Monoamine Oxidase

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.

PXS-5153A is an effective, selective, and fast-acting inhibitor of lysyl oxidase like 2 3 enzymes with enzymatic activity almost entirely blocked within 15 minutes. PXS-5153A could reduce crosslinks and ameliorates fibrosis.

Lenumlostat is an orally available, selective and potent lysyl oxidase-like protein 2 (LOXL2) inhibitor with inhibitory effects on hLOXL2, hLOXL3 and LOXL2 for the study of fibrotic diseases.

OG-L002 is an effective and selective LSD1 inhibitor (IC50: 20 nM), showing 69- and 36-fold selectivity over MAO-A and MAO-B, respectively.

Methylene Blue (Tetramethylthionine chloride) (IC50 of 1.9 μM) inhibits tau filament formation. And it inhibits soluble guanylyl cyclase. It is also used as a dye in chromoendoscopy.

Rosiridin (6'-O-Deacetylrosiridoside C) has cardioprotective activity.

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.

Aminoacetone hydrochloride (1-Aminoacetone Hydrochloride) is an oxidant for ferritin and isolated mitochondria, inducing the loss of ferritin iron ring enzyme and iron uptake activity.

MAO-IN-M30 dihydrochloride is a highly potent non-selective inhibitor of MAO-A and MAO-B (IC50 < 0.1 μM). MAO-IN-M30 dihydrochloride is orally active and can cross the blood-brain barrier. It is an effective iron chelator and free radical scavenger. MAO-IN-M30 dihydrochloride has neuroprotective activity in in vitro and in vivo models of Parkinson's disease (PD). It increases brain dopamine, serotonin and norepinephrine and can serve as a lead drug for the development of multifunctional drugs to treat various neurodegenerative diseases.

PAT-1251 is an inhibitor of LOXL2 with IC50s of 10, 0.12, and 0.16 μM for the mouse, rat, and dog and can be used in studies about fibrotic diseases.

Simtuzumab is a monoclonal antibody against lysyl oxidase-like protein 2 (LOXL2). Simtuzumab can be used to treat primary sclerosing cholangitis (PSC) and is not effective in patients with bridging fibrosis or compensatory cirrhosis caused by non-alcoholic steatohepatitis.

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

BI-1467335 HCl(BI 1467335) is a selective, orally active inhibitor of semicarbazide-sensitive amine oxidase (SSAO) that helps improve chronic obstructive pulmonary disease in mice[2].

Phenelzine sulfate is a non-selective, irreversible monoamine oxidase inhibitor (MAOI) with antidepressant and anxiolytic properties.

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

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

Harmane (Loturine) is a bio-active β-Carboline and monoamine oxidase inhibitor found in coffee and tobacco smoke.

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

PXS-5120A is an irreversible fluoroallylamine Lysyl Oxidase-like 2 3 (LOXL2 3) inhibitor with anti-fibrotic activity.

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.

(2-Chloropyridin-4-yl)methanamine hydrochloride is a selective LOXL2 inhibitor with an IC50 of 126 nM.

Harmol, a β-carboline alkaloid, is a monoamine oxidase inhibitor that can be used as an analytical reference standard.

Methylene Blue trihydrate (Basic blue 9) is a compound consisting of dark green crystals or crystalline powder, having a bronze-like luster. Solutions in water or alcohol have a deep blue color. Methylene Blue trihydrate is used as a bacteriologic stain and as an indicator. It inhibits soluble guanylyl cyclase and has been used to treat cyanide poisoning and to lower levels of methemoglobin. It also inhibits tau filament formation (IC50: 1.9μM).

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

Amitraz (NSC 324552) is a white monoclinic crystals. Melting point 187-189°F (86-87°C). Insoluble in water. Used as an acaricide, insecticide and treatment of demodectic mange in dogs.

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

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

Medifoxamine (LG 152) is a selective non-monoamine oxidase inhibitor that exhibits antidepressant activity through inhibition of 5 HT reuptake.Medifoxamine preferentially inhibits dopamine reuptake.

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

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

Obtusin is a natural product.

J-147 is an experimental drug with reported effects against both Alzheimer's disease and ageing in mouse models of accelerated aging. It is a curcumin derivative and a potent neurogenic and neuroprotective drug candidate initially developed for the treatment of neurodegenerative conditions associated with aging that impacts many pathways implicated in the pathogenesis of diabetic neuropathy.

1. Desmethoxyyangonin (5,6-Dehydrokavain) protects LPS or LPS D-GalN-induced damages in cell or liver tissues mainly through de-regulating IKK NFκB and Jak2 STAT3 signaling pathways. 2. The induction of CYP3A23 by dihydromethysticin and Desmethoxy yangonin involves transcription activation, probably through a PXR-independent or PXR-involved indirect mechanism.

Isocarboxazid has the formula 1-benzyl-2-(5-methyl-3-isoxazolylcarbonyl)hydrazine-isocarboxazid. It is a monoamine oxidase inhibitor.[2] It is used in the treatment of major depression, dysthymic disorder, atypical disorder, panic disorder and the phobic

Pargyline hydrochloride (Pargylamine hydrochloride) is an irreversible monoamine oxidase(MAO) inhibitor with antihypertensive properties.

Lazabemide hydrochloride (N-(2-Aminoethyl)-5-chlor-2-pyridincarbox) is a reversible and selective mao-b inhibitor(Ki:7.9nM).

Norharmane (β-Carboline) is a natural β-carboline first isolated from plants of the Zygophyllaceae family.

Bifemelane hydrochloride is a MAO inhibitor

Modaline was a 2-methyl-3-piperidinopyrazine derivative found to inhibit monoamine oxidase (MAO) and showed a curative effect for the anti-depressant. Similar to other MAO inhibitors, it enhanced convulsions induced by tryptamine and hyperthermia induced

Rasagiline Mesylate (AGN1135) is a novel MAO-B inhibitor, which can treat idiopathic Parkinson's disease.

Isatin (2,3-Indolinedione) is an endogenous MAO inhibitor.

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.

7-Hydroxy-3,4-dihydro-2(1H)-quinolinone is a weak MAO-A inhibitor(with an IC50 of 183 μM) .

TB5 is a potent, selective, and reversible inhibitor of hMAO-B.

Azure B (Azure B chloride) is a cationic dye and the major metabolite of Methylene blue. Azure B is a selective, and reversible inhibitor of MAO-A (IC50s: 11 and 968 nM for recombinant human MAO-A and MAO-B).

CCT365623 is an orally bioavailable Lysyl Oxidase inhibitor with good anti-LOX potency, selectivity, pharmacokinetic properties, as well as anti-metastatic efficacy.

Iproniazid Phosphate is a non-selective, irreversible monoamine oxidase inhibitor (MAOI).

MAO-B-IN-9 is a monoamine oxidase B MAO-B inhibitor (IC50: 0.18 μM) that crosses the blood-brain barrier with potency, selectivity and time-dependence. MAO-B-IN-9 has neuroprotective effects against Aβ1-42-induced neuronal cell death, which may be related to the anti-aggregation effect of Aβ1-42.