pde4d3

PF-04822163 is a potent inhibitor of PDE1 with IC50 value of 0.0024 μM.

Oglemilast (GRC 3886) suppresses pulmonary cell infiltration, including eosinophilia and neutrophilia in vitro and in vivo. Oglemilast is an effective and orally active phosphodiesterase-4 (PDE4) inhibitor (IC50: 0.5 nM for PDE4D3). Oglemilast has the potential for inflammatory airway diseases.

Zatolmilast (BPN14770) is an allosteric inhibitor of selective phosphodiesterase 4D (PDE4D; IC50s: 7.8 nM and 7.4 nM for PDE4D7 and PDE4D3).

LEO-32731 is a bioactive chemical.

UK-500001 is a potent PDE4 inhibitor with robust anti-inflammatory activity.

CI-1044 is an inhibitor of PDE4 (IC50s: 0.29, 0.08, 0.56, 0.09 μM for PDE4A5, PDE4B2, PDE4C2 and PDE4D3).

PDE4-IN-19 (compound 1) acts as a PDE4 inhibitor and exhibits potent inhibition with IC 50 values below 10 nM for PDE4B1 and between 10-100 nM for PDE4D3.

Eggmanone (EGM1) is a potent, selective phosphodiesterase 4 (PDE4) antagonist, exhibiting an IC50 of 72 nM specifically for PDE4D3. It shows 40- to 50-fold greater selectivity for PDE4D3 over other phosphodiesterases. The mechanism of action involves PDE4 selective antagonism by Eggmanone, which activates protein kinase A, culminating in the blockade of the Hedgehog (Hh) signaling pathway [1].