2. Signaling Pathways
  3. Neuronal Signaling
  4. Monoamine Oxidase

Monoamine Oxidase

MAO

Monoamine Oxidase

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Monoamine oxidases (MAO) are a family of enzymes that catalyze the oxidation of monoamines. They are found bound to the outer membrane of mitochondria in most cell types in the body. They belong to the protein family of flavin-containing amine oxidoreductases. Monoamine oxidases catalyze the oxidative deamination of monoamines. Oxygen is used to remove an amine group from a molecule, resulting in the corresponding aldehyde and ammonia. Monoamine oxidases contain the covalently bound cofactor FAD and are, thus, classified as flavoproteins. Because of the vital role that MAOs play in the inactivation of neurotransmitters, MAO dysfunction is thought to be responsible for a number of psychiatric and neurological disorders. MAO-A inhibitors act as antidepressant and antianxiety agents, whereas MAO-B inhibitors are used alone or in combination to treat Alzheimer’sand Parkinson’s diseases.

Monoamine Oxidase Isoform Specific Products:

Monoamine Oxidase Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-10399
    Ladostigil
    		Inhibitor
    Ladostigil (TV-3326) is an orally active dual inhibitor of cholinesterase and brain-selective monoamine oxidase (MAO), with IC50s of 37.1 and 31.8 μM for MAO-B and AChE, respectively. Ladostigil exhibits neuroprotective, antioxidant and anti-inflammatory activities. Ladostigil can be used for the research of depression and Alzheimer's disease. Ladostigil is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
    Ladostigil
  • HY-146958
    MAO-B-IN-8
    		Inhibitor 98.03%
    MAO-B-IN-8 is a potent reversible MAO-B inhibitor and an inhibitor of microglial production of neuroinflammatory mediator. MAO-B-IN-8 can be used for neurodegenerative disease research.
    MAO-B-IN-8
  • HY-132907
    MAO-B-IN-2
    		Inhibitor 99.05%
    MAO-B-IN-2 is a selective and competitive inhibitor of MAO-B and BChE with IC50 values of 0.51 and 7.00 μM, respectively.
    MAO-B-IN-2
  • HY-W653809
    Mephentermine hydrochloride
    		Inhibitor 98.52%
    Mephentermine hydrochloride significantly increases peripheral resistance. Derivatives of mephentermine hydrochloride are inhibitors of MAO-A/B and can be used in cardiovascular research.
    Mephentermine hydrochloride
  • HY-151499
    PXS-6302
    		Inhibitor
    PXS-6302 is an irreversible lysyl oxidase inhibitor with IC50s of 3.7 μM (Bovine LOX), 3.4 μM (rh LOXL1), 0.4 μM (rh LOXL2), 1.5 μM (rh LOXL3), 0.3 μM (rh LOXL4), respectively. PXS-6302 has readily skin penetrability, reduces collagen deposition and significantly improves scar appearance.
    PXS-6302
  • HY-125515
    Tetrahydroharmine
    		Inhibitor 98.00%
    Tetrahydroharmine (Leptaflorine) is A monoamine oxidase (MAO) inhibitor with a IC50 value of 74 nM for MAO-A. Tetrahydroharmine can be used in the study of neurodegenerative diseases.
    Tetrahydroharmine
  • HY-13779A
    J147
    		Inhibitor 99.90%
    J147 is an exceptionally potent, orally active, neuroprotective agent for cognitive enhancement. J147 can pass the blood brain barrier (BBB). J147 can inhibit monoamine oxidase B (MAO B) and the dopamine transporter. J147 plays an impotant role in Alzheimer’s disease (AD).
    J147
  • HY-127109A
    Tisolagiline monomethylsulfate
    		Inhibitor
    Tisolagiline methylsulfate (KDS2010) is the selective, reversible and orally active inhibitor for MAO-B with an IC50 of 8 nM. Tisolagiline methylsulfate exhibits neuroprotective and anti-neuroinflammatory activities.
    Tisolagiline monomethylsulfate
  • HY-120826
    A2AAR/hMAO-B-IN-1
    		Inhibitor ≥99.0%
    A2AAR/hMAO-B-IN-1 (compoudn 17) is a non-xanthine dual-target inhibitor targeting the A2A adenosine receptor (A2AAR) (IC50: 34.9 nM) andMAO-B (Ki: 39.5 nM, human). A2AAR/hMAO-B-IN-1 inhibits A2AAR-induced cAMP accumulation and exhibits competitive, reversible inhibition of MAO-B. A2AAR/hMAO-B-IN-1 can be used in the study of neurodegenerative diseases such as Parkinson's disease (PD).
    A2AAR/hMAO-B-IN-1
  • HY-D0004
    Azure B
    		Inhibitor 98.13%
    Azure B is a cationic dye and the major metabolite of Methylene blue. Azure B is used in making Azure eosin stains for blood smear staining. Azure B is a high-potency, selective and reversible inhibitor of monoamine oxidases (MAO)-A, with IC50s of 11 and 968 nM for recombinant human MAO-A and MAO-B, respectively. Azure B possesses significant antidepressant-like effects.
    Azure B
  • HY-14203
    (R)-Safinamide
    		Inhibitor 99.89%
    (R)-Safinamide, the enantiomer of safinamide (HY-70057), can inhibit MAO-B with an IC50 value of 0.45 μM.
    (R)-Safinamide
  • HY-151498
    PXS-4787
    		Inhibitor
    PXS-4787 is a specific and effective pan-LOX (lysyl oxidase) inhibitor for abolishing lysyl oxidase activity. PXS-4787 inhibits LOX with IC50s of 2 μM (Bovine LOX), 3.2 μM (rh LOXL1), 0.6 μM (rh LOXL2), 1.4 μM (rh LOXL3), 0.2 μM (rh LOXL4), respectively.
    PXS-4787
  • HY-121072
    ASS234
    		Inhibitor 99.6%
    ASS234 is a potent monoamino oxidase (MAO) inhibitor with IC50s of 5.2 nM and 43 nM for MAO-A and MAO-B, respectively. ASS234 also inhibits AChE and BuChE with IC50s of 350 nM and 460 nM, respectively.
    ASS234
  • HY-N0126R
    Xanthone (Standard)
    		Inhibitor
    Xanthone (Standard) is the analytical standard of Xanthone (HY-N0126). This product is intended for research and analytical applications. Xanthone is a monoamine oxidase A (MAO-A) inhibitor with an IC50 of 0.84 µM. Xanthon inhibits Norepinephrine (HY-13715) and high-K+-induced vasoconstriction with IC50 values of 60.26 μM and 82.9 μM, respectively. Xanthon increases intracellular cyclic adenosine 3′,5′-monophosphate (cAMP) content and blocks Ca2+ channels. Xanthone is the scaffold of several pharmacologically active compounds.
    Xanthone (Standard)
  • HY-13339
    Brofaromine
    		Inhibitor 99.60%
    Brofaromine (CGP 11305A) is a monoamine oxidase (MAO) inhibitor with IC50 of 0.2 μM for MAO-A.
    Brofaromine
  • HY-101578
    2614W94
    		Inhibitor 99.76%
    2614W94 is a selective, reversible and orally active monoamine oxidase-A (MAO-A) inhibitor with an IC50 of 5 nM and a Ki of 1.6 nM. 2614W94 shows no significant inhibition of MAO-B. 2614W94 has antidepressant and anxiolytic effects.
    2614W94
  • HY-W224327
    Pheniprazine
    		Inhibitor
    Pheniprazine is a potent and long acting inhibitor of monoamine oxidase. Pheniprazine has the potential for the research of depression.
    Pheniprazine
  • HY-W224327A
    Pheniprazine hydrochloride
    		Inhibitor 98.08%
    Pheniprazine hydrochloride is a potent and long acting inhibitor of monoamine oxidase. Pheniprazine has the potential for the research of depression.
    Pheniprazine hydrochloride
  • HY-N1965
    Gaultherin
    		Inhibitor 99.44%
    Gaultherin is an orally active non-steroidal anti-inflammatory agent. Gaultherin selectively inhibits NF-κB, MAPK, COX-2 (IC50 = 0.35 mg/mL), LOX (IC50 = 0.56 mg/mL) and HYAL (IC50 = 28.58 μg/mL) to exert anti-inflammatory, antipyretic and analgesic effects. Gaultherin exhibits modest direct antioxidant capacity, greater in cell-based models. Gaultherin does not affect COX-1 so that avoids the common gastrointestinal side effects of Aspirin (HY-14654).
    Gaultherin
  • HY-17447AG
    Tranylcypromine hydrochloride (GMP)
    		Inhibitor
    Tranylcypromine (SKF 385) hydrochloride (GMP) is Tranylcypromine hydrochloride (HY-17447A) produced by using GMP guidelines. GMP small molecules work appropriately as an auxiliary reagent for cell therapy manufacture. Tranylcypromine hydrochloride is a potent monoamine oxidase (MAO) inhibitor.
    Tranylcypromine hydrochloride (GMP)
Cat. No. Product Name / Synonyms Application Reactivity
Monoamine Oxidase Isoform Comparison

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