NO Synthase Activator

L-Arginine (Standard) is the analytical standard of L-Arginine. This product is intended for research and analytical applications. L-Arginine ((S)-(+)-Arginine) is the substrate for the endothelial nitric oxide synthase (eNOS) to generate NO. L-Arginine is transported into vascular smooth muscle cells by the cationic amino acid transporter family of proteins where it is metabolized to nitric oxide (NO), polyamines, or L-proline. L-Arginine is a potent vasodilator, and can be used to induce experimental acute pancreatitis.

Pam2CSK4 TFA is a TLR2 agonist. Pam2CSK4 TFA induces the expression of iNOS and NO in macrophage cell lines via TBK1 and MyD88 molecules. Pam2CSK4 TFA activates the NF-κB and Bruton's tyrosine kinase signaling pathways in platelets, and promotes platelet-endothelial cell interactions. TLR2 activation triggered by Pam2CSK4 TFA expands myeloid-derived suppressor cells (MDSCs) and suppresses anti-tumor immune responses in the tumor microenvironment. Pam2CSK4 TFA acts as a Th2-polarizing adjuvant in mouse vaccine models against Leishmania major and Brugia malayi. Pam2CSK4 TFA can be used in the research of various diseases, including thromboinflammatory diseases, sepsis, atherosclerosis, heart failure, influenza, lymphoma, melanoma, cutaneous leishmaniasis and lymphatic filariasis.

Goji Extract is a natural product with anti-aging, antioxidant, and neuroprotective effects. The antioxidant effect of Goji Extract has a positive impact on erectile dysfunction and can be used in research to improve erectile function.

Ethyl 3,4-dihydroxybenzoate (Protocatechuic acid ethyl ester) is an orally effective, blood-brain barrier-permeable, competitive prolyl hydroxylase (PHD) inhibitor that inhibits the hydroxylation modification of hypoxia-inducible factor (HIF) by PHD. Ethyl 3,4-dihydroxybenzoate stabilizes HIF-1α by inhibiting PHD, activates downstream pathways to induce autophagy and apoptosis of tumor cells, and regulates inflammatory responses, inhibits the NF-κB pathway, improves vascular permeability, and promotes osteoblast differentiation. Ethyl 3,4-dihydroxybenzoate has anti-tumor, anti-hypoxic injury, and bone metabolism regulation effects. It can also be used in the research of cardiovascular protection (such as reducing myocardial ischemic damage), bone tissue engineering (promoting osteogenesis/inhibiting osteoclast differentiation), and prevention and treatment of high-altitude cerebral edema.

L-Arginine-d₇ (hydrochloride) is the deuterium 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.

L-Arginine-¹⁵N₄ (hydrochloride) is the ¹⁵N-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.

Propionyl-L-carnitine is an orally active L-carnitine derivative. Propionyl-L-carnitine has a high affinity for muscle L-carnitine transferase. Propionyl-L-carnitine increases Apoptosis, Bax, and reduces NF-κB, VCAM-1, MCP-1, and survivin. Propionyl-L-carnitine activates Src kinase, Akt, induces p-AMPK and nitric oxide synthesis. Propionyl-L-carnitine alleviates cardiovascular disease, obesity, and colitis.

Estetrol, an orally active estrogen synthesized exclusively during pregnancy by the human fetal liver, is a selective nuclear estrogen receptor modulator. Estetrol binds ERα as well as ERβ (with a fourfold lower affinity). Estetrol increases eNOS expression/activity and NO synthesis in endothelial cells. Estetrol exerts estrogenic actions on the endometrium or the central nervous system but presents antagonistic effects on the breast. Estetrol can be used in contraception and menopausal hormone research.

7,8-Dihydroneopterin, an inflammation marker, induces cellular apoptosis in astrocytes and neurons via enhancement of nitric oxide synthase (iNOS) expression. 7,8-Dihydroneopterin can be used in the research of neurodegenerative diseases.

α-Phellandrene (alpha-Phellandrene) is an orally active monoterpenoid and insecticide. α-Phellandrene can be isolated from plant essential oils. α-Phellandrene induces Apoptosis and Autophagy. α-Phellandrene promotes cAMP signaling pathway and increases NO production. α-Phellandrene has anti-inflammatory and anticancer (sarcoma) activities. α-Phellandrene shows insecticidal activity against Lucilia cuprina L3. α-Phellandrene reduces mechanical hyperalgesia.

Pseudoginsenoside F11 is an orally active neuroprotective agent. Pseudoginsenoside F11 reduces the expression of β-amyloid precursor protein, inhibits the production of Aβ_1-40, downregulates the expression of JNK2, p53 and activated Caspase 3, and restores the activities of SOD and Glutathione peroxidase. Pseudoginsenoside F11 inhibits the excessive activation of μ-Calpain and restores the level of neuronal Nitric oxide synthase. Pseudoginsenoside F11 reduces infarct volume, alleviates cerebral edema, decreases neuronal loss, improves neurological deficits and enhances long-term functional outcomes in transient cerebral ischemia models. Pseudoginsenoside F11 antagonizes Methamphetamine-induced behavioral deficits, dopamine level reduction and neurotoxicity without altering the baseline behaviors of normal mice. Pseudoginsenoside F11 can be used in studies related to Alzheimer's disease, transient cerebral ischemic injury and Methamphetamine-induced neurotoxicity.

Mesaconitine is a nitric oxide synthase activator. Mesaconitine drives extracellular Na⁺ and Ca²⁺ influx into endothelial cells, increases intracellular Na⁺ and Ca²⁺ concentrations, and triggers nitric oxide release. Mesaconitine is applicable for pain-related research.

L-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.

4-Methoxybenzyl alcohol (P-Methoxy-benzyl alcoho; (4-Methoxyphenyl) methanol) is a naturally derived volatile aromatic compound. 4-Methoxybenzyl alcohol upregulates the phosphorylation level of PI3K/Akt pathway proteins, downregulates the expression of pro-inflammatory factors, increases the content of tight junction proteins occludin and claudin-5, and alleviates structural damage to the blood-brain barrier. 4-Methoxybenzyl alcohol improves the decrease in viability and NO level of cerebral microvascular endothelial cells induced by oxygen-glucose deprivation/reperfusion, and reduces the release of lactate dehydrogenase. 4-Methoxybenzyl alcohol serves as a substrate in the two-phase persulfate-mediated electro-oxidation system, where it is directionally oxidized to p-anisaldehyde. 4-Methoxybenzyl alcohol acts as a substrate for wild-type fungal aryl alcohol oxidase. 4-Methoxybenzyl alcohol can be used in studies related to ischemic stroke, as well as in research across various fields such as chemical synthesis, including the synthesis of fragrances and flavorings.

Ligustrazine hydrochloride (Chuanxiongzine hydrochloride) is an orally active, blood-brain barrier-permeable alkaloid. It can be isolated from Ligusticum striatum DC. Ligustrazine hydrochloride reduces ROS, upregulates the levels of p-Akt/Akt and p-eNOS/eNOS, and decreases ALT and AST. It inhibits glutamate excitotoxicity, calcium overload, oxidative stress, ischemia-reperfusion injury and atherosclerotic plaque progression, enhances synaptic plasticity, and improves neurological function, cerebral infarct volume and brain water content. Ligustrazine hydrochloride possesses anti-inflammatory, antioxidant, lipid-lowering, endothelial protective and hepatoprotective activities. It can be used in studies related to ischemic stroke, cerebral ischemia-reperfusion injury and atherosclerosis.

Delphinidin 3-rutinoside chloride is an anthocyanin component. Delphinidin 3-rutinoside chloride is isolable from the fruits of blackcurrant Ribes nigrum L. Delphinidin 3-rutinoside chloride activates the ET_B receptor and stimulates the NO/cGMP pathway. Delphinidin 3-rutinoside chloride increases cyclic guanosine monophosphate production and reduces the phosphorylation level of Myosin regulatory light chain. Delphinidin 3-rutinoside chloride stimulates GLP-1 secretion. It significantly induces relaxation of bovine ciliary muscle strips contracted by ET-1 and inhibits ET-1-induced contraction of bovine ciliary muscle strips. Delphinidin 3-rutinoside chloride is applicable to research related to type 2 diabetes.

Piceatannol 3'-O-glucoside, an active component of Rhubarb, activates endothelial nitric oxide (NO) synthase through inhibition of arginase activity with IC₅₀s of 11.22 μM and 11.06 μM against arginase I and arginase II, respectively.

Celiprolol (REV 5320) is a potent, cardioselective and orally active β1-andrenoceptor r antagonist with partial β2 agonist activity, with K_i values of 0.14-8.3 μM. Celiprolol has antihypertensive and antianginal activity, and can be used for the research of cardiovascular disease such as high blood pressure.

KD014 (DX-2400) is a human monoclonal antibody that selectively targets MMP‑14. KD014 inhibits collagen degradation and regulates the polarization of macrophages toward an anti-inflammatory/anti-tumor phenotype. KD014 alleviates joint damage in rheumatoid arthritis and suppresses tumor growth and invasion. KD014 can be used in studies related to breast cancer and rheumatoid arthritis.

(-)-Syringaresinol is an orally active isomer of syringaresinol (HY-N8307) found in Annona Montana. (-)-Syringaresinol exhibits antioxidant, anti-inflammatory, and anticancer activities. (-)-Syringaresinol can alleviate ulcerative colitis via the PI3K-Akt/MAPK/Wnt signaling pathway. (-)-Syringaresinol inhibits HL-60 cell proliferation by arresting the G1 phase and inducing apoptosis. (-)-Syringaresinol inhibits LPS (HY-D1056)-induced microglial activation by downregulating the NF-κB p65 signaling pathway and its interaction with ERβ, exerting anti-neuroinflammatory effects.