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The first nitric oxide synthase to be identified was found in neuronal tissue (NOS1 or nNOS); the endothelial NOS (eNOS or NOS3) was the third to be identified. They were originally classified as "constitutively expressed" and "Ca 2+ sensitive" but it is now known that they are present in many different cell types and that expression is ...
Endothelial NOS (eNOS), also known as nitric oxide synthase 3 (NOS3) or constitutive NOS (cNOS), is an enzyme that in humans is encoded by the NOS3 gene located in the 7q35-7q36 region of chromosome 7. [5]
7-Nitroindazole, or 7-NI, is a heterocyclic small molecule containing an indazole ring that has been nitrated at the 7 position. Nitroindazole acts as a selective inhibitor for neuronal nitric oxide synthase, a hemoprotein enzyme that, in neuronal tissue, converts arginine to citrulline and nitric oxide (NO). [1]
Dihydrofolate reductase and thymidylate synthase inhibitor. Colorectal cancer: Myelosuppression Trimetrexate: IV Dihydrofolate reductase, thymidylate synthase and glycinamide ribonucleotide formyltransferase inhibitors. Pneumocystis jirovecii Neutropenia, febrile neutropenia (uncommon), renal failure (uncommon) peripheral neuropathy (uncommon) [15]
Proadifen (SKF-525A) is a non-selective inhibitor of cytochrome P450 enzymes, preventing some types of drug metabolism. [1] It is also an inhibitor of neuronal nitric oxide synthase (NOS), CYP-dependent (cytochrome P450-dependent) arachidonate metabolism, transmembrane calcium influx, and platelet thromboxane synthesis.
Nicorandil is a vasodilator drug used to treat angina. Angina is chest pain that results from episodes of transient myocardial ischemia. This can be caused by diseases such as atherosclerosis, coronary artery disease and aortic stenosis. Angina commonly arises from vasospasm of the coronary arteries.
A nitrovasodilator is a pharmaceutical agent that causes vasodilation (widening of blood vessels) by donation of nitric oxide (NO), [1] and is mostly used for the treatment and prevention of angina pectoris. This group of drugs includes nitrates (esters of nitric acid), which are reduced to NO in the body, as well as some other substances.
Sodium nitroprusside (SNP), sold under the brand name Nitropress among others, is a medication used to lower blood pressure. [3] This may be done if the blood pressure is very high and resulting in symptoms, in certain types of heart failure, and during surgery to decrease bleeding. [3]