نتایج جستجو برای: l citrulline
تعداد نتایج: 619309 فیلتر نتایج به سال:
Abstract The objective of the study was to examine how l-citrulline supplementation ewes during mid-gestation influences placental activity, blood flow, lamb body weight, and carcass characteristics. Two studies were completed. A pharmacokinetic compare circulating plasma amino acid concentrations after a single intravenous injection 155 µmol/kg BW or an isonitrogenous amount l-alanine (control...
BACKGROUND Aging is associated with profound metabolic disturbances, and citrulline may be of use to limit them. OBJECTIVE The aim of this work was to evaluate the long-term effect of citrulline supplementation on metabolism in healthy aged rats. METHODS Twenty-month-old male rats were randomly assigned to be fed (ad libitum) for 12 wk with either a citrulline-enriched diet (1 g ⋅ kg(-1) ⋅ ...
The dimethylarginine dimethylaminohydrolase (DDAH) enzyme family has been the subject of substantial investigation as a potential therapeutic target for the regulation of vascular tension. DDAH enzymes catalyze the conversion of asymmetric N(η),N(η)-dimethylarginine (ADMA) to l-citrulline. Here the influence of substrate and product binding on the dynamic flexibility of DDAH from Pseudomonas ae...
The objective of this study was to evaluate the influence of ingested l-arginine, l-citrulline, and antioxidants (vitamins C and E) on the progression of atherosclerosis in rabbits fed a high-cholesterol diet. The fatty diet caused a marked impairment of endothelium-dependent vasorelaxation in isolated thoracic aorta and blood flow in rabbit ear artery in vivo, the development of atheromatous l...
objective(s):some pathologic situations such as diabetes and metabolic syndrome are associated with alternation in nitric oxide level. incidence of these condition increases with aging. on the other hand, insulin secretion is modulated by nitric oxide, and nitric oxide synthase (nos) activity is also altered in diabetes. in this study, modification in the enzyme activity associated with aging a...
A pathway from enteral L-glutamine as substrate for L-arginine synthesis is suggested by previous studies. L-Glutamine and L-glutamine dipeptides exhibit numerous beneficial effects in experimental and clinical studies. In trauma patients, enteral L-glutamine supply increased plasma L-arginine. The present study was designed to quantify the contribution of L-glutamine to the de novo L-citrullin...
BACKGROUND Citrulline is an amino acid produced by enterocytes. Serum citrulline concentration has been proposed as a marker of enterocyte mass and function. Our study focused on evaluation of citrulline levels in patients with diarrhea related to toxic intestinal damage (mucositis), intestinal graft versus host disease (GVHD), and other etiology of diarrhea (e.g., dysmicrobia) after allogeneic...
Watermelon produces many byproducts (watermelon rind and skin) even though those components contain various bioactive compounds, including citrulline. This study evaluated the citrulline concentration, total phenolic content, antioxidant activity (DPPH FRAP assays) of different parts watermelon investigated bioavailability from using an in vitro human intestinal epithelial Caco-2 cell monolayer...
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