نتایج جستجو برای: oleyl oleate
تعداد نتایج: 3080 فیلتر نتایج به سال:
Multiple extracardiac stimuli, such as workload and circulating nutrients (e.g., fatty acids), known to influence myocardial metabolism and contractile function exhibit marked circadian rhythms. The aim of the present study was to investigate whether the rat heart exhibits circadian rhythms in its responsiveness to changes in workload and/or fatty acid (oleate) availability. Thus, hearts were i...
Epidemiological studies and experiments using animal models and cultured breast cancer cells have suggested that a high intake of dietary fat could increase breast cancer risk. Little is known about the biochemical pathways by which various free fatty acids (FFAs) influence breast cancer cell proliferation and apoptosis. The present study was designed to investigate the effects of the two most ...
We evaluated the applicability of stable isotopic tracers to the study of intramuscular fatty acid metabolism by infusing both [U-13C]palmitate and [1-13C]oleate intravenously for 4 h into fasted conscious rats. Skeletal muscles were sequentially biopsied, and the concentration and 13C enrichment of fatty acids were measured by gas chromatography/combustion/isotope ratio mass spectrometry. Thro...
Fatty acid esterification of budesonide (BUD) has previously been documented in vitro as well as in large airway tissues after in vivo administration. This reversible esterification has the potential to prolong the anti-inflammatory effect of BUD and improve its airway selectivity. In the present study we characterized the plasma and tissue kinetics of BUD in the rat after inhalation and intrav...
When [14C]oleate-bovine serum albumin complexes were incubated in vitro with rat liver plasma membranes (LPM), specific, saturable binding of oleate to the membranes was observed. Maximal heat-sensitive (i.e., specific) binding was 3.2 nmol/mg of membrane protein. Oleate-agarose affinity chromatography of Triton X-100-solubilized LPM was used to isolate a single 40-kDa protein with high affinit...
Elevated levels of plasma saturated free fatty acids are a major pathogenic factor in diabetes, cardiovascular and liver diseases. Growing evidence suggests a link between sFFA-induced metabolic impairments and neurodegeneration. Excessive sFFAs in the brain circulation may trigger neuroinflammation and insulin resistance, however the underlying signaling changes have not been clarified in neur...
Sterol glucosyltransferase, Ugt51/Atg26, is essential for both micropexophagy and macropexophagy of methanol-induced peroxisomes in Pichia pastoris. However, the role of this protein in pexophagy in other yeast remained unclear. We show that oleate- and amine-induced peroxisomes in Yarrowia lipolytica are degraded by Atg26-independent macropexophagy. Surprisingly, Atg26 was also not essential f...
This study analyzes the mechanisms of long-chain fatty acid (LCFA) uptake by human microvascular endothelial cells (HMEC). The time course revealed the presence of an early, carrier-mediated uptake component and a later component mediated by clathrin-coated vesicles (CCV) and caveolae, as evidenced by three different experimental approaches: 1) significant reduction of [3H]oleate uptake over 5 ...
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