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PDE4-IN-9 (Compound 5j) is a potent inhibitor of PDE4. PDE4-IN-9 exhibits lower IC50 value (1.4 μM) against PDE4 than parent rolipram (2.0 μM) in in vitro enzyme assay. PDE4-IN-9 also displays good in vivo activity in animal models of asthma/COPD and sepsis induced by LPS .
PDE4-IN-10 (compound 7a) is a potent PDE4 inhibitor, with an IC50 of 7.01 μM for PDE4B. PDE4-IN-10 shows selectivity, microsomal stability, inhibition of TNF-α and no major toxicities in vitro .
PDE4-IN-8 (Example 5) is a potent PDE4 inhibitor with an IC50 of 0.93 nM for PDE4B2.PDE4-IN-8 has little effect on IL13 (IC50=4.04 nM), IL4 (IC50=36.33 nM), IFNy (IC50=2394 nM) .
PDE4-IN-13 is a PDE4 inhibitor with an IC50 of 1.56 μM. PDE4-IN-13 shows anti-inflammatory and antioxidant properties, and can be used for chronic obstructive pulmonary disease (COPD) research .
PDE4-IN-14 (Compound 1) is a PDE4 inhibitor that can be used in the study of PDE4-related diseases (such as inflammatory and immune diseases, cancer, and metabolic diseases, etc.) .
PDE4-IN-12 is a potent pan-PDE4 inhibitor, with IC50s of 3.5 and 15 nM for PDE4 and PDE7, respectively (SI=2.71 and 4.27, respectively). PDE4-IN-12 shows well tolerated, can be used in study of inflammatory bowel diseases (IBDs) .
PDE4-IN-11 is an inhibitor of phosphodiesterase isoenzyme 4(PDE4).PDE4-IN-11 displays highly effective bronchodilatory and anti-inflammatory properties, can be used for obstructive or inflammatory airway diseases research .
PDE4-IN-5 (compound 33a) is a potent and selective PDE4 inhibitor (IC50=3.1 nM). PDE4-IN-5 has favorable skin permeability and a well-characterized binding mechanism. Anti-psoriasis effect .
PDE4-IN-6 is a potent, safe and moderately selective PDE4 inhibitor with IC50s of 0.125 and 0.43 µM for PDE4B and PDE4D, respectively. PDE4-IN-6 can downregulate the expression level of TNF-α and IL-6. PDE4-IN-6 has potent immunomodulatory activity thereby its potential against rheumatoid arthritis. Anti-inflammatory and anti-arthritic effects .
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 .
PDE4A Human Pre-designed siRNA Set A contains three designed siRNAs for PDE4A gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.
Pde4a Mouse Pre-designed siRNA Set A contains three designed siRNAs for Pde4a gene (Mouse), as well as a negative control, a positive control, and a FAM-labeled negative control.
Pde4a Rat Pre-designed siRNA Set A contains three designed siRNAs for Pde4a gene (Rat), as well as a negative control, a positive control, and a FAM-labeled negative control.
PDE4B Human Pre-designed siRNA Set A contains three designed siRNAs for PDE4B gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.
PDE4C Human Pre-designed siRNA Set A contains three designed siRNAs for PDE4C gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.
PDE4D Human Pre-designed siRNA Set A contains three designed siRNAs for PDE4D gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.
PDE4DIP Human Pre-designed siRNA Set A contains three designed siRNAs for PDE4DIP gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.
5-HT1A/5-HT7 receptor antagonist (5-HT1A Ki = 8 nM, Kb = 0.04 nM; 5-HT7 Ki = 451 nM, Kb = 460 nM) with PDE4B/PDE7A inhibitory activity (PDE4B IC50 = 80.4 μM; PDE7A IC50 = 151.3 μM) , its antidepressant like effect is stronger than that of escitalopram as a reference agent.
1 a /5-hydroxynitrile rubber 7 receptor antagonist (5-HT1 a k i = 8 nm, kb= 0.04 nm; 5-nitrile rubber 7K I = 451 nm, kb= 460 nm) has pde4b/pde7a inhibitory activity (PDE4B ic50= 80.4 μ M; Pde7a chip 50= 151.3 μ M)。 Compound 22 has a very good ability of passive penetration of biofilm and high metabolic stability in vitro. In addition, 22's pharmacological evaluation showed its pre cognitive and antidepressant properties in rat behavioral tests.
(Rac)-PDE4-IN-4 is the diastereomer mixture of PDE4-IN-4 (HY-115871). PDE4-IN-4 is a dual M3 (pIC50 = 10.2) antagonist-PDE4 (pIC50 = 8.8) inhibitor for the inhaled research of pulmonary diseases .
AChE/PDE4-IN-1 (compound 12c) is a potent and selective dual PDE4/AChE inhibitor, with IC50s of 0.28 μM and 1.88 μM for AChE and PDE4D, respectively. AChE/PDE4-IN-1 exhibits anti-neuroinflammatory effect for the research of Alzheimer's disease .
M3/PDE4 modulator-1 (compound 10f) is a bifunctional molecule that is an M3 mAChR antagonist and a PDE4 inhibitor. M3/PDE4 modulator-1 (10-1000 nM/kg; iv) reduces cysteine eosinophil influx in the OVA rat model .
Eggmanone (EGM1) is a potent and selective phosphodiesterase 4(PDE4) antagonist with an IC50 of 72 nM for PDE4D3. Eggmanone shows approximately 40- to 50-fold selective for PDE4D3 over other PDEs. Eggmanone exerts its Hh-inhibitory effects through selective antagonism of PDE4, leading to protein kinase A activation and subsequent Hh blockade .
Toddacoumalone is a natural inhibitor of phosphodiesterase 4(PDE4) with moderate potency and imperfect agent-like properties. Toddacoumalone has the potential for the research of inflammatory diseases such as psoriasis .
FCPR03 is a potent and selective phosphodiesterase 4(PDE4) inhibitor with IC50 values of 60 nM, 31 nM and 47 nM for PDE4 catalytic domain, PDE4B1 and PDE4D7, respectively. FCPR03 displays at least 2100-fold selectivity over other PDEs (PDE1-3 and PDE5-11). FCPR03 has anti-inflammatory, neuroprotective and antidepressant-like effects .
GSK356278 is a potent, selective, orally bioavailable and brain-penetrant inhibitor of phosphodiesterase 4(PDE4), with pIC50s of 8.6, 8.8, and 8.7 for human PDE4A, PDE4B, and PDE4D, respectively. GSK356278 has anti-inflammatory activity, and exhibits anxiolytic and cognition-enhancing effects .
AN3199 is a PDE4 inhibitor with an IC50 of 94.5 nM. AN3199 can be used for the research of inflammation-associated diseases such as asthma and chronic obstructive pulmonary disease (COPD) .
ICI-63197 is a phosphodiesterase 3 (PDE3) and PDE4 inhibitor with Ki values of 9 µM and 10 µM, respectively. ICI-63197 is selectivity against PDE1 and PDE2. ICI-63197 has antidepressant effects .
Crisaborole-d4 is deuterium labeled Crisaborole. Crisaborole (AN-2728) is a potent inhibitor of PDE4 and cytokine release; inhibit PDE4 with an IC50 of 0.49 μM.
YM976 is a phosphodiesterase 4(PDE4) inhibitor with an IC50 of 2.2 nM. YM976 shows the dissociation of anti-inflammatory activities from emetic effects and inhibits the antigen-induced airway responses .
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) .
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 .
Roflupram is a selective, orally active and brain-penetrant PDE4 inhibitor, with an IC50 of 26.2 nM for core catalytic domains of human PDE4. Roflupram can reverse cognitive deficits and reduce the production of pro-inflammatory factors .
(R)-(-)-Rolipram is the R-enantiomer of Rolipram. Rolipram is a selective inhibitor of phosphodiesterases PDE4 with IC50 of 3 nM, 130 nM and 240 nM for PDE4A, PDE4B, and PDE4D, respectively.
MR-L2 is a reversible and noncompetitive allosteric activator of long-isoform phosphodiesterase-4(PDE4), activates representative PDE4 long-isoform variants (PDE4A4, PDE4B1, PDE4C3, PDE4D5). MR-L2 suppresses PGE2-induced MDCK cell cyst formation with an EC50 of 1.2 µM .
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) .
Ensifentrine (RPL-554) is an inhaled first-in-class dual inhibitor of phosphodiesterase 3 (PDE3) and PDE4 with IC50s of 0.4 nM and 1479 nM, respectively. Ensifentrine has bronchoprotective and anti-inflammatory activities. Ensifentrine can be used for chronic obstructive pulmonary disease (COPD) research .
Roflumilast Impurity E is the impurity of Roflumilast. Roflumilast(Daliresp) is a agent which acts as a selective and long-acting inhibitor of the enzyme PDE-4 with an IC50 value of 0.8 nM.
Orismilast (LEO-32731) is an orally active and selective PDE4 inhibitor used for the research of inflammatory diseases. Orismilast demonstrates potent inhibition of PDE4B and PDE4D subtype splice variants .
ML-030 is a potent PDE4 inhibitor, with IC50 of 6.7 nM, 12.9 nM, 48.2 nM, 37.2 nM, 452 nM and 49.2 nM for PDE4A, PDE4A1, PDE4B1, PDE4B2, PDE4C1,and PDE4D2, respectively.
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 .
Tetomilast (OPC-6535) is a PDE4 inhibitor with potential for the research of inflammatory bowel disease (IBD) and chronic obstructive pulmonary disease (COPD).
Apremilast (CC-10004) is an orally available inhibitor of type-4 cyclic nucleotide phosphodiesterase (PDE-4) with an IC50 of 74 nM. Apremilast inhibits TNF-α release by lipopolysaccharide (LPS) with an IC50 of 104 nM .
Piclamilast (RP 73401) is a phosphodiesterase 4(PDE4) inhibitor, with IC50 values of 16 nM and 2 nM in pig aorta and eosinophil soluble, respectively [4].
Braylin, a coumarin, is a potent phosphodiesterase-4 (PDE4) inhibitor and is involved in anti-inflammatory and immunomodulation, which may serve as a potential target for the study of immunoinflammatory diseases .
LEO 39652 is a dual-soft PDE4 inhibitor with IC50s of 1.2 nM, 1.2 nM, 3.0 nM and 3.8 nM for PDE4A, PDE4B, PDE4C and PDE4D, respectively. LEO 39652 also inhibits TNF-α with an IC50 value of 6.0 nM. LEO 39652 is used for topical research of Atopic dermatitis (AD) .
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.
Apremilast-d5 is a deuterium labeled Apremilast. Apremilast is an orally available inhibitor of type-4 cyclic nucleotide phosphodiesterase (PDE-4) with an IC50 of 74 nM. Apremilast inhibits TNF-α release by lipopolysaccharide (LPS) with an IC50 of 104 nM[1].
CDC801 is a potent and orally active phosphodiesterase 4(PDE4) and tumor necrosis factor-α (TNF-α) inhibitor with IC50 of 1.1 μM and 2.5 μM, respectively.
Z21090 (ZL40) is a potent inhibitor of PDE4 with the IC50 value of 37.4 nM and oral bioavailability. Z21090 plays an important role in alcohol-related diseases research .
PF-07038124 is a PDE4 inhibitor with an IC50 of 0.5 nM for PDE4B2. PF-07038124 shows inhibitory activities against IL-13, IL4, and IFNγ (IC50=125, 4.1 1.06 nM, respectively) .
Oglemilast (GRC 3886) is a potent and orally active phosphodiesterase-4(PDE4) inhibitor with an IC50 of 0.5 nM for PDE4D3. Oglemilast inhibits pulmonary cell infiltration, including eosinophilia and neutrophilia in vitro and in vivo. Oglemilast has the potential for inflammatory airway diseases .
Butein is a cAMP-specific PDE inhibitor with an IC50 of 10.4 μM for PDE4 . Butein is a specific protein tyrosine kinase inhibitor with IC50s of 16 and 65 μM for EGFR and p60 c-src in HepG2 cells . Butein sensitizes HeLa cells to Cisplatin through AKT and ERK/p38 MAPK pathways by targeting FoxO3a . Butein is a SIRT1 activator (STAC).
Glaucine (O,O-Dimethylisoboldine) is an alkaloid isolated from Glaucium flavum with antitussive, bronchodilation and anti-inflammatory properties. Glaucine is a selective and orally active phosphodiesterase 4(PDE4) inhibitor with Kis of 3.4 µM in human bronchus and polymorphonuclear leukocytes. Glaucine is also a non-selective α-adrenoceptor antagonist, a Ca 2+ entry blocker, and a weak dopamine D1 and D2 receptor antagonist. Glaucine has antioxidative and antiviral activities .
Moracin M is a phenolic component that can be isolated from Mori Cortex, is a potent phosphodiesterase-4(PDE4) inhibitor with IC50 values of 2.9, 4.5, >40, and >100 μM for PDE4D2, PDE4B2, PDE5A1, and PDE9A2, respectively. Moracin M has anti-inflammatory activity .
Roflumilast (APTA-2217) is a selective PDE4 inhibitor with IC50s of 0.7, 0.9, 0.7, and 0.2 nM for PDE4A1, PDEA4, PDEB1, and PDEB2, respectively, without affecting PDE1, PDE2, PDE3 or PDE5 isoenzymes from various cells.
Dovramilast (CC-11050) is an orally active phosphodiesterase 4(PDE4) inhibitor and can reduce the inflammatory response and improves Isoniazid (INH)-mediated bacillary clearance from the lungs. Dovramilast, as an adjunct, is used for the research of tuberculosis (TB) .
(S)-(+)-Rolipram ((+)-Rolipram) is a cyclic AMP(cAMP)-specific phosphodiesterase 4(PDE4) inhibitor, with an IC50 of 1100 nM. (S)-(+)-Rolipram can suppresse tumor necrosis factor-alpha (TNFα) production by human mononuclear cells .
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 [4] .
Icariin (Standard) is the analytical standard of Icariin. This product is intended for research and analytical applications. 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.
Roflumilast-d3 is deuterium labeled Roflumilast. Roflumilast is a selective PDE4 inhibitor with IC50s of 0.7, 0.9, 0.7, and 0.2 nM for PDE4A1, PDEA4, PDEB1, and PDEB2, respectively, without affecting PDE1, PDE2, PDE3 or PDE5 isoenzymes from various cells.
K134 is a phosphodiesterase 3(PDE3) inhibitor. The IC50s of K134 toward PDE3A, PDE3B, PDE5, PDE2 and PDE4 are 0.1, 0.28, 12.1, >300 and >300 µM, respectively.
Drotaverine (hydrochloride) is a type 4 cyclic nucleotide phosphodiesterase (PDE4) inhibitor and an L-type voltage-dependent calcium channel (L-VDCC) blocker, blocks the degradation of 3',5'-cyclic adenosine monophosphate. Drotaverine (hydrochloride) exhibits in vivo antispasmodic efficacy without anticholinergic effects.
Roflumilast-d4 is the deuterium labeled Roflumilast. Roflumilast is a selective PDE4 inhibitor with IC50s of 0.7, 0.9, 0.7, and 0.2 nM for PDE4A1, PDEA4, PDEB1, and PDEB2, respectively, without affecting PDE1, PDE2, PDE3 or PDE5 isoenzymes from various cells[1][2].
T-0156 is a potent and selective phosphodiesterase type 5 (PDE5) inhibitor. T-0156 specifically inhibits the hydrolysis of cyclic guanosine monophosphate (cGMP) by PDE5 in a competitive manner (IC50=0.23 nM). T-0156 inhibits PDE6 (IC50=56 nM) and has low potencies against PDE1, PDE2, PDE3, and PDE4 (IC50>10 μM). T-0156 enhances the nitric oxide (NO)/cGMP pathway .
Roflumilast-d4 N-Oxide is the deuterium labeled Roflumilast. Roflumilast is a selective PDE4 inhibitor with IC50s of 0.7, 0.9, 0.7, and 0.2 nM for PDE4A1, PDEA4, PDEB1, and PDEB2, respectively, without affecting PDE1, PDE2, PDE3 or PDE5 isoenzymes from various cells[1][2].
Olprinone (Loprinone) 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 is used for the research of heart failure due to its positive inotropic and vasodilative effects. Anti-inflammatory activity .
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 .
Enoximone is an inotropic vasodilating agent and a selective and orally active phosphodiesterase III (PDE3) inhibitor with an IC50 of 5.9 μM. Enoximone induces vasodilatation and increases intracellular levels of cAMP by inhibiting cGMP-inhibited PDE. Enoximone also exhibits PDE4 inhibitory effect with an IC50 of 21.1 μM for myocardial PDE4A. Enoximone has the potential for congestive heart failure research and has bronchodilatory, antiasthma and anti-inflammatory effects .
Drotaverine-d10 (hydrochloride) is the deuterium labeled Drotaverine hydrochloride. Drotaverine hydrochloride is a type 4 cyclic nucleotide phosphodiesterase (PDE4) inhibitor and an L-type voltage-dependent calcium channel (L-VDCC) blocker, blocks the degradation of 3',5'-cyclic adenosine monophosphate. Drotaverine hydrochloride exhibits in vivo antispasmodic efficacy without anticholinergic effects[1][2].
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, 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 .
Vardenafil is a selective and orally active inhibitor of phosphodiesterase-5(PDE5), with an IC50 of 0.7 nM. Vardenafil shows inhibitory towards PDE1, PDE6 with IC50s of 180 nM, and 11 nM, while IC50s are >1000 nM for PDE3 and PDE4 . Vardenafil competitively inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels . Vardenafil can be used for the research of erectile dysfunction, hepatitis, diabetes [1]-[6].
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].
TyK2-IN-2 (Compoud 18) is a potent and selective TYK2 inhibitor with IC50s of 7 nM, 0.1 μM and 0.05 μM for TYK2 JH2, IL-23 and IFNα, respectively. TyK2-IN-2 also inhibits phosphodiesterase 4(PDE4) with an IC50 of 62 nM. TyK2-IN-2 can be used for the research of inflammatory and autoimmune diseases .
Fenspiride-d5 is the deuterium labeled Fenspiride. 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[1][2][3].
Vardenafil-d5 is deuterium labeled Vardenafil. Vardenafil is a selective, orally active, potent inhibitor of phosphodiesterase-5 (PDE5), with an IC50 of 0.7 nM. Vardenafil shows selectivity over PDE1 (180 nM), PDE6 (11 nM), PDE2, PDE3, and PDE4 (>1000 nM). Vardenafil competitively inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels. Vardenafil can be used for the research of erectile dysfunction[1][2].
Vardenafil dihydrochloride is a selective and orally active inhibitor of phosphodiesterase-5(PDE5), with an IC50 of 0.7 nM. Vardenafil dihydrochloride shows inhibitory towards PDE1, PDE6 with IC50s of 180 nM, and 11 nM respectively, while IC50s are >1000 nM for PDE3 and PDE4. Vardenafil dihydrochloride competitively inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels. Vardenafil dihydrochloride can be used for the research of erectile dysfunction, hepatitis, diabetes - .
Vardenafil hydrochloride trihydrate is a selective and orally active inhibitor of phosphodiesterase-5(PDE5), with an IC50 of 0.7 nM. Vardenafil hydrochloride trihydrate shows inhibitory towards PDE1, PDE6 with IC50s of 180 nM, and 11 nM, while IC50s are >1000 nM for PDE3 and PDE4 . Vardenafil hydrochloride trihydrate competitively inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels . Vardenafil hydrochloride trihydrate can be used for the research of erectile dysfunction, hepatitis, diabetes [1]-[6].
3-O-Methylquercetin (3-MQ) is a major component from the plant Rhamnus nakaharai and has antiviral activity and potential antiasthmatic efficacy. 3-O-Methylquercetin inhibits total cAMP and cGMP-phosphodiesterase (PDE). The IC50 values of 3-O-Methylquercetin (3-MQ) against PDE1-PDE5 are in the range of 1.6-86.9 μM. 3-O-Methylquercetin is a non-competitive inhibitor of PDE2 and a competitive inhibitor of PDE4 .
NEO214 is an autophagy inhibitor and a covalent conjugate of the PDE4 inhibitor Rolipram (HY-16900) and perillyl alcohol (HY-N7000). It has anti-cancer activity and blood-brain barrier (BBB) permeability. Over sex. NEO214 prevents autophagy-lysosome fusion, thereby blocking autophagic flux and triggering glioma cell death. The process involves mTOR activation, andTFEB(Transcription Factor EB) aggregation. NEO214 inhibitionMacroautophagy/autophagy in glioblastoma cells has the potential to overcome chemotherapy resistance in glioblastoma .
Avanafil (TA-1790) is a potent and selective phosphodiesterase-5 (PDE-5) inhibitor with IC50 values of 5.2 nM, 630 nM, 5700 nM, 6200 nM, 12000 nM, 27000 nM, 51000 nM and 53000 nM for PDE-5, PDE-6, PDE-4, PDE-10, PDE-8, PDE-7, PDE-2 and PDE-1, respectively. Avanafil activates NO/cGMP/PKG signaling-pathway to decrease loss in BMD, bone atrophy, and oxidative stress. Avanafil inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels. Avanafil can be used for the research of erectile dysfunction and osteoporosis .
Avanafil (TA-1790) dibenzenesulfonate is a potent and selective phosphodiesterase-5 (PDE-5) inhibitor with IC50 values of 5.2 nM, 630 nM, 5700 nM, 6200 nM, 12000 nM, 27000 nM, 51000 nM and 53000 nM for PDE-5, PDE-6, PDE-4, PDE-10, PDE-8, PDE-7, PDE-2 and PDE-1, respectively. Avanafil dibenzenesulfonate activates NO/cGMP/PKG signaling-pathway to decrease loss in BMD, bone atrophy, and oxidative stress. Avanafil dibenzenesulfonate inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels. Avanafil dibenzenesulfonate can be used for the research of erectile dysfunction and osteoporosis .
PF-06445974, a promising positron emission tomography (PET) lead, has exquisite potency at PDE4B with an IC50 <1 nM. The IC50 values are 36, 4.7 and 17 nM for PDE4D, PDE4A and PDE4C, respectively. PF-06445974 has good selectivity over PDE4D, excellent brain permeability, and a high level of specific binding in the "cold tracer" study .
Zatolmilast (BPN14770) is a selective phosphodiesterase 4D (PDE4D) allosteric inhibitor with IC50s of 7.8 nM and 7.4 nM for PDE4D7 and PDE4D3, respectively .
LASSBio-1632 is a new anti-asthmatic lead candidate associated with selective inhibition of PDE4A and PDE4D isoenzymes and blockade of airway hyper-reactivity (AHR) and TNF-α production in the lung tissue. LASSBio-1632 (7j) displays high experimental BBB permeability across BBB through passive diffusion .
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 .
Mesembrine ((+)-Mesembrine) a main alkaloid that features an aryloctahydroindole skeleton. Mesembrine is a 5-HT transporter inhibitor with a Ki of 1.4 nM. Mesembrine also inhibits phosphodiesterase 4B (PDE4B) with an IC50 of 7.8 μM .
Nerandomilast (BI 1015550) is an orally active inhibitor of PDE4B with an IC50 value of 7.2 nM. Nerandomilast has good safety and potential applications in inflammation, allergic diseases, pulmonary fibrosis, and chronic obstructive pulmonary disease (COPD) .
Nerandomilast (BI 1015550) dihydrate is an orally active inhibitor of PDE4B with an IC50 value of 7.2 nM. Nerandomilast (dihydrate) has good safety and potential applications in inflammation, allergic diseases, pulmonary fibrosis, and chronic obstructive pulmonary disease (COPD) .
PDE1-IN-3, compound 4 (WO2019156861), is a selective human phosphodiesterase 1 (PDE1) inhibitor. PDE1-IN-3 inhibits PDE4D and PDE6AB with IC50 values of 23.99 μM and 10 μM, respectively .
mTOR inhibitor-11 (Compound 9) is a brain-penetrant mTOR inhibitor (IC50: 21 nM for pS6). mTOR inhibitor-11 also inhibits pCHK1 and PDE4D with IC50s of 17.2 and 17.0 μM. mTOR inhibitor-11 can be used for research of CNS disease .
PDE5-IN-2 is a potent, highly selective, and orally active PDE5 inhibitor, with an IC50 of 0.31 nM, less potently inhibits PDE2A, PDE10A, PDE4D2, and PDE6C, with IC50s of 106, 46, 43, 1.2 nM, respectively. Anti-pulmonary arterial hypertension activity .
RS-25344 hydrochloride is a selective cAMP-phosphodiesterase 4 (PDE 4; PDE IV) inhibitor with an IC50 of 0.28 nM in human lymphocytes. RS-25344 hydrochloride has only weak inhibitory effects on PDE I, II, III (IC50 of >100 μM, 160 μM, 330 μM, respectively). RS-25344 hydrochloride has anti-inflammatory, memory- and cognition enhancing, and antineoplastic effects .
Osoresnontrine (BI-409306) is a potent and selective PDE9A inhibitor, with an IC50 of 52 nM, and shows weak activity against other PDEs, such as PDE1A (IC50, 1.4 µM), PDE1C (IC50, 1.0 µM), PDE2A, PDE3A, PDE4B, PDE5A, PDE6AB, PDE7A, and PDE10A (IC50 all > 10 μM); Osoresnontrine can be used in the research of memory enhancement in CNS disorders.
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.
Butein is a cAMP-specific PDE inhibitor with an IC50 of 10.4 μM for PDE4 . Butein is a specific protein tyrosine kinase inhibitor with IC50s of 16 and 65 μM for EGFR and p60 c-src in HepG2 cells . Butein sensitizes HeLa cells to Cisplatin through AKT and ERK/p38 MAPK pathways by targeting FoxO3a . Butein is a SIRT1 activator (STAC).
Glaucine (O,O-Dimethylisoboldine) is an alkaloid isolated from Glaucium flavum with antitussive, bronchodilation and anti-inflammatory properties. Glaucine is a selective and orally active phosphodiesterase 4(PDE4) inhibitor with Kis of 3.4 µM in human bronchus and polymorphonuclear leukocytes. Glaucine is also a non-selective α-adrenoceptor antagonist, a Ca 2+ entry blocker, and a weak dopamine D1 and D2 receptor antagonist. Glaucine has antioxidative and antiviral activities .
Toddacoumalone is a natural inhibitor of phosphodiesterase 4(PDE4) with moderate potency and imperfect agent-like properties. Toddacoumalone has the potential for the research of inflammatory diseases such as psoriasis .
Braylin, a coumarin, is a potent phosphodiesterase-4 (PDE4) inhibitor and is involved in anti-inflammatory and immunomodulation, which may serve as a potential target for the study of immunoinflammatory diseases .
Moracin M is a phenolic component that can be isolated from Mori Cortex, is a potent phosphodiesterase-4(PDE4) inhibitor with IC50 values of 2.9, 4.5, >40, and >100 μM for PDE4D2, PDE4B2, PDE5A1, and PDE9A2, respectively. Moracin M has anti-inflammatory activity .
Icariin (Standard) is the analytical standard of Icariin. This product is intended for research and analytical applications. 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.
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 .
Vardenafil is a selective and orally active inhibitor of phosphodiesterase-5(PDE5), with an IC50 of 0.7 nM. Vardenafil shows inhibitory towards PDE1, PDE6 with IC50s of 180 nM, and 11 nM, while IC50s are >1000 nM for PDE3 and PDE4 . Vardenafil competitively inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels . Vardenafil can be used for the research of erectile dysfunction, hepatitis, diabetes [1]-[6].
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 dihydrochloride is a selective and orally active inhibitor of phosphodiesterase-5(PDE5), with an IC50 of 0.7 nM. Vardenafil dihydrochloride shows inhibitory towards PDE1, PDE6 with IC50s of 180 nM, and 11 nM respectively, while IC50s are >1000 nM for PDE3 and PDE4. Vardenafil dihydrochloride competitively inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels. Vardenafil dihydrochloride can be used for the research of erectile dysfunction, hepatitis, diabetes - .
Avanafil (TA-1790) is a potent and selective phosphodiesterase-5 (PDE-5) inhibitor with IC50 values of 5.2 nM, 630 nM, 5700 nM, 6200 nM, 12000 nM, 27000 nM, 51000 nM and 53000 nM for PDE-5, PDE-6, PDE-4, PDE-10, PDE-8, PDE-7, PDE-2 and PDE-1, respectively. Avanafil activates NO/cGMP/PKG signaling-pathway to decrease loss in BMD, bone atrophy, and oxidative stress. Avanafil inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels. Avanafil can be used for the research of erectile dysfunction and osteoporosis .
Avanafil (TA-1790) dibenzenesulfonate is a potent and selective phosphodiesterase-5 (PDE-5) inhibitor with IC50 values of 5.2 nM, 630 nM, 5700 nM, 6200 nM, 12000 nM, 27000 nM, 51000 nM and 53000 nM for PDE-5, PDE-6, PDE-4, PDE-10, PDE-8, PDE-7, PDE-2 and PDE-1, respectively. Avanafil dibenzenesulfonate activates NO/cGMP/PKG signaling-pathway to decrease loss in BMD, bone atrophy, and oxidative stress. Avanafil dibenzenesulfonate inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels. Avanafil dibenzenesulfonate can be used for the research of erectile dysfunction and osteoporosis .
Mesembrine ((+)-Mesembrine) a main alkaloid that features an aryloctahydroindole skeleton. Mesembrine is a 5-HT transporter inhibitor with a Ki of 1.4 nM. Mesembrine also inhibits phosphodiesterase 4B (PDE4B) with an IC50 of 7.8 μM .
PDE4D (Phosphodiesterase 4D) protein, as a hydrolytic enzyme, degrades the second messenger cAMP, a crucial regulator in various physiological processes. Its enzymatic activity in breaking down cAMP underscores PDE4D's pivotal role in modulating cellular signaling cascades, maintaining the intricate balance of intracellular communication mediated by this critical second messenger. PDE4D Protein, Human (His) is the recombinant human-derived PDE4D protein, expressed by E. coli , with N-6*His labeled tag. The total length of PDE4D Protein, Human (His) is 328 a.a., .
PDE4D (Phosphodiesterase 4D) protein, as a hydrolytic enzyme, degrades the second messenger cAMP, a crucial regulator in various physiological processes. Its enzymatic activity in breaking down cAMP underscores PDE4D's pivotal role in modulating cellular signaling cascades, maintaining the intricate balance of intracellular communication mediated by this critical second messenger. PDE4D Protein, Human is the recombinant human-derived PDE4D protein, expressed by E. coli , with tag free. The total length of PDE4D Protein, Human is 328 a.a., .
Roflumilast-d4 N-Oxide is the deuterium labeled Roflumilast. Roflumilast is a selective PDE4 inhibitor with IC50s of 0.7, 0.9, 0.7, and 0.2 nM for PDE4A1, PDEA4, PDEB1, and PDEB2, respectively, without affecting PDE1, PDE2, PDE3 or PDE5 isoenzymes from various cells[1][2].
Crisaborole-d4 is deuterium labeled Crisaborole. Crisaborole (AN-2728) is a potent inhibitor of PDE4 and cytokine release; inhibit PDE4 with an IC50 of 0.49 μM.
Roflumilast-d3 is deuterium labeled Roflumilast. Roflumilast is a selective PDE4 inhibitor with IC50s of 0.7, 0.9, 0.7, and 0.2 nM for PDE4A1, PDEA4, PDEB1, and PDEB2, respectively, without affecting PDE1, PDE2, PDE3 or PDE5 isoenzymes from various cells.
Roflumilast-d4 is the deuterium labeled Roflumilast. Roflumilast is a selective PDE4 inhibitor with IC50s of 0.7, 0.9, 0.7, and 0.2 nM for PDE4A1, PDEA4, PDEB1, and PDEB2, respectively, without affecting PDE1, PDE2, PDE3 or PDE5 isoenzymes from various cells[1][2].
Drotaverine-d10 (hydrochloride) is the deuterium labeled Drotaverine hydrochloride. Drotaverine hydrochloride is a type 4 cyclic nucleotide phosphodiesterase (PDE4) inhibitor and an L-type voltage-dependent calcium channel (L-VDCC) blocker, blocks the degradation of 3',5'-cyclic adenosine monophosphate. Drotaverine hydrochloride exhibits in vivo antispasmodic efficacy without anticholinergic effects[1][2].
Fenspiride-d5 is the deuterium labeled Fenspiride. 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[1][2][3].
Vardenafil-d5 is deuterium labeled Vardenafil. Vardenafil is a selective, orally active, potent inhibitor of phosphodiesterase-5 (PDE5), with an IC50 of 0.7 nM. Vardenafil shows selectivity over PDE1 (180 nM), PDE6 (11 nM), PDE2, PDE3, and PDE4 (>1000 nM). Vardenafil competitively inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels. Vardenafil can be used for the research of erectile dysfunction[1][2].