Table 2.
Enzyme targets of cannabidiol
Target | Concentration range (μM); (effect) | EC50/IC50 (μM) | Ki/Km (μM) | Preparation or tissue | Assay type | Reference |
---|---|---|---|---|---|---|
ACAT | 1–30; (–) | <10* | ND | Fibroblast/human | [64] | |
Arylalkylamine N-acetyltransferase | 0.1–10.0; (–) | ND | ND | Pineal gland/rat | Radiometric assay | [65] |
Catalase | 10; (–) | ND | ND | Hepatic/mouse | [55] | |
Complex I | 2–102; (–)* | 8.2 | ND | Pig cortex | High-resolution respirometry in malate and pyruvate | [66] |
Complex II | 2–102 (–)* | 19.1 | ND | Pig cortex | High-resolution respirometry in succinate and rotenone | |
Complex IV | 2–102; (–)* | 18.8 | ND | Pig cortex | High-resolution respirometry in antimycin, ascorbate and TMPD | |
Complex I | 15–60 mg/kg, single dose (+) | ND | ND | Prefrontal/cerebral cortex | [67] | |
Complex II | ND | ND | Prefrontal/cerebral cortex/hippocampus | |||
Complex II–III | ND | ND | Prefrontal/cerebral cortex/hippocampus | |||
Complex IV | ND | ND | Prefrontal/cerebral cortex/striatum/hippocampus | |||
Complex I | 15–60 mg/kg/day for 14 days (+) | ND | ND | Prefrontal/cortex/striatum/hippocampus | ||
Complex II | ND | ND | Prefrontal/cortex/striatum/hippocampus | |||
Complex II–III | ND | ND | Prefrontal/cortex | |||
Complex IV | ND | ND | Prefrontal/cerebral cortex/striatum | |||
COX1 | 10–103; (–) | ND | ND | Recombinant/ovine | Polarography | [68] |
318; (NSC)* | ND | ND | Recombinant/ovine | Scintillation | [69] | |
COX2 | 10–103; (–) | ND | ND | Recombinant/human | Polarography | [68] |
318; (NSC)* | ND | ND | Recombinant/ovine | Scintillation | [69] | |
0.5mg/mouse/day for 23 days; (+) | ND | ND | Tumor/ CD-1 nude mice | Polarography | ||
CYP2C19 | 10–2–10; (–) | 2.51 | 0.793/50.800 | Recombinant/ human | HPLC/4'-OH-mephenytoin | [57] |
10–2–10; (–) | 1.55 | ND/1.26 | Recombinant/human | HPLC/5-OH-Omeprazole | ||
10–2–10; (–) | 1.79 | ND/2.32 | Recombinant/human | FLUOstar OPTIMA‡/ fluorescein, BMG Labtech, Offenburg, Germany | ||
CYP2D6 | 1–40; (–) | 6.52 | 1.16 | Recombinant/human | FLUOstar OPTIMA‡/O-demethylated metabolite of AMMC | [60] |
1–40; (–) | 6.01 | 2.69 | Recombinant/human | Measuring dextrome-thorphan O-demethylation | ||
CYP3A4 | 0.1–50.0; (–) | 11.7 | 1 | Baculovirus-infected insect cells/human | HPLC for N-desmethyl-diltiazem detection | [63] |
CYP3A5 | 0.1–50.0; (–) | 1.65 | 0.195 | Baculovirus-infected insect cells/human | HPLC for N-desmethyl-diltiazem detection | |
CYP3A7 | 0.1–50.0; (–) | 24.7 | 12.3 | Baculovirus-infected insect cells/human | HPLC for N-desmethyl-diltiazem detection | |
CYP2C9 | 0.1–10; (–)* | 2.7 | 2.31 | Recombinant/human | HPLC/ 4-hydroxy-diclofenac | [61] |
0.1–10; (–)* | 2.67 | 0.964 | Recombinant/human | HPLC/ 7-hydroxy-warfarin | ||
CYP1A1 | 0.1–2.5; (–) | 0.537 | 0.155 | Recombinant/human | FLUOstar OPTIMA for resorufin detection‡ | [62, 70] |
CYP1A2 | 1–10; (–) | ~3.5* | 2.69 | Recombinant/human | FLUOstar OPTIMA for resorufin detection‡ | [62] |
CYP1B1 | 1-–10; (–) | ~5* | 3.63 | Recombinant/human | FLUOstar OPTIMA for resorufin detection‡ | |
DAGL-α | 1–102; (NSC) | ND | ND | COS-7 cells membrane/human | Scintillation counting [14C]-oleic acid | [71] |
FAAH | 1–102; (–)* | 27.5 | ND | N18TG2 cell membrane/mouse | Scintillation counting [14C]-ethanolamine | [19] |
1–50; (–) | 15.2 | ND | Brain tissue membrane/rat | Scintillation counting [14C]-ethanolamine | [71] | |
0.5 mg/mouse/day for 23 days; (+) | ND | ND | Tumor/ CD-1 nude mice | [3H]-Arachidonic acid detection/RP-HPLC | [68] | |
10–16; (+) | ND | ND | U87 glioma cells | [3H]-Arachidonic acid detection/RP-HPLC | ||
Glutathione reductase | 102; (+) | ND | ND | Hepatic tissue/mouse | [55] | |
GSH peroxidase | 102; (+) | ND | ND | Hepatic tissue/mouse | ||
HMG-CoA Reductase | 1–30; (+) | ND | ND | Fibroblast/human | [64] | |
IDO | 0.1–10.0; (–) | ND | ND | LPS stimulated-THP-1 cells/human | HPLC/kynurenine–tryptophan | [72] |
LOX-5 | 2–200; (–) | 73.73 | ND | LOX inhibitor screening assay kit (Cayman Chemical)† | Hydroperoxides treated with chromogen spectrophotometry | [73] |
10–103; (NSC) | ND | ND | Purified from barley | Spectropho-tometric detection of hydroperoxides | [68] | |
0.5mg/mouse/day for 23 days; (–) | ND | ND | Tumor/ CD-1 nude mice | Detection of arachidonic acid detection/RP-HPLC | ||
LOX-15 | 0.2–10.0; (–) | 2.56 | ND | LOX inhibitor screening assay kit (Cayman Chemical)† | Hydroperoxides treated with chromogen spectropho-tometry | [73] |
10–103; (NSC) | ND | ND | Purified from soybean | Spectropho-tometric detection of hydroperoxi-des | [68] | |
MAGL | 1–102; (NSC) | ND | ND | COS-7 cells homogenate/human | Scintillation counting [3H]-glycerol | [19] |
N-acylethanolamine acid amide hydrolase | 1–102; (-) | >100 | ND | HEK293 cells membrane/human | Scintillation counting [14C]-ethanolamine | |
NAD(P)H quinone reductase | 102; (–) | ND | ND | Hepatic tissue/mouse | NADH-dependent reaction | [55] |
102; (–) | ND | ND | Hepatic tissue/mouse | NADPH-dependent reaction | ||
NAPE-PLD | 0.5 mg/mouse/day for 23 days; (NSC) | ND | ND | Tumor/ CD-1 nude mice | Assaying [3H]-anandamide formation | [68] |
Phosholipase A2 | 31.9–159.5; (+, –) | 6.4/134.0 | ND | Naja naja venom | Spectroscopy | [74] |
Progesterone 17α-hydroxylase | 10–103; (–) | ND | ND | Testis microsome/rat | HPLC | [75] |
SOD | 102; (–) | ND | ND | Hepatic tissue/mouse | [55] | |
Sphingomyelinase | 16.00–63.60; (+)* | ND | ND | Nieman pick Fibroblast/human | HPLC, kratos detector and rainin Microsorb§ | [76] |
Testosterone 6α-hydroxylase | 10–103; (–) | ND | ND | Hepatic microsome/rat | [75] | |
Testosterone 16β-hydroxylase | 10–103; (–) | ND | ND | Hepatic microsome/rat |
ACAT = acyl-cholesterol acyltransferase; COX = cyclooxygenase; CYP = cytochrome P; DAGL = diacylglycerol lipase; FAAH = fatty acid amide hydrolase; GSH = Glutathione; HMG-CoA = 3-hydroxy-3-methylglutaryl-coenzyme A; IDO = indoleamine-2,3-dioxygenase; LOX = lipoxygenase; MAGL = monoacylglycerol lipase; NAPE-PLD = N-acyl-phosphatidyl-ethanolamine-selective phospholipase D; SOD = superoxide dismutase; NSC = no significant change; ND = not described; LPS = lipopolysaccharide; HEK = human embryonic kidney; TMPD = trimethyl pentanediol; HPLC = high-performance liquid chromatography; AMMC = 3-[2-(N,N-diethyl-N-methylammonium)-ethyl]-7-methoxy-4-methylcoumarin; RP-HPLC = reverse phase HPLC; NADH = nicotinamide adenine dinucleotide; NADPH = nicotinamide adenine dinucleotide phosphate; (+) = stimulation; (–) = inhibition
*Estimated from plots in cited paper
†Ann Arbor, MI, USA
§Agilent, Santa Clara, CA, USA