC50 of 8.8 nM. S32826 disodium shows similar inhibitory effects at various autotaxin isoforms (α, β and γ). S32826 disodium inhibits LPA release from adipocytes.
    S32826 disodium
  • HY-169402A
    PDE1-IN-9 hydrochloride
    		Inhibitor
    PDE1-IN-9 (Compound 7a) hydrochloride is a selective inhibitor for phosphodiesterase 1 (PDE1), that inhibits PDE1C with an IC50 of 11 nM. PDE1-IN-9 hydrochloride reduces mRNA expression of IL-1β, IL-6, TNF-α and iNOS, inhibits the production of nitric oxide (NO) and reactive oxygen species (ROS). PDE1-IN-9 hydrochloride exhibits good metabolic stability in rat liver microsomes.
    PDE1-IN-9 hydrochloride
  • HY-147830
    PDE4B-IN-3
    		Inhibitor 99.37%
    PDE4B-IN-3 is a potent PDE4B inhibitor with an IC50 of 0.94 μM. PDE4B-IN-3 has anti-inflammatory activities.
    PDE4B-IN-3
Cat. No. Product Name / Synonyms Application Reactivity
Phosphodiesterase (PDE) Isoform Comparison

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