MAHMA NONOate is a NO donor. MAHMA NONOate effectively inhibits platelet aggregation induced by either collagen or ADP[1].
Isosorbide dinitrate (ISDN) is an NO donor that prevents LV remodeling and degradation of cardiac function following myocardial infarction (MI)[1].
trans-Isoferulic acid-d3 is the deuterium labeled trans-Isoferulic acid[1]. 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[2].trans-isoferulic acid suppresses NO and PGE2 production through the induction of Nrf2-dependent heme oxygenase-1 (HO-1)[3].
7-Ethoxyresorufin (Resorufin ethyl ether) is a fluorometric substrate for and competitive inhibitor of cytochrome P450, especially CYP1A1. 7-Ethoxyresorufin also inhibits NO synthase[1][2].
Lucidone, an anti-inflammatory agent that can be isolated from the fruit of Lindera erythrocarpa Makino. Lucidone inhibits LPS-induced NO and PGE2 production in RAW 264.7 mouse macrophages. Lucidone also decreases TNF-α secretion, iNOS and COX-2 expression. Lucidone prevents NF-κB translocation and inhibits JNK and p38MAPK signals. Lucidone also has inhibitory activity against Dengue virus (DENV) (EC50=25 μM)[1][2].
Nω-allyl-L-arginine is a competitive and reversible inhibitor of bovine brain nitric oxide synthase (nNOS). Nω-allyl-L-arginine can inactivate nNOS in a time-dependent manner. Nω-allyl-L-arginine also is a substrate, producing L-arginine, acrolein, and H2O[1][2].
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[1].
1,4-PBIT (1,4-PB-ITU) dihydrobromide (compound 46) is a potent nitric oxide synthases (NOS) inhibitor, with Ki values of 7.6 nM, 360 nM, and 16 nM for the inducible (iNOS), endothelial (eNOS), and neuronal (nNOS) isozymes, respectively[1].
Anti-inflammatory agent 54 (compound 9c) is a derivative of Coixol and has anti-inflammatory activity. Anti-inflammatory agent 54 inhibits the NF-κB pathway and downregulates the expression of iNOS, TNF-α, IL-6 and IL-1β. Anti-inflammatory agent 54 inhibits LPS-induced nitric oxide (NO) production in RAW264.7 macrophages (IC50: 2.4 μM) and exerts in vivo anti-inflammatory activity in a mouse auricular edema model[1].
Neocryptotanshinone, a fatty diterpenoids from Salvia Miltiorrhiza, inhibits lipopolysaccharide-induced inflammation by suppression of NF-κB and iNOS signaling pathways[1][2].
(+)-14-Deoxy-ε-caesalpin (14-Deoxy-ε-caesalpin), a cassane diterpenoid, inhibits nitric oxide (NO) production release of RAW 264.7 cells stimulated by Lipopolysaccharide (LPS)[1].
Tat-NR2BAA is the control peptide of Tat-NR2B9c (HY-P0117), inactive. The sequence of Tat-NR2BAA is similar to Tat-NR2B9c, but it has a double-point mutation in the COOH terminal tSXV motif, making it incapable of binding PSD-95. Tat-NR2B9c is a membrane-permeant peptide and disrupts PSD-95/NMDAR binding, correlate with uncoupling NR2B- and/or NR2A-type NMDARs from PSD-95[1][2].
L-NABE is a nitric oxide (NO) synthase inhibitor. L-NABE is also a potent endothelium dependent vasoconstrictor and inhibitor of relaxation[1][2].
Inflexuside A, an abietane diterpenoid, can be isolated from the aerial parts of Isodon inflexus. Inflexuside B strongly inhibits lipopolysaccharide (LPS)-activated NO production (NO Synthase) in RAW264.7 macrophages[1].
Anti-inflammatory agent 21 (compound 9o) is an orally active and low cytotoxic anti-inflammatory agent, with an IC50 value of 0.76 μM for NO. Anti-inflammatory agent 21 acts via accumulation ROS and blocks the NF-κB/MAPK signaling pathway. Anti-inflammatory agent 21 can ameliorate cartilage destruction and inflammatory cell infiltration in arthritis rats model[1].
Nω-Propyl-L-arginine (N-omega-Propyl-L-arginine) is a potent, competitive, and highly selective inhibitor of neuronal nitric oxide synthase (nNOS), with a Ki of 57 nM. Nω-Propyl-L-arginine displays a 149-fold selectivity for nNOS over endothelial NOS (eNOS)[1][2].
Tetrahydrobiopterin is a cofactor of the aromatic amino acid hydroxylases enzymes and also acts as an essential cofactor for all nitric oxide synthase (NOS) isoforms.
Juncutol is a potent inducible nitric oxide synthase (iNOS) inhibitor. Juncutol decreases the LPS (HY-D1056)-stimulated iNOS protein expression[1].
L-Arginine-13C ((S)-(+)-Arginine-13C) hydrochloride is the 13C-labeled L-Arginine hydrochloride. L-Arginine hydrochloride ((S)-(+)-Arginine hydrochloride) is the nitrogen donor for synthesis of nitric oxide, a potent vasodilator that is deficient during times of sickle cell crisis.
Isolupalbigenin is an inhibitor of NO. Isolupalbigenin has anti-proliferative activity on HL-60 cells with an IC50 of 5.1 μM[1].
Dehydroevodiamine is a major bioactive quinazoline alkaloid isolated from Evodiae Fructus, has an antiarrhythmic effect in guinea-pig ventricular myocytes[1]. Dehydroevodiamine inhibits LPS-induced iNOS, COX-2, prostaglandin E2 (PGE2) and nuclear factor-kappa B (NF-κB) expression in murine macrophage cells[2].
Carboxy-PTIO potassium is a potent nitric oxide (NO) inhibitor that can make a quick reaction with NO to produce NO2. Carboxy-PTIO can prevent hypotension and endotoxic shock through the direct scavenging action against NO in lipopolysaccharide-stimulated rat model[1][2][3].
Canophyllal is a triterpene that can be isolated from the leaves of Elsholtzia ciliata. Canophyllal weakly inhibits the production of NO[1].
Ginsenoside C-K, a bacterial metabolite of G-Rb1, exhibits anti-inflammatory effects by reducing iNOS and COX-2. Ginsenoside C-K exhibits an inhibition against the activity of CYP2C9 and CYP2A6 in human liver microsomes with IC50s of 32.0±3.6 μM and 63.6±4.2 μM, respectively.
Anti-inflammatory agent 46 (compound 7h) is an anti-inflammatory agent with nitric oxide (NO) inhibitory effect. Anti-inflammatory agent 46 binds to iNOS with low energies, inhibits swelling in mice (at dose of 10 mg/kg)[1].
L-NIL hydrochloride is an inducible NO synthase inhibitor, with an IC50 of 3.3 μM for miNOS[1][2][3].
Quercetin-3-glucoside is a naturally occurring polyphenol that has antioxidant, anti-proliferative, and anti-inflammatory properties.Quercetin-3-glucoside alleviates ethanol-induced hepatotoxicity, oxidative stress, and inflammatory responses via the Nrf2/ARE antioxidant signaling pathway[1].Quercetin-3-glucoside regulates the expression of nitric oxide synthase 2 (NO2) via modulating the nuclear factor-κB (NF-κB) transcription regulation system. Quercetin-3-glucoside has high bioavailability and low toxicity, is a promising candidate agent to prevent birth defects in diabetic pregnancies[2].
L-NIL is a potent and selective inhibitor of inducible NO synthase with IC50s of 3.3 and 92 μM for mouse inducible NO synthase and rat brain constitutive NO synthase, respectively.
Ethyl 3,4-dihydroxybenzoate (Ethyl protocatechuate), an antioxidant, is a prolyl-hydroxylase inhibitor found in the testa of peanut seeds. Ethyl 3,4-dihydroxybenzoate protects myocardium by activating NO synthase and generating mitochondrial ROS. Ethyl 3,4-dihydroxybenzoate induces cell autophagy and apoptosis in ESCC cells. Ethyl 3,4-dihydroxybenzoate is a collagen synthesis inhibitor and has a bone protecting-effect[1][2][3][4].
Inflexuside B, an abietane diterpenoid, can be isolated from the aerial parts of Isodon inflexus. Inflexuside B strongly inhibits lipopolysaccharide (LPS)-activated NO Synthase in RAW264.7 macrophages[1].