نتایج جستجو برای: carnitine zero
تعداد نتایج: 155988 فیلتر نتایج به سال:
Carnitine metabolism has been previously shown to change with exercise in normal subjects, and in patients with ischemic muscle diseases. To characterize carnitine metabolism further during exercise, six normal male subjects performed constant-load exercise on a bicycle ergometer on two separate occasions. Low-intensity exercise was performed for 60 min at a work load equal to 50% of the lactat...
There are many causes for carnitine depletion during maintenance hemodialysis. Supplementation with L-carnitine in animals has been associated with improvement in some abnormalities also present in chronic renal failure. However, it is still controversial whether restoring plasma or tissue carnitine will correct clinical or biologic symptoms observed in maintenance hemodialysis. A systematic re...
OBJECTIVE Carnitine homeostasis is disrupted in lambs with endothelial dysfunction secondary to increased pulmonary blood flow (Shunt). Our recent studies have also indicated that the disruption in carnitine homeostasis correlates with a decrease in PPAR-γ expression in Shunt lambs. Thus, this study was carried out to determine if there is a causal link between loss of PPAR-γ signaling and carn...
Three experiments using 1,356 pigs (C22 × 336 PIC) were conducted to determine the interactive effects of dietary L-carnitine and ractopamine hydrochloride (RAC) on carcass characteristics and meat quality of finishing pigs. Experiments were arranged as factorials with main effects of L-carnitine and RAC; L-carnitine levels were 0, 25, or 50 mg/kg in Exp. 1 and 2 and 0 or 50 mg/kg in Exp. 3, an...
New knowledge on the physiologic role of L-carnitine and on the rationale of its use in patients on maintenance hemodialysis is provided. In particular, carnitine normalizes plasma and muscle carnitine levels and modifies both enzymatic pattern of muscle and morphology of single fibers, improving exercise tolerance. In addition, carnitine reduces erythropoietin requirements, the number of hypot...
The distribution of acetyl coenzyme A-carnitine acetyltransferase (EC 2.3.1.7) and of palmityl-CoA-carnitine palmityltransferase (EC 2.3.1) in subcellular fractions of rat liver has been studied. The distribution of carnitine pahnityltransferase in the different fractions obtained with differential centrifugation and with centrifugation in a steep sucrose gradient correlated closely with the di...
cardial carnitine depletion and an accompanying decrease in fatty acid oxidation may contribute to the myocardial disease associated with diphtheria. In addition, administration of carnitine was found to prolong survival of diphtheritic guinea pigs and improve ventricular function in diphtheritic dogs. The present studies document the hypothesis that the defect in myocardial carnitine, directly...
The present study was conducted to evaluate the effect of L-carnitine supplementation accompanied with two sources of fat supplemented diets (ω3 and ω6) on flushing period of Farahani ewes. 20 Farahani ewes were allocated in four different treatments which were as follow: 1) 2.5% dry matter intake ω3 source without L-carnitine 2) 2.5% dry matter intake ω6 source without L-carnitine 3) 2.5% dry ...
Aims: This study investigated the effects of creatine and L-carnitine supplementation on anaerobic performance and body weight changes in athletes. Methods: In this single-blind randomized clinical trial, 45 athletes were selected and randomly divided into four groups supplemented with: a) Creatine, b) L-carnitine, c) Creatine- L- carnitine and D) placebo. The supplementation period was 28 d...
The food-borne pathogen Listeria monocytogenes grows actively under high-salt conditions by accumulating compatible solutes such as glycine betaine and carnitine from the medium. We report here that the dominant transport system for glycine betaine uptake, the Gbu porter, may act as a secondary uptake system for carnitine, with a K(m) of 4 mM for carnitine uptake and measurable uptake at carnit...
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