Molecular Weight(MW): 269.69
L-NAME is a nonselective inhibitor of nitric oxide synthetases (NOS) for nNOS (bovine), eNOS (human), and iNOS (murine), with Ki of 15 nM, 39 nM and 4.4 μM, respectively.
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(B) NO levels in cucumber leaves under normal conditions. L, L-NAME; N, NaN3; C, wild type and H2O was used as a control. The mean values of three independent samples and standard errors are shown, and the same letter above the column indicates no significant differences at P < 0.05.
Front Plant Sci, 2016, 7:1652.. L-NAME HCl purchased from Selleck.
(C) HOSS1 cells were grown in soft agar, in the presence or absence of L-NAME (10 mM), and treated as indicated with drugs, as indicated, for 6 h and 12 h. Cells were subjected to electrophoresis and stained. The tail moments of cells were measured and presented below each image (n = 4, ± SEM) *P < 0.05 less than corresponding value in vehicle-treated cells.
Cancer Biol Ther, 2014, 15(6):758-67. . L-NAME HCl purchased from Selleck.
(E) Western blot analysis of p-eNOS expression after 1 mM metformin and/or 1 mM l-NAME treatment (n = 3). (F) NO production measurement via Griess method after 1 mM metformin and/or 1 mM l-NAME treatment (n = 3). (G,H) Q-PCR analysis of vWF and CD31 expression after 1 mM metformin and/or 1 mM l-NAME treatment (n = 3). **p < 0.01 when comparison was performed between groups, ***p < 0.001 between groups.
Biochem Biophys Res Commun, 2015, 465(4):803-9. . L-NAME HCl purchased from Selleck.
Purity & Quality Control
Choose Selective NOS Inhibitors
|Description||L-NAME is a nonselective inhibitor of nitric oxide synthetases (NOS) for nNOS (bovine), eNOS (human), and iNOS (murine), with Ki of 15 nM, 39 nM and 4.4 μM, respectively.|
NG-nitro-L-arginine methyl ester (L-NAME; at 0.1-100 mM) causes concentration-dependent inhibition of the Ca2(+)-dependent endothelial NO synthase from porcine aortae. L-NAME causes an endothelium-dependent contraction and an inhibition of the endothelium-dependent relaxation induced by acetylcholine (ACh) in aortic rings.  In another research, Viability of rMC-1 cells or BREC in 25 mM glucose is significantly less than at 5 mM glucose, and this cell death is inhibited by l-NAME in both cell types. 
|In vivo||L-NAME (0.03-300 mg kg-1, i.v.) induces a dose-dependent increase in mean systemic arterial blood pressure accompanied by bradycardia. L-NAME (100 mg kg-1, i.v.) inhibits significantly the hypotensive responses to ACh and bradykinin. The increase in blood pressure and bradycardia produced by L-NAME is reversed by L-arginine (30-100 mg kg-1, i.v.) in a dose-dependent manner. |
Enzyme Assay:The oxidation of L-arginine is monitored by the conversion of [3H]- or [14C]-arginine to L-citrulline which separates L-citrulline from L-arginine by Dowex 50x8-200 (Na) chromatography. Typical reaction mixtures (100 pL) contains 50 mM HEPES, pH 7.0, 8 pM tetrahydrobiopterin, 1 mM CaC12, 0.01 mg/mL calmodulin, 0.5 mM EDTA, 0.450 pM [14C]-arginine (30000 cpm), and 100-200 pM NADPH. The cNOS-catalyzed oxidation of NADPH to NADP+ is monitored by the reduction of absorbance at 340 nm with a Kontron 860 spectrophotometer in a volume of 300 pL. All reactions are at 30 ℃ unless otherwise indicated.
|In vitro||Water||54 mg/mL (200.22 mM)|
|In vivo||Add solvents individually and in order:
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
Calculate the mass, volume or concentration required for a solution. The Selleck molarity calculator is based on the following equation:
Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)
*When preparing stock solutions, please always use the batch-specific molecular weight of the product found on the via label and MSDS / COA (available on product pages).
Calculate the dilution required to prepare a stock solution. The Selleck dilution calculator is based on the following equation:
Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
This equation is commonly abbreviated as: C1V1 = C2V2 ( Input Output )
* When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and MSDS / COA (available online).
Molecular Weight Calculator
Enter the chemical formula of a compound to calculate its molar mass and elemental composition:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
Clinical Trial Information
|NCT Number||Recruitment||Conditions||Sponsor/Collaborators||Start Date||Phases|
|NCT00835224||Completed||Orthostatic Hypotension|Spinal Cord Injury||VA Office of Research and Development||May 2010||Phase 2|
|NCT00753948||Completed||Tetraplegia|Asthma||VA Office of Research and Development||December 2006||Phase 2|Phase 3|
|NCT00603720||Completed||Cardiovascular Diseases||Washington University School of Medicine|National Institute on Aging (NIA)||September 2005||--|
|NCT00237770||Completed||Hypotension|Spinal Cord Injury||VA Office of Research and Development||June 2003||Phase 2|Phase 3|
Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.
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