Icariin is a flavonol glycoside. Icariin inhibits PDE5 and PDE4 activities with IC50s of 432 nM and 73.50 μM, respectively. Icariin also is a PPARα activator.
W-7 hydrochloride is a selective calmodulin antagonist. W-7 hydrochloride inhibits the Ca2+-calmodulin-dependent phosphodiesterase and myosin light chain kinase with IC50 values of 28 μM and 51 µM, respectively[1][2]. W-7 hydrochloride induces apoptosis and has antitumor activity[3].
MT-3014 is a potent, highly selective and brain-penetrated phosphodiesterase 10A (PDE 10A) inhibitor, with IC50s of 0.062 nM and 0.09 nM for human PDE 10A and bovine PDE 10A, respectively[1].
(E/Z)-HA155 is a potent autotaxin (ATX) type I inhibitor. (E/Z)-HA155 can be used for researching cancer, fibrotic diseases, inflammation, pain and angiogenesis[1].
Revizinone is a novel selective phosphodiesterase (PDE) inhibitor with IC50 values on this enzyme to 0.036 microM. target: phosphodiesterase (PDE)[3]; IC 50: 0.036 microM; [3]In vivo: The administration of Revizinone improved the haemodynamic profile with an increase in cardiac output, a decrease in systemic vascular resistance and a stable heart rate and mean arterial blood pressure. [1] With regard to reconstitution of contractility and cardiac function Revizinone (E-isomer) was 10 fold more potent than R 79595 and nearly 100 fold more potent than R 80123 (Z-isomer). [2] Revizinone significantly increased global LV function and systolic wall thickening in ischemic areas at doses greater than or equal to 0.16 mg/kg i.v. [4]
NSP-805 is a potent and selective inhibitor of guinea pig cardiac phosphodiesterase 3 (PDE3), and a cardiotonic agent with vasodilator properties.
HA130 is a selective ATX (autotaxin) inhibitor with IC50 of 28 nM. IC50 value: 28 nM [2]Target: ATXin vitro: HA130 completely blocks the ability of ATX to promote TEM (transendothelial migration). HA130 at 0.3 μM completely ablates the activity of ATX on TK1 uropod formation. [1]in vivo: HA130 instantaneously lowers plasma levels of LPA in mice after intravenous administration. HA130 is an inhibitor of the enzymatic activity of ATX, slows T cell migration across lymph node HEVs. HA130 decreased the "outside HEVs/inside HEVs" ratio by 3-4-fold, compared to vehicle-treated animals vehicle (p < 0.01 for both PLNs and MLNs). [1]
Enpp-1-IN-2 (Compound C) is a potent ENPP1 (ectonucleotide pyrophosphatase/phosphodiesterase 1) inhibitor with IC50 values of 0.26, 0.48 and 2.0 μM evaluated by means of TG-mAMP, pNP-TMP, and ATP assays, respectively. TG (Tokyo Green)-mAMP: a newly synthesized sensitive ENPP1 fluorescence probe[1].
ENPP1-IN-2 is a potent Ectonucleotide Pyrophosphatase/Phosphodiesterase-1 (ENPP1) inhibitor with an IC50 value of 32.38 nM for recombinant human ENPP-1. ENPP1-IN-2 has anti-tumor activity[1].
PDE-9 inhibitor is useful for neurodegenerative diseases.
PDE5-IN-7 (compound 8) is a selective phosphodiesterase 5 (PDE 5) inhibitor with an IC50 value of 5 nM, while an IC50 of 300 nM for PDE 1[1].
PDE5-IN-3 (compound 11j) is a potent PDE5 inhibitor with an IC50 of 1.57 nM. PDE5-IN-3 shows moderate EGFR inhibition with IC50 of 5.827 µM. PDE5-IN-3 significantly inhibits the Wnt/β-catenin pathway (IC50=1286.96 ng/mL). PDE5-IN-3 induces the intrinsic apoptotic mitochondrial pathway in HepG2 cells. PDE5-IN-3 has strong antitumor activity[1].
Udenafil(DA8159) is a PDE5 inhibitor used in urology to treat erectile dysfunction.Target: PDE5Udenafil is an oral PDE5 inhibitor. Udenafil significantly increased cAMP and cGMP levels and were more highly distributed in the prostate than plasma. The T/P ratio of udenafil was higher than tadalafil. These findings may help in the assessment of the feasibility of using PDE5 Is to concurrently treat both LUTS and erectile dysfunction [1]. After 12 weeks of treatment, the patients treated with udenafil showed significantly greater change from baseline in the IIEF-EF domain score compared with placebo (placebo, 0.20; 100-mg udenafil, 7.52; and 200-mg udenafil, 9.93, respectively) (P < 0.0001). udenafil significantly enhanced the rates of successful penetration (SEP Q2) and maintenance of erection (SEP Q3) (P < 0.0001) [2].
MK-8189 is a potent, orally active and selective PDE10A inhibitor with a Ki value of 29 pM. MK-8189 can be used in research of schizophrenia[1].
Lirimilast (BAY 19-8004) is a potent, selective and orally active phosphodiesterase-4 (PDE4) inhibitor with an IC50 value of 49 nM. Lirimilast can be used for the treatment of asthma or chronic obstructive pulmonary disease (COPD). Lirimilast has potently anti-inflammatory properties[1][2].
PDE5-IN-4 is a phosphodiesterase 5 inhibitor. PDE5-IN-4 can be used for the research of acute myocardial infarction and damage caused by reperfusion, gastrointestinal diseases, damage caused by diabetes, and liver failure[1].
Autotaxin-IN-1 is a potent autotaxin inhibitor, which has favorable potency (IC50=2.2 nM), PK properties, and a robust PK/PD relationship. Autotaxin-IN-1 is used in treatment of osteoarthritis pain[1].
Autotaxin modulator 1 is a novel Autotaxin modulator extracted from Patent WO 2014018881 A1.
PF-04957325 is a highly potent and selective PDE8 inhibitor, with IC50s of 0.7 nM and 0.3 nM for PDE8A and PDE8B, respectively.
Ro 15-2041 is a selective platelet phosphodiesterase inhibitor with antithrombotic properties.
3-O-Methylquercetin (3-MQ), a main constituent of Rhamnus nakaharai, inhibits total cAMP and cGMP-phosphodiesterase (PDE) of guinea pig trachealis. 3-O-Methylquercetin (3-MQ) exhibits IC50 values of 31.9 μM， 86.9 μM， 18.6 μM and 1.6 μM for PDE1, PDE5, PDE2 and PDE4, respectively[1].
D159687 is a selective PDE4D inhibitor[1].
Tibenelast sodium is a phosphodiesterase inhibitor.
Pde7-in-3 (example 2) is an inhibitor of the phosphodiesterase PDE7 with potential analgesic activity. PDE7-IN-3 can be used to study inflammatory, neuropathic, visceral and nociceptive pain[1].
(R)-Avanafil ((R)-TA1790) is a selective PDE5 inhibitor (IC50: 5.2 nM). (R)-Avanafil can be used for research of erectile dysfunction[1].
Enpp-1-IN-19 (compound 29f) is an orally active ENPP1 inhibitor that inhibits cGAMP hydrolysis by ENPP1 (IC50=68 nM). Enpp-1-IN-19 increases anti-PD-L1 responses and inhibits tumor growth in CT26 syngeneic models. Enpp-1-IN-19 also enhances STING-mediated type I interferon responses, induces immune memory, and prevents tumor recurrence[1].
Trequinsin hydrochloride (HL 725) is an extremely potent inhibitor of platelet CAMP phosphodiesterase (PDE), with an IC50 of 0.25 nM. Trequinsin hydrochloride (HL 725) is an extremely potent inhibitor of the aggregation of human platelets induced in vitro by ADP, collagen, thrombin and epinephrine[1][2][3].
Deltarasin is an inhibitor of KRAS-PDEδ interaction with Kd of 38 nM for binding to purified PDEδ.
Etazolate hydrochloride (SQ 20009) is an orally active, selective inhibitor of type 4 phosphodiesterase (PDE4) with an IC50 of 2 μM. Etazolate hydrochloride is a γ-aminobutyric acid A (GABAA) receptor regulator. Etazolate hydrochloride is an α-secretase activator and induced the production of soluble amyloid precursor protein (sAPPα). Etazolate hydrochloride, a pyrazolopyridine class derivative, increases cAMP levels. Etazolate hydrochloride has anxiolyticlike, antidepressant-like and anti-inflammatory effects[1][2][3][4][5].
L-869298 is a potent and selective inhibitor of PDE4.