4-(Trifluoromethyl)umbelliferone is fluorescent probe substrate for rat hepatic cytochrome P450 enzymes[1].
Quinidine Monosulfate is an antiarrhythmic agent. Quinidine Monosulfate is a potent, orally active, selective cytochrome P450db inhibitor. Quinidine Monosulfate is also a K+ channel blocker with an IC50 of 19.9 μM. Quinidine Monosulfate can be used for malaria research[1][2][3].
Stiripentol (STP) is an anticonvulsant agent, which can inhibit N-demethylation of CLB to NCLB mediatated by CYP3A4 (noncompetitively) and CYP2C19 (competitively) with Ki of 1.59±0.07 and 0.516±0.065 μM and IC50 of 1.58 and 3.29 μM, respectively.
Bergapten is a natural anti-inflammatory and anti-tumor agent isolated from bergamot essential oil, other citrus essential oils and grapefruit juice. Bergapten is inhibitory towards mouse and human CYP isoforms.
Bergamottin is a potent and competitive CYP1A1 inhibitor with a Ki of 10.703 nM.
N-Nornuciferine is an aporphine alkaloid in lotus leaf that significantly inhibits CYP2D6 with IC50 and Ki of 3.76 and 2.34 μM, respectively.
PROTAC CYP1B1 degrader-1 (Compound 6C), a α-naphthoflavone chimera derivative, is able to eliminate cytochrome P450 (CYP)1B1-mediated drug resistance via targeted CYP1B1 degradation, with IC50s of 95.1 and 9838.6 nM for CYP1B1 and CYP1A2, respectively. PROTAC CYP1B1 degrader-1 can be used for the research of CYP1B1-overexpressing prostate cancer[1].
AZD7325 is a potent and orally active partial selective PAM of GABAAα2 and Aα3 receptor (Ki=0.3 and 1.3 nM, respectively), and has less antagonistic efficacy at the Aα1 and Aα5 receptor subtypes[1][4]. AZD7325 is a moderate CYP1A2 and a potent CYP3A4 inducer in vitro[2]. AZD7325 has the potential for the investigation of anxiety and dravet syndrome[3]. PAM: positive allosteric modulator.
Tetrahydropiperine, a cyclohexyl analogue of piperine, is the first natural aryl pentanamide from Piper longum[1]. Tetrahydropiperine (compound 14) inhibits the cytochrome P450 (CYP) isoform CYP1A1/arylhydrocarbon hydroxylase (AHH; IC50=23 µM)[2].
7-Ethoxy-4-methylcoumarin is a coumarin derivative and can be used as a substrate probe of mammalian cytochromes P450 1A1, 2B4 and 2B6[1][2].
Galangin is an agonist/antagonist of the arylhydrocarbon receptor, and also shows inhibition of CYP1A1 activity.
Chlormethiazole is an potent and orally active GABAA agonist[1]. Chlormethiazole inhibits cytochrome P450 isoforms: CYP2A6 and CYP2E1 in human liver microsomes. Chlormethiazole is an anticonvulsant agent and has the potential for treating convulsive status epilepticus[2].
ODM-204 is novel nonsteroidal dual inhibitor of both androgen receptor and CYP17A1 enzyme, with IC50s of 80 nM and 22 nM, respectively.
Gemfibrozil 1-O-β-Glucuronide, a metabolite of Gemfibrozil (CI-719; HY-B0258), is a potent and competitive P450 (CYP) isoform CYP2C8 inhibitor with an IC50 of 4.07 μM[1][2].
Inz-1 is a potent and selective mitochondrial cytochrome bc1 inhibitor for yeast (IC50=8.092 μM) over humans (IC50=45.320 μM). Inz-1 reverses Fluconazole (HY-B0101) or other triazole antifungals’ resistance in the pathogenic fungus Candida albicans[1].
Phenyltoloxamine (Bistrimin) is an antihistamine agent with sedative and analgesic effects. Phenyltoloxamine also has potent Sigma-1 receptor binding affinity (Ki: 160 nM)[1][2][3].
Tebuconazole is an agricultural azole fungicide which can also inhibit CYP51 with IC50s of 0.9 and 1.3 μM for Candida albicans CYP51 (CaCYP51) and truncated Homo sapiens CYP51 (Δ60HsCYP51), respectively.
EMT inhibitor-2 (Compound 1) inhibits epithelial-mesenchymal transition (EMT) induced by substances such as IL-1β and TGF-β released from the immunocytes. EMT inhibitor-2 inhibits CYP3A4 testosteron and CYP2C9 with IC50s of 49.72 and 5.54 μM, respectively[1].
GlcN-6-P Synthase-IN-1 (Compound 4d) is a Glucosamine-6-phosphate (GlcN-6-P) synthase inhibitor with an IC50 of 3.47 μM. GlcN-6-P Synthase-IN-1 exhibits significant antimicrobial activity. GlcN-6-P Synthase-IN-1 has good penetration in the CNS and is able to inhibit the cytochrome P450, CYP3A4 isoform[1].
CAY 10434 is a potent CYP4A hydroxylase inhibitor. CAY 10434 improves contractile response to angiotensin II with the maximal contractile response (Emax) 6764 mg[1].
Quilseconazole (VT-1129) is a potent, orally active fungal Cyp51 (lanosterol 14-α-demethylase) inhibitor, binds tightly to cryptococcal CYP51, but weakly inhibits humans CYP450 enzymes[1].
Talarozole is a potent inhibitor of both CYP26A1 and CYP26B1, with IC50s of 5.4 and 0.46 nM, respectively.
Diosmetin is a natural flavonoid which inhibits human CYP1A enzyme activity with an IC50 of 40 μM in HepG2 cell.
Rhapontigenin is a natural analog of resveratrol with anticancer, antioxidant, antifungal and antibacterial activities. Rhapontigenin is amechanism-based, potent and selective cytochrome P450 1A1 inactivator (IC50 = 400 nM). Rhapontigenin exhibits 400-fold and 23-fold selectivity for P450 1A1 over P450 1A2 and P450 1B1, respectively[1].
(3S,5S)-Atorvastatin is a inactive enantiomer of Atorvastatin. (3S,5S)-Atorvastatin can activate pregnane X receptor (PXR). Atorvastatin is an orally active HMG-CoA reductase inhibitor, has the ability to effectively decrease blood lipids[1][2].
Atazanavir-d6 is deuterium labeled Atazanavir. Atazanavir (BMS-232632), a highly selective HIV-1 protease inhibitor, is the first protease inhibitor approved for once-daily administration[1]. Atazanavir (BMS-232632) is a substrate and inhibitor of CYP3A4, and an inhibitor and inducer of P-glycoprotein (P-gp)[2]. Atazanavir is also a SARS-CoV 3CLpro inhibitor with an IC50 of 3.49 μM[3].
TMS is a selective inhibitor of CYP1B1 activity.
DMU2105 is a potent and specific CYP1B1 inhibitor, with IC50s of 10 nM and 742 nM for CYP1B1 and CYP1A1, respectively.
Thermopsoside is a flavone derivative isolated from Aspalathus linearis. Thermopsoside exhibits inhibitory effects on CYP450 isozymes with IC50 values of 6.0 μM, 9.5 μM, 12.0 μM, 32.0 μM, for CYP3A4, CYP2C19, CYP2D6 and CYP2C9, respectively[1].