CYP4A11/CYP4F2-IN-2 (compound 15) is an orally available inhibitor of CYP4A11/4F2 with IC50s of 120 nM and 220 nM, respectively. CYP4A11/CYP4F2-IN-2 inhibits 20-HETE production in rat kidney and has potential inhibitory effects on diabetic nephropathy and autosomal dominant polycystic kidney disease[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].
Salvianolic acid C is a noncompetitive Cytochrome P4502C8 (CYP2C8) inhibitor and a moderate mixed inhibitor of Cytochrome P45022J2 (CYP2J2), with Kis of 4.82 μM and 5.75 μM for CYP2C8 and CYP2J2, respectively.
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].
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].
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].
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].
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].
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].
Doxepin D3 Hydrochloride is a deuterium labeled Doxepin Hydrochloride. Doxepin hydrochloride is an orally active tricyclic antidepressant used as a sedative. Doxepin hydrochloride is a potent and selective histamine receptor H1 antagonist. Doxepin hydrochloride is also a potent CYP450 inhibitor and significantly inhibits CYP450 2C19 and 1A2[1][2].
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].
Opevesostat is a cholesterol side-chain cleavage enzyme (CYP11A1) inhibitor[1].
8α-(2-Methylacryloyloxy)-hirsutinolide-13-O-acetate is an irreversible CYP2A6 inhibitor with IC50s of 8.64 μM and 22.3 μM with pre-incubation and co-incubaition, respectively. 8α-(2-Methylacryloyloxy)-hirsutinolide-13-O-acetate also inhibits MAO-A and MAO-B with IC50s of 60.2 and 38.6 μM, respectively[1].
Mephenytoin, an anticonvulsant, is the CYP2C19 and CYP2B6 substrate[1].
Olivetol is a naturally phenol found in lichens and produced by certain insects, acting as a competitive inhibitor of the cannabinoid receptors CB1 and CB2[3]. Olivetol also inhibits CYP2C19 and CYP2D6 activity, with IC50s of 15.3 μM, 7.21 μM and Kis of 2.71 μM, 2.87 μM, respectively[1][2].
An oral glucocorticoid agonist for the treatment of rheumatoid arthritis. Rheumatoid Arthritis Phase 1 Clinical
CYP1B1-IN-4 is a 2,4-diarylthiazole compound with selectively CYP1B1 inhibition (IC50=0.2 nM). CYP1B1-IN-4 has little cytotoxicity and high stability in both human and rat liver microsomes[1].
Pradefovir mesylate is a good substrate for liver CYP3A4. Pradefovir is converted to 9-(2-phosphonylmethoxyethyl)adenine (PMEA) in human liver microsomes with a Km of 60 μM.
Isosilybin (Isosilybinin) is a flavonoid from milk thistle; inhibits CYP3A4 induction with an IC50 of 74 μM.
Nefazodone is an orally active phenylpiperazine antidepressant. Nefazodone can potently and selectively block postsynaptic 5-HT2A receptors, and moderately inhibit 5-HT and noradrenaline reuptake. Nefazodone can also relieve the adverse effects of stress on the the immune system of mice. Nefazodone has a high affinity for CYP3A4 isoenzyme, which indicates that it has certain risk of drug-drug interaction[1][2][3].
Resorufin methyl ether (Methoxyresorufin) is a cytochrome P450 fluorometric substrate[1]. Resorufin methyl ether is a relatively specific substrate for CYP1A2 activity in rodents[1][2].
Nav1.7-IN-8 is a potent blockage of NaV1.7 with high selectivity for the inhibition of NaV1.7 over the subtypes hNaV1.1 and hNaV1.5. Nav1.7-IN-8 inhibits CYP2C9 and CYP3A4 with an IC50 of 0.17 μM and 0.077 μM, respectively. Nav1.7-IN-8 displays significant analgesic effects in rodent models of acute and inflammatory pain[1].
Acetylshikonin, derived from the root of Lithospermum erythrorhizon, has anti-cancer and antiinflammation activity. Acetylshikonin is a non-selective cytochrome P450 inhibitor against all P450s (IC50 values range from 1.4-4.0 μM). Acetylshikonin is an AChE inhibitor and exhibits potent antiapoptosis activity[1][2][3].
Casopitant mesylate (GW679769B) is a potent, selective, brain permeable and orally active neurokinin 1 (NK1) receptor antagonist. Casopitant mesylate is a second in the class of antiemetics that acts to antagonise the emetogenic effect of substance P. Casopitant mesylate is also a substrate and a weak-to-moderate inhibitor of CYP3A4. Casopitant mesylate can be used for chemotherapy-induced nausea and vomiting (CINV) and postoperative nausea and vomiting (PONV)[1][2].