Cholesterol 24-hydroxylase-IN-2 is an inhibitor of cholesterol 24-hydroxylase (CH24H or CYP46A1), with the IC50 of 5.4 nM. Cholesterol 24-hydroxylase-IN-2 can be used in imaging of cholesterol 24-hydroxylase in mammals[1].
Obtusifoliol is a specific CYP51 inhibitor, Obtusifoliol shows the affinity with Kd values of 1.2 µM and 1.4 µM for Trypanosoma brucei (TB) and human CYP51, respectively[1].
FLT3-IN-17 inhibits CYPs and FLT3 mutants activity (IC50s: <0.5 nM for D835Y). FLT3-IN-17 is also a FAK inhibitor, with an IC50 value of 12 nM. FLT3 ligand-2 can be used in the research of cancers[1].
HET0016 is a potent and selective 20-hydroxyeicosatetraenoic acid (20-HETE) synthase inhibitor, with IC50 values of 17.7 nM, 12.1 nM and 20.6 nM for recombinant CYP4A1-, CYP4A2- and CYP4A3-catalyzed 20-HETE synthesis, respectively. HET0016 also is a selective CYP450 inhibitor, which has been shown to inhibit angiogenesis and tumor growth[1][2].
(Rac)-Brassinazole, triazole-type compound, is a brassinosteroid (BR) biosynthesis inhibitor. (Rac)-Brassinazole increases inhibition of CYP90B in BR biosynthesis[1][2]
(3S,5S)-Atorvastatin sodium salt is a pregnane X receptor (PXR) activator and the inactive enantiomer of Atorvastatin. Atorvastatin is an orally active HMG-CoA reductase inhibitor with lipid-lowering capabilities[1].
Vildagliptin carboxylic acid metabolite (M20.7) TFA is a potent P450 enzyme activity inhibitor[1].
Naringin is a major flavanone glycoside obtained from tomatoes, grapefruits, and many other citrus fruits. Naringin exhibits biological properties such as antioxidant, anti-inflammatory, and antiapoptotic activities.
Quinate is an antiarrhythmic agent. Quinate is a potent, orally active, selective cytochrome P450db inhibitor. Quinate is also a K+ channel blocker with an IC50 of 19.9 μM. Quinate can be used for malaria research[1][2][3].
Dapaconazole, as an antifungal agent, inhibits sterol 14α-demethylase cytochrome P450 activity with an IC50 of 1.4 μM[1].
Pyributicarb, a carbamate-type herbicide, is a potent activator of both CYP3A4 gene and human pregnane X receptor (hPXR).
ONT-993 is an aliphatic hydroxylated metabolite. ONT-993 inhibits CYP2D6 (IC50=7.9 µM) and causes metabolism-dependent inactivation of CYP3A (KI=1.6 µM)[1].
Chlorzoxazone is a centrally acting muscle relaxant used to treat muscle spasm and the resulting pain or discomfort. It acts on the spinal cord by depressing reflexes.Chlorzoxazone is currently being used as a marker substrate in vitro/vivo studies to quantify cytochrome P450 2E1 (CYP2E1) activity in humans.
Mefentrifluconazole is a novel azole derivative and used as an agrochemical broad-spectrum antifungal agent. Mefentrifluconazole is a potent, selective and orally active fungal CYP51 (Kd= 0.5 nM) inhibitor, but shows less inhibitory activity on human aromatase (IC50=0.92 μM)[1].
Fipronil is an insecticide that acts as a selective antagonist of insect GABA receptors (IC50s = 30 nM and 1,600 nM for cockroach and rat receptors, respectively). Fipronil also inhibits desensitizing and non-desensitizing glutamate-induced chloride currents in cockroach neurons (IC500s = 800 nM and 10 nM, respectively). Fipronil induces activity of the cytochrome P450 (CYP) isoforms CYP1A1/2, CYP2B1/2, and CYP3A1/2 in isolated rat liver microsomes.
ε-Viniferin, the dimer of Resveratrol and isolated from Vitis vinifera, displays a potent inhibitory for all the CYP activities, with Ki values from 0.5-20 μM. ε-Viniferin possesses potent antioxidant capacity[1][2].
FR 901537 is a potent and competitive aromatase inhibitor. FR 901537, a novel naphthol derivative, has the potential for breast cancer research[1].
7-Benzyloxy-4-(trifluoromethyl)coumarin (7-BFC) is a coumarin fluorescent substrate. 7-Benzyloxy-4-(trifluoromethyl)coumarin is a substrate for cDNA-expressed CYP1A2 and CYP3A4 and is metabolized to 7-hydroxy-4-trifluoromethylcoumarin (HFC). 7-Benzyloxy-4-(trifluoromethyl)coumarin is used for rapid CYP isoform metabolism and inhibition screening studies[1].
Curcumenol is one of constituents in the plants of medicinally important genus of Curcuma[1].
Ginsenoside Rd inhibits TNFα-induced NF-κB transcriptional activity with an IC50 of 12.05±0.82 μM in HepG2 cells. Ginsenoside Rd inhibits expression of COX-2 and iNOS mRNA. Ginsenoside Rd also inhibits Ca2+ influx. Ginsenoside Rd inhibits CYP2D6, CYP1A2, CYP3A4, and CYP2C9, with IC50s of 58.0±4.5 μM, 78.4±5.3 μM, 81.7±2.6 μM, and 85.1±9.1 μM, respectively.
LY43578 is an orally active aromatase inhibitor. LY43578 inhibits P-450-dependent p-nitroanisole O-demethylation and ethylmorphine N-demethylation in hepatic microsomes isolated from rat, with the IC50 of 0.3 and 5 μΜ, respectively. LY43578 can be used for neurological disorder study[1][2].
Memantine, an amantadine derivative with low to moderate-affinity for NMDA receptors, inhibit CYP2B6 and CYP2D6 with Ki of 0.51 nM and 94.9 μM, respectively..Target: NMDA Receptor, Memantine (Ebixa, Axura, Namenda, Akatinol) is a moderate-affinity, uncompetitive, voltage-dependent, NMDA-receptor antagonist with fast on/off kinetics that inhibits excessive calcium influx induced by chronic overstimulation of the NMDA receptor. Memantine is approved in the US and the EU for the treatment of patients with moderate to severe dementia of the Alzheimer's type [1]. Memantine has considerable therapeutic potential for the myriad of clinical entities associated with NMDA receptor-mediated neurotoxicity [2]. Memantine blocked 200 microM NMDA-evoked responses with a 50% inhibition constant (IC50) of approximately 1 microM at -60 mV and an empirical Hill coefficient of approximately 1 [3].
β-Apo-8'-carotenal (Apocarotenal), a provitamin A carotenoid, is an inducer of CYPlA1 and CYPlA2 in rat. β-Apo-8'-carotenal is present in many fruits and vegetables[1].
α-Terpinyl acetate is a monoterpene ester isolated from Laurus nobilis L. essential oil. α-Terpinyl acetate is a competitive P450 2B6 substrate which binding to the active site of P450 2B6 with a Kd value of 5.4 μM[1][2].
Dihydromethysticin is one of the six major kavalactones found in the kava plant; has marked activity on the induction of CYP3A23.
1-Ethynylnaphthalene is a selective inhibitor of cytochrome P450 1B1.
CDD3506 is used for elevating high density lipoprotein cholesterol (HDL) by inducing hepatic cytochrome P450IIIA (CYP3A) activity.
N-Desmethyl Apalutamide is an active metabolite of Apalutamide. N-Desmethyl Apalutamide is a less potent antagonist of the androgen receptor and is responsible for one-third of the activity of Apalutamide. The formation of N-Desmethyl Apalutamide mediated predominantly by CYP2C8 and CYP3A4. N-Desmethyl Apalutamide is moderate to strong CYP3A4 and CYP2B6 inducer and has an excellent plasma-proteins bound concentration[1][2][3].
LY56110 is an orally active aromatase inhibitor. LY56110 inhibits P-450-dependent p-nitroanisole O-demethylation and ethylmorphine N-demethylation in hepatic microsomes isolated from rat, with the IC50 of 2.5 and 11 μΜ, respectively. LY56110 can be used for neurological disorder study[1][2].
20-HETE inhibitor-1 (comp 83) is a 20-HETE formation inhibitor[1]