NO Synthase Inhibitor

Paroxetine (BRL29060) hydrochloride is an orally active and selective serotonin reuptake inhibitor (SSRI) and apoptosis inducer with blood-brain barrier permeability. Paroxetine hydrochloride inhibits nitric oxide synthase and CYP2D6, induces desensitization of 5-HT1A/1B/1D autoreceptors, downregulates 5-HT2 receptors, and promotes the production of inflammatory cytokines. Paroxetine hydrochloride is a weak norepinephrine (NE) uptake inhibitor and possesses antitumor activity. Paroxetine hydrochloride is widely used in research concerning depression, obsessive-compulsive disorder, panic disorder, social phobia, generalized anxiety disorder, post-traumatic stress disorder, premenstrual dysphoric disorder, hot flashes, and related conditions.

Isoacteoside is a natural product that can significantly inhibit the formation of glycation end products. Isoacteoside regulates the AKT/PI3K/m-TOR/NF-κB signaling pathway, induces apoptosis in OVCAR-3 cell. Isoacteoside exhibits antitumor, anti-inflammatory, anti-obesity and neuroprotective activities.

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.

HSA Protein (Cell culture grade, Endotoxin<0.125 EU/mg) (Human serum albumin (Cell culture grade, Endotoxin<0.125 EU/mg)) is the most abundant protein in plasma and is a major determinant of plasma oncotic pressure. HSA Protein (Cell culture grade, Endotoxin<0.125 EU/mg) exhibits antioxidant, anticoagulant, anti-inflammatory, anti-platelet aggregation activities as well as colloid osmotic action. HSA Protein (Cell culture grade, Endotoxin<0.125 EU/mg) can block the inhibitory effect of GML on human T cells, providing protective function for T cells. HSA Protein (Cell culture grade, Endotoxin<0.125 EU/mg) is also associated with cardiovascular diseases and can partially prevent the LPS (HY-D1056) induced oxidative stress, as well as the upregulation of NF-κB, iNOS, and peroxynitrite (ONOO^-) in the vascular wall, contributing to the reduction of blood pressure. HSA Protein (Cell culture grade, Endotoxin<0.125 EU/mg) can be used for in vitro cell culture.
This product is human serum albumin recombinantly expressed in an Escherichia coli expression system.

Asymmetric dimethylarginine is an endogenous inhibitor of nitric oxide synthase (NOS), and functions as a marker of endothelial dysfunction in a number of pathological states.

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.

Hydralazine hydrochloride is an orally active, blood-brain barrier-permeable DNA methyltransferase inhibitor with vasodilatory, arterial smooth muscle relaxant and hypotensive activities. Hydralazine hydrochloride reactivates silenced tumor suppressor genes via mediating DNA demethylation, while exerting neuroprotective and anti-inflammatory properties. Hydralazine hydrochloride inhibits NOS-2 (iNOS) and COX-2, and reduces the production of NO and PGE_E2; meanwhile, Hydralazine hydrochloride scavenges reactive oxygen species and inhibits macrophage activation. Hydralazine hydrochloride alleviates motor dysfunction, neuropathic inflammatory pain, and formalin-induced somatic and emotional pain responses. In addition, Hydralazine hydrochloride directly induces DNA strand breaks and sister chromatid exchange, exhibiting certain mutagenic characteristics. Hydralazine hydrochloride has been widely used in studies on hypertension, various cancers (such as cervical cancer, leukemia), spinal cord injury and the mechanisms of inflammatory pain.

2,4-Diamino-6-hydroxypyrimidine is a specific GTP cyclohydrolase I inhibitor (the rate-limiting enzyme in de novo pterin synthesis). 2,4-Diamino-6-hydroxypyrimidine blocks Tetrahydrobiopterin (BH4) synthesis and suppresses NO production.

K284-6111 is a high-affinity and orally active CHI3L1 inhibitor, and inhibits CHI3L1 expression. K284-6111 inhibits ERK and NF-κB pathway. K284-6111 suppresses nuclear translocation of p50 and p65, and phosphorylation of IκB. K284-6111 improves memory dysfunction by alleviating amyloidogenesis and neuroinflammation, with the reduction of inflammatory proteins (eg: iNOS, COX-2, GFAP, and Iba-1). K284-6111 reduces atopic-like skin inflammation and inhibits LPS (HY-D1056) -induced liver injury. K284-6111 can be used for the study of Alzheimer's diseases and sepsis like hepatic injury.

Carboxy-PTIO potassium is a potent nitric oxide (NO) scavenger that can make a quick reaction with NO to produce NO₂. Carboxy-PTIO potassium can prevent hypotension and endotoxic shock through the direct scavenging action against NO in lipopolysaccharide-stimulated rat model.

Avanafil (TA-1790) is a potent and selective phosphodiesterase-5 (PDE-5) inhibitor with IC₅₀ values of 5.2 nM, 630 nM, 5700 nM, 6200 nM, 12000 nM, 27000 nM, 51000 nM and 53000 nM for PDE-5, PDE-6, PDE-4, PDE-10, PDE-8, PDE-7, PDE-2 and PDE-1, respectively. Avanafil activates NO/cGMP/PKG signaling-pathway to decrease loss in BMD, bone atrophy, and oxidative stress. Avanafil inhibits cyclic guanosine monophosphate (cGMP) hydrolysis and thus increases cGMP levels. Avanafil can be used for the research of erectile dysfunction and osteoporosis.

Benzoylaconine (Benzoylaconitine) is an orally active monoester alkaloid found in the traditional Chinese medicine Aconitum carmichaelii. Benzoylaconine is an ACE2 agonist (EC₅₀: 1.5 μM) with antihypertensive and anti-heart failure effects. Benzoylaconine inhibits TLR-induced MAPK and NF-κB pathways to exert anti-inflammatory effects. Benzoylaconine upregulates the protein levels of P-gp, MRP2, and has anti-tumor effects.

Sappanone A is an orally active homoisoflavone found in sappan L. Sappanone A is a PDE4 and NF-κB inhibitor with anti-inflammatory and antioxidant effect. Sappanone A induces HO-1 expression through activation of Nrf2 pathway. Sappanone A also inhibits RANKL-induced osteoclastogenesis. Sappanone A has great potential in the research of inflammation-related and cardiovascular .

L-NIL is an inducible NO synthase inhibitor, with an IC₅₀ of 3.3 μM for miNOS.

Naringenin chalcone is an orally active intermediate in flavonol biosynthesis. Naringenin chalcone induces Apoptosis. Naringenin chalcone inhibits the production of MCP-1 and NO. Naringenin chalcone exhibits anticancer activity against glioblastoma. Naringenin chalcone has anti-inflammatory and anti-allergic properties.

Dehydrocostus Lactone ((-)-Dehydrocostus lactone) is a natural sesquiterpene that can be isolated from Saussurea lappa. Dehydrocostus Lactone has multiple activities such as anti-inflammatory, antibacterial, anti-tumor, and immunomodulatory effects. Dehydrocostus Lactone has an MIC of 2 µg/mL against Mycobacterium tuberculosis. Dehydrocostus Lactone can also inhibit the killing activity of cytotoxic T lymphocytes and induce apoptosis in tumor cells.

Madecassic acid is isolated from Centella asiatica (Umbelliferae). Madecassic acid has anti-inflammatory properties caused by iNOS, COX-2, TNF-alpha, IL-1beta, and IL-6 inhibition via the downregulation of NF-κB activation in RAW 264.7 macrophage cells.

PTIO is a specific scavenger of NO and redox mediator. PTIO reacts with •NO to form the corresponding imino nitroxides and ^•NO₂. PTIO enhances organic contaminants oxidation by permanganate.

7-Ethoxyresorufin (Resorufin ethyl ether) is a fluorometric substrate and competitive inhibitor of cytochrome P450, especially CYP1A1. 7-Ethoxyresorufin also inhibits NO synthase.

Methylene blue trihydrate (C.I. Basic Blue 9 trihydrate) is a guanylyl cyclase (sGC), monoamine oxidase A (MAO-A) and NO synthase (NOS) inhibitor. Methylene blue trihydrate is a vasopressor and is often used as a dye in several medical procedures. Methylene blue trihydrate has antinociception, antimalarial, antidepressant and anxiolytic activity effects. Methylene Blue trihydrate has the potential for methemoglobinemias, neurodegenerative disorders and ifosfamide-induced encephalopathytreatment.