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[1][2].
16α-Hydroxytrametenolic acid, a natural triterpene, is a potential retinoid X receptor (RXR) selective agonist[1].
Isotanshinone IIA, an abietane-type diterpene metabolite, could non-competitively inhibit Protein Tyrosine Phosphatase 1B (PTP1B) activity with an IC50 0f 11.4 μM.
Esaxerenone is a novel, highly potent and selective non-steroidal mineralocorticoid receptor antagonist.
Mevastatin (Compactin; ML236B) inhibits HMGCR (HMG-CoA reductase) (Ki for acid form is 1 nM) which in turn inhibits isoprenoid biosynthesis and therefore blocks protein isoprenylation and reduces plasma cholesterol levels in humans. IC50 value: 1 nM (Ki)Target: HMGCRMevastatin induces apoptosis, arrests cancer cells in G1 phase and downregulates cdk 2, 4, and 6, cyclin D1 and E1, p21 and p27. Mevastatin suppresses TNF-induced NF-κB activation (IC50 = ~17 uM), which potentiates apoptosis in human myeloid leukemia cells and thus, may be useful in treating cancer.
(E/Z)-BCI (NSC 150117) is a dual-specificity phosphatase 6 (DUSP6) inhibitor with anti-inflammatory activities. (E/Z)-BCI attenuates LPS-induced inflammatory mediators and ROS production in macrophage cells via activating the Nrf2 signaling axis and inhibiting the NF-κB pathway[1].
5-LOX-IN-2, an inhibitor of 5-lipoxygenase (5-LOX) with an IC50 of 0.33 μM, inhibits 5-LOX in a dose-dependent manner . 5-LOX-IN-2, reduces the cell viability of renal cancer cells and induces apoptosis, can be used for cancer research[1].
Toddacoumalone is a natural inhibitor of phosphodiesterase 4 (PDE4) with moderate potency and imperfect drug-like properties. Toddacoumalone has the potential for the research of inflammatory diseases such as psoriasis[1].
YH-306 is a candidate drug in preventing growth and metastasis of colorectal cancer by modulating FAK signalling pathway.
MG-262 is a reversible proteasome inhibitor with diverse biological activities[1][2][3].
Quinidine is an antiarrhythmic agent. Quinidine is a potent, orally active, selective cytochrome P450db inhibitor. Quinidine is also a K+ channel blocker with an IC50 of 19.9 μM. Quinidine can be used for malaria research[1][2][3].
Simeprevir is a potent HCV NS3/4A protease inhibitor which suppresses HCV replication with EC50 of 8 nM.
C75 is a synthetic fatty-acid synthase (FASN) inhibitor; inhibits prostate cancer cells PC3 with an IC50 of 35 μM.
HMB-Val-Ser-Leu-VE is a prototype vinyl ester inhibitor. HMB-Val-Ser-Leu-VE is against trypsin-like (T-L) proteasome activity with an IC50 of 0.033 μM[1].
HIF-2α-IN-1 is a HIF-2α inhibitor has an IC50 of less than 500 nM in HIF-2α scintillation proximity assay.IC50 value: ＜ 500 nMTarget: HIF-2α
RMC-4550 is a potent, selective and allosteric inhibitor of SHP2, with an IC50 of 0.583 nM.
Smurf1-IN-1 is an orally active and selective inhibitor of specific E3 ubiquitin protein ligase 1 (SMURF1) with an IC50 of 92 nM. Smurf1-IN-1 has significant efficacy in rats model of pulmonary hypertension[1].
Eupalinolide A, isolated from Eupatorium lindleyanum, induces the expression of HSP70 via the activation of HSF1 by inhibiting the interaction between HSF1 and HSP90[1].
Upamostat is a serine protease inhibitor. Upamostat is the orally available prodrug of the WX-UK1, which is a urokinase plasminogen activator (uPA) inhibitor.
TAPI-2 is a broad-spectrum inhibitor of matrix metalloprotease (MMP), tumour necrosis factorα-converting enzyme (TACE) and a disintegrin and metalloproteinase (ADAM), with an IC50 of 20±10 μM for MMP.
Aschantin, a bisepoxylignan, can be isolated from Magnolia biondii. Aschantin has antiplasmodial, Ca2+-antagonistic, platelet activating factor-antagonistic, and chemopreventive activities. Aschantin is a mTOR kinase inhibitor. Aschantin is also an inhibitor of Cytochrome P450 and UGT enzyme[1][2].
Aldose reductase-IN-6 (Compound 3) is a competitive aldose reductase (AR) inhibitor with an IC50 of 3.164 μM and a Ki of 0.018 μM. Aldose reductase-IN-6 exhibits no cytotoxicity against healthy cells[1].
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[1].
Aldose reductase-IN-4 (compund IIc) is an aldose reductase inhibitor with IC50s of 11.70 μM and 0.98 μM for aldehyde reductase 1 (ALR1) and ALR2, respectively[1].
Osocimab (BAY 1213790), an anti-FXIa antibody (Ki=2.4 nM; EC50=0.2 nM). FXI inhibition may reduce the risk of thrombosis. Osocimab inhibits thrombin generation, and prolongs activated partial thromboplastin time. Osocimab exhibits anticoagulant effects[1].
Irucalantide is kallikrein inhibitor[1].
Icapamespib (PU-HZ151) is a potent HSP90 inhibitor with an EC50 of 5 nM. Icapamespib is able to cross blood-brain barrier[1].
Ledipasvir acetone is the active pharmaceutical ingredient of Ledipasvir. Ledipasvir is an inhibitor of the hepatitis C virus NS5A, with EC50 values of 34 pM against GT1a and 4 pM against GT1b replicon.
5,7-Dimethoxyflavone is one of the major components of Kaempferia parviflora, has anti-obesity, anti-inflammatory, and antineoplastic effects. 5,7-Dimethoxyflavone inhibits cytochrome P450 (CYP) 3As. 5,7-Dimethoxyflavone is also a potent Breast Cancer Resistance Protein (BCRP) inhibitor[1][2].
Palmitic acid-d2-2 is the deuterium labeled Palmitic acid. Palmitic acid is a long-chain saturated fatty acid commonly found in both animals and plants. PA can induce the expression of glucose-regulated protein 78 (GRP78) and CCAAT/enhancer binding protein homologous protein (CHOP) in in mouse granulosa cells[1][2].