D-NAME (D-NG-nitroarginine methyl ester) hydrochloride is a potent nitric oxide synthase (NOS) inhibitor. D-NAME hydrochloride inhibits the activity of NOS, reducing the production of nitric oxide[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].
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].
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].
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].
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].
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].
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].
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].
Dimeric coniferyl acetate is a NO production inhibitor with an IC50 value 7.9 μM in BV-2 microglial cells[1].
Ermanin is a flavonoid isolated from Tanacetum microphyllum. Ermanin potently inhibits iNOS, COX-2 activities, and inhibits platelet aggregation. Ermanin has anti-inflammatory, anti-tuberculous and anti-viral/bacterial properties[1][2].
AR-C102222 hydrochloride is a potent, competitive, orally active and highly selective inducible nitric oxide synthase (iNOS) inhibitor, with an IC50 of 37 nM[1]. AR-C102222 hydrochloride has antinociception and anti-inflammatory activities[2].
Rehmapicrogenin, isolated from the root of Rehmannia glutinosa, exhibits potent anti-inflammatory effect by inhibiting iNOS, COX-2 and IL-6[1].
GW274150 is a novel arginine-competitive, NADPH-dependent iNOS inhibitor that has been identified from a series of acetamide amino acids that have a high selectivity for iNOS vs both eNOS (> 260-fold) and nNOS (> 219-fold) and high bioavailability (> 90%) after oral administration.Target: iNOSin vivo: GW274150 demonstrates a narrow neuroprotective therapeutic window against the toxic actions of 6-OHDA. GW274150 administration leads to a dose-dependent decrease in the number of iNOS-positive cells in the SNc of the 6-OHDA-lesioned animals. The iNOS inhibitor GW274150 fails to produce long-term neuroprotection after its withdrawal in the 6-OHDA-lesioned rat. [1]
AMT hydrochloride is a selective inhibitor of inducible NOS (iNOS) with Ki of 4.2 nM[1].
Citroside A is a megastigmane sesquiterpenoid with cytotoxic and anti-inflammatory activities. Citroside A displays potential effects against NO production with an IC50 of 34.25 μM. Citroside A exhibits pronounced cytotoxicity against SGC-7901 and HeLa cells with IC50 values of 27.52 μM and 29.51 μM, respectively[1].
19-[(β-D-Glucopyranosyl)oxy]-19-oxo-ent-labda-8(17),13-dien-16,15-olide, the metabolite of Neoandrographolide, inhibits nitric oxide (NO) production in lipopolysaccharide-activated macrophages[1].
(6E)-1,7-Bis(4-hydroxyphenyl)-6-hepten-3-one (compound7) is a nature product isolated from rhizomes of Curcuma kwangsiensis. (6E)-1,7-Bis(4-hydroxyphenyl)-6-hepten-3-one has inhibitory effect on NO production induced by LPS in macrophages with an IC50 value of 8.93 μM[1].
iNOS-IN-2 (Compound 53) is a potent down-regulator of inducible nitric oxide synthase (iNOS) protein. iNOS-IN-2 effectively inhibits the NO production (IC50=6.4 μM). iNOS-IN-2 has a potential therapeutic effect on chronic inflammation[1].
YM-1 is a stable and soluble MKT-077 (HY-15096) analog and an orally active Hsp70 inhibitor. YM-1 induces cell death of HeLa cells and up-regulates the level of p53 and p21 proteins[1][2].
Physalin O is a physalin that can be isolated from Physalis angulata. Physalin O shows cytotoxicity to Hep G2 and MCF-7 cancer cells with IC50 values of 31.1 and 11.4 µM, respectively. Physalin O inhibits the production of nitric oxide (NO) and shows anti-inflammatory activities[1][2].
Heterophdoid A (Compound 1) is an anti-inflammatory agent. Heterophdoid A inhibits NO production with an IC50 of 5.93 μM in BV-2 cells[1].