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-164099
    LSD1/HDAC6-IN-2
    		Inhibitor 99.66%
    LSD1/HDAC6-IN-2 (JBI-802) is an orally active LSD1/HDAC6/MAO-A inhibitor, with IC50 values of 5 nM, 11 nM, and 5 nM, respectively. LSD1/HDAC6-IN-2 can inhibit the growth of multiple myeloma cells MM.1S, MM.1R, and RPMI-8226. LSD1/HDAC6-IN-2 can be used for research on diseases such as acute myeloid leukemia and lymphoma.
    LSD1/HDAC6-IN-2
  • HY-13779
    (E/Z)-J147
    		Inhibitor 99.54%
    (E/Z)-J147 is an exceptionally potent, orally active, neuroprotective agent for cognitive enhancement. (E/Z)-J147 can readily pass the blood brain barrier (BBB). (E/Z)-J147 can inhibit monoamine oxidase B (MAO B) and the dopamine transporter with EC50 values of 1.88 μM and 0.649 μM, respectively. (E/Z)-J147 has potential for the study of Alzheimer’s disease (AD).
    (E/Z)-J147
  • HY-B0886A
    Iproniazid
    		Inhibitor 99.91%
    Iproniazid is an orally active, irreversible, non-selective monoamine oxidase (MAO) inhibitor. Iproniazid inhibits MAO activity and enhances Rotenone (HY-B1756)-induced Apoptosis. Iproniazid modulates neurotransmitter levels, affects neuronal function, induces hepatic necrosis, and interferes with the endocrine system. Iproniazid can be used in the research of depression, Parkinson's disease, and hepatotoxicity.
    Iproniazid
  • HY-D0958
    Methylene blue hydrate
    		Inhibitor
    Methylene blue (Basic Blue 9) hydrate is a guanylyl cyclase (sGC), monoamine oxidase A (MAO-A) and NO synthase (NOS) inhibitor. Methylene blue is a vasopressor and is often used as a dye in several medical procedures. Methylene blue hydrate through the nitric oxide syntase/guanylate cyclase signalling pathway to reduce prepulse inhibition. Methylene blue hydrate is a REDOX cycling compound and able to cross the blood-brain barrier. Methylene blue hydrate is a Tau aggregation inhibitor. Methylene blue hydrate reduces cerebral edema, attenuated microglial activation and reduced neuroinflammation.
    Methylene blue hydrate
  • HY-19333
    OG-L002
    		Inhibitor 99.55%
    OG-L002 is a potent and highly selective LSD1 inhibitor with an IC50 of 0.02 μM. OG-L002 is a potent monoamine oxidases (MAO) inhibitor with IC50s of 1.38 μM and 0.72 μM for MAO-A and MAO-B, respectively. OG-L002 potently inhibits the expression of HSV IE genes.
    OG-L002
  • HY-149597
    Lysyl hydroxylase 2-IN-1
    		Inhibitor 99.76%
    Lysyl hydroxylase 2-IN-1 (compound 12) is a selective lysyl hydroxylase 2 (LH2) Inhibitor with an IC50 of ~300 nM. Lysyl hydroxylase 2-IN-1 demonstrates selectivity for LH2 over LH1 and LH3.
    Lysyl hydroxylase 2-IN-1
  • HY-127109
    Tisolagiline
    		Inhibitor 99.85%
    Tisolagiline (KDS2010) is the selective, reversible and orally active inhibitor for MAO-B with an IC50 of 8 nM. Tisolagiline exhibits neuroprotective and anti-neuroinflammatory activities.
    Tisolagiline
  • HY-B1111
    Amitraz
    		Inhibitor 98.75%
    Amitraz is a non-systemic acaricide and insecticide with alpha-adrenergic agonist activity that interacts with octopamine receptors in the central nervous system and inhibits monoamine oxidase and prostaglandin synthesis.
    Amitraz
  • HY-N0529R
    Rosmarinic acid (Standard)
    		Inhibitor
    Rosmarinic acid (Standard) is the analytical standard of Rosmarinic acid. This product is intended for research and analytical applications. Rosmarinic acid is a widespread phenolic ester compound in the plants. Rosmarinic acid inhibits MAO-A, MAO-B and COMT enzymes with IC50s of 50.1, 184.6 and 26.7 μM, respectively.
    Rosmarinic acid (Standard)
  • HY-N0554
    Escin IA
    		Inhibitor 99.59%
    Escin IA is an oral LOXL2 inhibitor and EMT inhibitor, with selectivity for LOXL2-expressing cells. Escin IA suppresses invasion, migration, and metastasis of breast cancer cells, and acts as the primary anti-TNBC metastasis constituent of Aesculus chinensis Bunge fruit saponin fraction. Escin IA can be used for the research of triple-negative breast cancer, acute inflammation, and ethanol-induced gastric mucosal lesions.
    Escin IA
  • HY-B1440
    Ethaverine hydrochloride
    		Inhibitor 99.72%
    Ethaverine hydrochloride, a derivative of papaverine, inhibits cardiac L-type calcium channel. Ethaverine hydrochloride is a peripheral vasodilator and antispasmodic agent. Ethaverine hydrochloride can be used for research of peripheral vascular disease.
    Ethaverine hydrochloride
  • HY-N0918
    Desmethoxyyangonin
    		Inhibitor 99.00%
    Desmethoxyyangonin is one of the six major kavalactones found in the Piper methysticum (kava) plant. Desmethoxyyangonin is a selective inhibitor of monoamine oxidase-B (MAO-B) (IC50: 0.123  µM). Desmethoxyyangonin exerts anti-inflammatory effects by inhibiting Jak2/STAT3 and IKK signaling pathways. Desmethoxyyangonin induces CYP3A23 expression and leads to skeletal muscle relaxation.
    Desmethoxyyangonin
  • HY-151499A
    PXS-6302 hydrochloride
    		Inhibitor 99.57%
    PXS-6302 hydrochloride 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 hydrochloride has readily skin penetrability, reduces collagen deposition and significantly improves scar appearance.
    PXS-6302 hydrochloride
  • HY-124591
    TC-2153
    		Inhibitor 98.19%
    TC-2153 is a selective inhibitor of striatal-enriched protein tyrosine phosphatase (STEP), with psychotropic activity and low acute toxicity. TC-2153 increases the expression of brain-derived neurotropic factor (BDNF) in the brain. And it decreases MAOA and 5-HT1A receptors mRNA level in midbrain. TC-2153 also inhibits 5-HT2A receptor-mediated signaling.
    TC-2153
  • HY-N6057
    Obtusin
    		Inhibitor 99.10%
    Obtusin, isolated from Cassia obtusifolia Linn seed, is a highly selective and competitive human monoamine oxidase-A (hMAO-A) inhibitor with an IC50 of 11.12 μM and a Ki of 6.15 μM. Obtusin plays a preventive role in neurodegenerative diseases, especially anxiety and depression.
    Obtusin
  • HY-N12485
    MAO-A inhibitor 1
    		Inhibitor 98.55%
    MAO-A inhibitor 1 (compound VIII) is a MAO-A inhibitor, with an IC50 of 100 μM.
    MAO-A inhibitor 1
  • HY-N9540
    Methyl citrate
    		Inhibitor 98.0%
    Methyl citrate is a Monoamine oxidase B (MAO-B) inhibitor (IC50=0.23 mM). Methyl citrate is isolated from the fruits of Opuntia ficus-indica var. saboten Makino.
    Methyl citrate
  • HY-151498A
    PXS-4787 hydrochloride
    		Inhibitor 99.71%
    PXS-4787 hydrochloride is a specific and effective pan-LOX (lysyl oxidase) inhibitor for abolishing lysyl oxidase activity. PXS-4787 hydrochloride 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 hydrochloride reduces deposition and crosslinking of collagen I secreted by human fibroblasts.
    PXS-4787 hydrochloride
  • HY-16677A
    Mofegiline hydrochloride
    		Inhibitor 99.57%
    Mofegiline hydrochloride (MDL72974A) is an orally active and selective enzyme-activated irreversible inhibitor of MAO-B, with marked selectivity on the MAO-B over MAO-A with IC50s of 3.6 nM (MAO-B) and 680 nM (MAO-A), respectively. Mofegiline hydrochloride is also an inhibitor of semicarbazide-sensitive amine oxidase (SSAO).
    Mofegiline hydrochloride
  • HY-119395B
    Kynuramine dihydrochloride
    		Chemical 99.81%
    Kynuramine, an endogenously occurring amine, is a fluorescent substrate and probe of plasma amine oxidase.
    Kynuramine dihydrochloride
Cat. No. Product Name / Synonyms Application Reactivity
Monoamine Oxidase Isoform Comparison

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