نتایج جستجو برای: diethyl fumarate def
تعداد نتایج: 14596 فیلتر نتایج به سال:
The kinetic mechanism of bovine liver argininosuccinate lyase has been determined at pH 7.5, 25 degrees C. Fumarate and arginine are both noncompetitive inhibitors versus argininosuccinate. The dead-end inhibitor, succinate, is competitive versus fumarate and argininosuccinate, but noncompetitive versus arginine. Citrulline is competitive versus arginine and noncompetitive versus argininosuccin...
OBJECTIVES (2-succinyl)cysteine (2SC) is formed by a Michael addition reaction of the Krebs cycle intermediate, fumarate, with cysteine residues in protein. We investigated the role of fumarate in chemical modification and inhibition of the sulfhydryl enzyme, glyceraldehyde-3-phosphate dehydrogenase (GAPDH), in vitro and in tissues of diabetic rats. RESEARCH DESIGN AND METHODS GAPDH was incub...
A series of fumarate analogues has been used to explore the molecular mechanism of the activation of dopamine beta-mono-oxygenase by fumarate. Mesaconic acid (MA) and trans -glutaconic acid (TGA) both activate the enzyme at low concentrations, similar to fumarate. However, unlike fumarate, TGA and MA interact effectively with the oxidized enzyme to inhibit it at concentrations of 1-5 mM. Monoet...
Introduction: Fumarate, the tricarboxylic acid (TCA) cycle intermediary, has been linked to nitric oxide (NO) production. NO plays a prominent role in physiological regulation of blood pressure and renal hemodynamics. This study is aimed investigate any contribution fumarate hemodynamics normotensive rats with possible link nitrergic system.
 Materials methods: Fumarate (1, 3 10 μmol) was...
BACKGROUND Dimethyl fumarate and fingolimod are oral disease-modifying therapies approved to treat relapsing multiple sclerosis. Prior observational studies and our previous 12-month investigation showed comparable clinical efficacy. OBJECTIVE The purpose of this study was to assess real-world efficacy and discontinuation of dimethyl fumarate and fingolimod over 24 months in patients with mul...
INTRODUCTION Fumarate reductase (FRD) catalyses the reduction of fumarate to succinate and is a key enzyme for the anaerobic functioning of many organisms respiring with fumarate as terminal electron acceptor. The ability to reduce fumarate is a common property among Gram-negative bacteria and some facultative anaerobic Gram-positive bacteria. The reduction of fumarate is also important in the ...
Alkylmalonic esters, which have been recognized as important intermediates in the syntheses of various carboxylic acids, amino acids, etc., can be obtained by a variety of methods.1) Excepting the introduction of tertiary alkyl groups, the alkylation of malonic esters with alkyl halides in basic conditions, for example, in ethanol in the presence of sodium ethoxide, is one of the most important...
BACKGROUND This work reports the determination of the levels of phthalate esters (dimethyl phthalate (DMP), diethyl phthalate (DEP), dibutyl phthalate (DBP), diethyl hexyl phthalate (DEHP)) and metals (lead, cadmium, manganese, zinc, iron, calcium) in composite soil samples. The soil samples were collected randomly within the Muledane open dump, Thohoyandou, Limpopo province, South Africa. Cont...
The citric acid cycle (CAC) metabolite fumarate has been proposed to be cardioprotective; however, its mechanisms of action remain to be determined. To augment cardiac fumarate levels and to assess fumarate's cardioprotective properties, we generated fumarate hydratase (Fh1) cardiac knockout (KO) mice. These fumarate-replete hearts were robustly protected from ischemia-reperfusion injury (I/R)....
Altered dietary choline availability early in life leads to persistent changes in spatial memory and hippocampal plasticity in adulthood. Developmental programming by early choline nutrition may determine the range of adult choline intake that is optimal for the types of neural plasticity involved in cognitive function. To test this, male Sprague-Dawley rats were exposed to a choline chloride d...
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