2. Signaling Pathways
  3. Immunology/Inflammation
  4. NO Synthase

NO Synthase

Nitric oxide synthases; NOS

NO Synthase

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Nitric oxide synthases (NOSs) are a family of enzymes catalyzing the production of nitric oxide (NO) from L-arginine. NO synthases catalyze the oxidation of L-arginine to NO and L-citrulline. Mammals contain three NOS isoforms: neuronal NOS (nNOS), inducible NOS (iNOS), and endothelial NOS (eNOS). NO produced from these different NOS isoforms is involved in a wide range of physiologic functions in the nervous, immune, and cardiovascular systems. Unregulated NO production can lead to pathologic conditions such as stroke, inflammation, and hypertension. Therefore, the control of NOS activity by isoform selective NOS inhibitors has great potential for therapeutic treatments of NO-related diseases.

NO Synthase Isoform Specific Products:

NO Synthase Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-N13138
    Angulasaponin B
    		Inhibitor
    Angulasaponin B, a natural product, can be obtained from Vigna angularis. Angulasaponin B inhibits nitric oxide production in LPS-activated RAW264.7 macrophages with IC50 values ​​ranging from 13 μM to 24 μM.
    Angulasaponin B
  • HY-N10217
    Paneolilludinic acid
    Paneolilludinic acid is a compound isolated from an endolichenic fungus Cryptomarasmius aucubae. Paneolilludinic acid significantly inhibits nitric oxide (NO) production.
    Paneolilludinic acid
  • HY-B0905S
    Tilmicosin-d3
    		Inhibitor
    Tilmicosin-d3 is the deuterium labeled Tilmicosin. Tilmicosin (LY-177370) is an orally active calcium channel antagonist and macrolide antibiotic with antimicrobial activity. Tilmicosin mainly acts on the 50S subunit of bacterial ribosomes, inhibiting protein synthesis. Tilmicosin is effective in the treatment of respiratory diseases in livestock such as cattle, sheep and pigs. In addition, Tilmicosin has immunomodulatory and anti-inflammatory effects.
    Tilmicosin-d<sub>3</sub>
  • HY-113216R
    Asymmetric dimethylarginine (Standard)
    		Inhibitor
    Hesperetin (Standard) is the analytical standard of Hesperetin. This product is intended for research and analytical applications. Hesperetin is a natural flavanone, and acts as a potent and broad-spectrum inhibitor against human UGT activity. Hesperetin regulates apoptosis.
    Asymmetric dimethylarginine (Standard)
  • HY-13571AR
    Beclometasone dipropionate (Standard)
    		Inhibitor
    Beclometasone dipropionate (Standard) is the analytical standard of Beclometasone dipropionate. This product is intended for research and analytical applications. Beclometasone dipropionate, the proagent of Beclometasone, is an orally active and potent glucocorticoid recepter agonist. Beclometasone dipropionate acts via a glucocorticoid receptor and suppresses inflammation and hyperproliferation. Beclometasone dipropionate can be used for asthma .
    Beclometasone dipropionate (Standard)
  • HY-N9891
    12-Dehydrogingerdione
    		Inhibitor
    12-Dehydrogingerdione is an inhibitor of NO Synthase. 12-Dehydrogingerdione signi?cantly inhibits LPS-stimulated production of NO, IL-6 and PGE2 in Raw 264.7 cells.
    12-Dehydrogingerdione
  • HY-D0958R
    Methylene blue hydrate (Standard)
    		Inhibitor
    Methylene blue (hydrate) (Standard) is the analytical standard of Methylene blue (hydrate). This product is intended for research and analytical applications. 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 (Standard)
  • HY-108054A
    Cindunistat ((hydrochloride) maleate)
    		Inhibitor
    Cindunistat hydrochloride maleate is a potent, orally active and selective iNOS inhibitor.
    Cindunistat ((hydrochloride) maleate)
  • HY-159564
    iNOS/COX-2-IN-3
    		Inhibitor
    iNOS/COX-2-IN-3 (compound 7d) is a dual inhibitor of iNOS and COX-2, with potential anti-inflammatory activity against LPS (HY-D1056)-induced RAW 264.7 cells (IC50=3.48 μM). iNOS/COX-2-IN-3 has good plasma stability, oral activity and gastric safety, and its inhibitory activity on iNOS and COX-2 expression is 5.43-fold and 2.37-fold that of Indomethacin (HY-14397), respectively.
    iNOS/COX-2-IN-3
  • HY-N15506
    Cycloneroside E
    		Inhibitor
    Cycloneroside E is a sesquiterpene aminoglycoside compound discovered from Trichoderma sp. SCSIOW21. Cycloneroside E has the activity of inhibiting the production of NO. In macrophage RAW 264.7 cells, its IC50 value for inhibiting the production of NO is 48.0 µM. Cycloneroside E can be used in the research of the anti-inflammatory field.
    Cycloneroside E
  • HY-168070
    COX-2-IN-48
    		Inhibitor
    COX-2-IN-48 (5-25), a COX-2 inhibitor with an IC50 of 51.7 nM for human COX-2, exerts anti-inflammatory and analgesic effects in various rodent models by inhibiting NF-κB pathway. COX-2-IN-48 (5-25) inhibits the degradation of IκB, the phosphorylation and nuclear translocation of NF-κB p65, and the expression of COX-2 and iNOS.
    COX-2-IN-48
  • HY-N10214
    (-)-10,11-Dihydroxyfarnesol
    		Inhibitor
    (-)-10,11-Dihydroxyfarnesol is a compound isolated from an endolichenic fungus Cryptomarasmius aucubae. (–)-10,11-Dihydroxyfarnesol significantly inhibits nitric oxide (NO) production.
    (-)-10,11-Dihydroxyfarnesol
  • HY-101238S
    Agmatine-d8 sulfate
    Agmatine-d8 sulfate is a deuterium labeled Agmatine sulfate (HY-101238). Agmatine sulfate exerts modulatory action at multiple molecular targets, such as neurotransmitter systems, ion channels and nitric oxide synthesis. It is an endogenous agonist at imidazoline receptor and a NO synthase inhibitor.
    Agmatine-d<sub>8</sub> sulfate
  • HY-18100AR
    PRE-084 hydrochloride (Standard)
    		Activator
    PRE-084 (hydrochloride) (Standard) is the analytical standard of PRE-084 (hydrochloride). This product is intended for research and analytical applications. PRE-084 hydrochloride is a highly selective σ1 receptor (S1R) agonist, with an IC50 of 44 nM. PRE-084 hydrochloride exhibits good neuroprotective effects, can improve motor function and motor neuron survival in mice. PRE-084 hydrochloride also can ameliorate myocardial ischemia-reperfusion injury in rats by activating the Akt-eNOS pathway.
    PRE-084 hydrochloride (Standard)
  • HY-165027
    DL-1′-Acetoxychavicol acetate
    		Inhibitor
    DL-1′-Acetoxychavicol acetate is a compound with anti-inflammatory and anticancer preventive potential that inhibits the activities of NOX, iNOS, and COX-2 in inflammatory cells and exhibits preventive activity in multiple inflammation-related cancer models.
    DL-1′-Acetoxychavicol acetate
  • HY-N2302R
    Fucoxanthin (Standard)
    		Inhibitor
    Fucoxanthin (Standard) is the analytical standard of Fucoxanthin. This product is intended for research and analytical applications. Fucoxanthin (all-trans-Fucoxanthin) is a marine carotenoid and shows anti-obesity, anti-diabetic, anti-oxidant, anti-inflammatory and anticancer activities.
    Fucoxanthin (Standard)
  • HY-P5315
    eNOS pT495 decoy peptide
    		Activator
    eNOS pT495 decoy peptide is a specific decoy peptide to prevent T495 phosphorylation reduced eNOS uncoupling and mitochondrial redistribution. eNOS pT495 decoy peptide is used in ventilator-induced lung injury research.
    eNOS pT495 decoy peptide
  • HY-N10213
    Septeremophilane E
    Septeremophilane E is a compound isolated from fungus Septoria rudbeckiae, a plant pathogenic fungus isolated from the halophyte Karelinia caspia. Septeremophilane E significantly inhibits the production of nitric oxide (NO).
    Septeremophilane E
  • HY-133098
    Juncutol
    		Inhibitor
    Juncutol is a potent inducible nitric oxide synthase (iNOS) inhibitor. Juncutol decreases the LPS (HY-D1056)-stimulated iNOS protein expression.
    Juncutol
  • HY-N0761AS
    trans-Isoferulic acid-d3
    trans-Isoferulic acid-d3 is the deuterium labeled trans-Isoferulic acid. trans-Isoferulic acid (trans-3-Hydroxy-4-methoxycinnamic acid) is an aromatic acid isolated from the roots of Clematis florida var. plena. trans-Isoferulic acid exhibits anti-inflammatory activity.trans-isoferulic acid suppresses NO and PGE2 production through the induction of Nrf2-dependent heme oxygenase-1 (HO-1).
    trans-Isoferulic acid-d<sub>3</sub>
Cat. No. Product Name / Synonyms Application Reactivity
NO Synthase Isoform Comparison

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