MAO

4-Hydroxyderricin, a potent and selective MAO-B inhibitor (IC50: 3.43 μM), is the main active ingredient of Angelica sinensis, which mildly inhibits dopamine β-hydroxylase (DBH) activity and possesses antidepressant activity.

Glycyrrhisoflavone is a tyrosinase inhibitor with anti-inflammatory effects. Glycyrrhisoflavone inhibits α-glucosidase and monoamine oxidase.

Sembragiline (EVT-302) is a selective MAO-B inhibitor for the study of Alzheimer's disease (AD).

2614W94 is a selective inhibitor of MAO-A with IC50 of 5 nM and Ki of 1.6 nM.

Linezolid (PNU-100766), the first of the oxazolidinone class, is a synthetic antibiotic used for the therapy of infections resulted from multi-resistant bacteria including methicillin-resistant Staphylococcus aureus (MRSA) and streptococcus. The drug takes effect as the inhibitor of the initiation of bacterial protein synthesis.

Ethaverine hydrochloride is a homologue of papaverine and is used as a vasodilator and antispasmodic.[2]

Indantadol HCl (CHF-3381) is a NMDA antagonist and nonselective MAO inhibitor.

RS 8359 is a reversible inhibitor of monoamine oxidase A (MAO-A) with a selectivity ratio of about 2200 for the A:B enzyme types. RS 8359 has antidepressant activity.

Rosmarinic acid (Labiatenic acid) is widely found in plants and has antioxidant, anti-inflammatory, and antibacterial activities. It inhibits MAO-A, MAO-B, and COMT with IC50 of 50.1, 184.6, and 26.7 μM respectively.

CX-157 (KP 157) is a novel monoamine oxidase-A (MAO-A) inhibitor for the study of depression-like neurological disorders and cancer.

BW-1370U87 is a reversible competitive monoamine oxidase-A inhibitor for the study of depression and other CNS disorders.

Atibeprone is a MAO-B inhibitor with antidepressant activity for the study of Parkinson's disease.

Sennoside A (NSC-112929), a kind of irritant laxative isolated from rhei rhizome, causes purgative actions in the intestine.

CR4056 (6-(1H-imidazol-1-yl)-2-phenylquinazoline) is a selective inhibitor of MAO-A with IC50 of 202.7 nM and a ligand of I2-imidazoline receptor with IC50 of 596 nM.

Tetrindole mesylate is a MAO-A inhibitor.

Glycyrrhizic acid (Glycyrrhizin) is a triterpenoid saponinl with anti-tumor and anti-diabetic activities.

Tedizolid (DA-7157)is a novel oxazolidinone-class antibiotic that inhibits bacterial protein synthesis by binding to the 23S ribosomal RNA of the 50S subunit of the ribosome.

Raloxifene hydrochloride (LY156758 hydrochloride) is a second generation selective estrogen receptor modulator (SERM) used to prevent osteoporosis in postmenopausal women. It has estrogen agonist effects on bone and cholesterol metabolism but behaves as a complete estrogen antagonist on mammary gland and uterine tissue.

Osthenol is a natural product, and is selective, reversible, and competitive human monoamine oxidase-A (hMAO-A) inhibitor (Ki=0.26 µM).It shows antitumor-promoting activity, it also has antifungal and antibacterial activities.

PSB-1434 is a selective and competitive monoamine oxidase B inhibitor.

Jatrorrhizine (neprotin) is a protoberberine alkaloid isolated from Enantia chlorantha (Annonaceae) and other species. It was found to have antimicrobial and antifungal activity. It binds and noncompetitively inhibits monoamine oxidase (IC50 4 micromolar for MAO-A and 62 for MAO-B).

Clorgyline hydrochloride (Clorgiline hydrochloride), a white powder, is served as monoamine oxidase inhibitor.

Tranylcypromine (2-PCPA) hydrochloride (SKF-385 HCl), a Monoamine Oxidase inhibitor, is effective in the treatment of major depression, dysthymic disorder, and atypical depression.

Harmine (Telepathine) is an alkaloid isolated from seeds of Peganum harmala.

Tyramine (Uteramine) is an indirect sympathomimetic that occurs naturally in cheese and other foods. Tyramine does not directly activate adrenergic receptors, but it can serve as a substrate for adrenergic uptake systems and MONOAMINE OXIDASE to prolong the actions of adrenergic transmitters. It also provokes transmitter release from adrenergic terminals and may be a neurotransmitter in some invertebrate nervous systems.

Minaprine dihydrochloride is a reversible MAO-A inhibitor; It weakly inhibit acetylcholinesterase. Minaprine dihydrochloride is an antidepressant for treatment of depression.

Tetrahydroharmine (Leptaflorine) is a natural product found in the stems and large branches of Banisteriopsis caapi cultivar Da Vine. Tetrahydroharmine is a Monoamine oxidase A inhibitor.

Hydralazine hydrochloride (Apresoline) is the hydrochloride salt of hydralazine, a phthalazine derivative with antihypertensive and potential antineoplastic activities. Hydralazine alters intracellular calcium release and interferes with smooth muscle cell calcium influx, resulting in arterial vasodilatation. This agent also inhibits the phosphorylation of myosin protein and chelation of trace metals required for smooth muscle contraction, resulting in an increase in heart rate, stroke volume, and cardiac output. In addition to its cardiovascular effects, hydralazine inhibits DNA methyltransferase, which may result in inhibition of DNA methylation in tumor cells.

Ladostigil (Ladostigil free base) is an orally active dual inhibitor of cholinesterase and brain-selective monoamine oxidase (MAO) with inhibitory effects on MAO-B and AChE, with IC50 values of 37.1 and 31.8 μM, respectively.Ladostigil possesses anti-inflammatory, antioxidant, and neuroprotective activities, and may be used in studies of depression and Alzheimer's disease.

Paeonol (Peonol) is an active extraction from Paeonia suffruticosa. Paeonol inhibits MAO-A and MAO-B with IC50 of 54.6 μM and 42.5 μM, respectively.

Rosmarinate acid(Rosemary acid) inhibits MAO-A, MAO-B and COMT enzymes with IC50s of 50.1, 184.6 and 26.7 μM, respectively

Salvigenin is a potent hMAO-A inhibitor, has neuroprotective, antitumor and immunomodulatory effects.

Purpurin (Verantin) was a reversible and competitive inhibitor of MAO-A with a Ki value of 0.422μM. it exhibits anti-angiogenic, antifungal, antibiotic, and antioxidative activities.

Tranylcypromine hemisulfate (Tranylcypromine Sulfate) is an inhibitor of monoamine oxidase (MAO) and lysine-specific demethylase 1 (LSD1) with a rapid onset of activity.

Cassiaside B2 is an inhibitor of protein tyrosine phosphatase 1B (PTP1B) and human monoamine oxidase A (hMAO-A).Cassiaside B2 is an agonist of the 5-HT2C receptor with anti-allergic activity.Cassiaside B2 is one of the active ingredients in the naphthylpyrone reference extract (NRE).

Safinamide (FCE-26743) is a reversible and selective monoamine oxidase B (IC50 0.098μM) inhibitor, reducing the degradation of dopamine, and a glutamate release inhibitor (IC50 8μM). It also inhibits dopamine reuptake. Safinamide also blocks sodium and calcium channels. Potential additional uses of Safinamide might be Parkinson's disease, restless leg syndrome and epilepsy.

Hydroxyamine hydrochloride(Hydroxylammonium chloride) is a selective and potent monoamine oxidase (MAO) inhibitor with inhibitory effects on platelet aggregation.Hydroxyamine hydrochloridee is an intermediate in organic synthesis and can be used to synthesize other active compounds.

RN-1 dihydrochloride is an effective and selective irreversible inhibitor of lysine-specific demethylase 1 (LSD1, IC50 = 70 nM).

Nialamide (Nialamid) is an MAO inhibitor that is used as an antidepressive agent.

Furazolidone (Furoxone), a nitrofuran derivative, inhibits AML1-ETO transformed cells with IC50 value of 12.7 μM. It is antibacterial and antiprotozoal activity,

Rasagiline (AGN1135) is an inhibitor of monamine oxidase used as adjunctive therapy in combination with levodopa and carbidopa in the management of Parkinsons disease.

PSB-1491 is a selective and competitive monoamine oxidase B inhibitor with an IC50 of 0.386 nM, demonstrating over 25,000-fold selectivity compared to MAO-A.

Pargyline (Pargylamine) is a monoamine oxidase inhibitor with antihypertensive properties.

Minaprine, a reversible inhibitor of MAO-A, is used in the treatment of various depressive states.

Safinamide mesylate (EMD 1195686 mesylate) , a mesylate salt of Safinamide, can reversibly and specifically inhibit MAO-B (IC50: 98 nM), has 5918-fold selectivity against MAO-A.

Moclobemide (Ro111163) is a reversible inhibitor of monoamine oxidase type A; (RIMA); (see MONOAMINE OXIDASE INHIBITORS) that has antidepressive properties.

Toloxatone (MD 69276) is a reversible inhibitor of monoamine oxidase A (MAOA).

Obtusin is a natural product.