نتایج جستجو برای: linoleic acid
تعداد نتایج: 747873 فیلتر نتایج به سال:
OBJECTIVE To determine the effect of oleic acid and linoleic acid on the production and secretion of specific diabetic retinopathy- (DR-) related cytokines: vascular endothelial growth factor (VEGF), interleukin-6 (IL-6), and interleukin-8 (IL-8) by human retinal glial cells, retinal endothelial cells, and retinal pigment epithelial cells. These expression profiles will be compared to those obt...
Replacement of saturated fat by the major dietary polyunsaturated fat linoleic acid reduces blood cholesterol concentrations and the risk of coronary artery disease. However, there is concern that long-term consumption of large amounts of linoleic acid might increase cancer risk. We reviewed the epidemiologic and experimental literature on linoleic acid intake and cancer risk and performed addi...
Optical and EPR studies indicate that the iron present in lipoxygenase participates in catalysis. Addition of linoleic acid hydroperoxide to lipoxygenase 1 causes an increase in abosrbance over the range of 350 to 650 nm which is reversed when linoleic acid hydroperoxide is destroyed upon the addition of linoleic acid under anaerobic conditions. Lipoxygenase 1 alone exhibits no EPR signal but u...
Pseudo-acylceramides with different acyl properties were investigated for their capacity to restore diminished barrier function in essential fatty acid-deficient rats. Daily topical applications of synthetic pseudo-acylceramides containing ester-linked linoleic acid caused a dose-dependent, significant reduction of transepidermal water loss (TEWL). Both other pseudo-acylceramides with ester-lin...
BACKGROUND We studied the oxidation of an oil rich in docosahexaenoic acid (DHA; DHASCO((R))) in lactating mothers receiving a dietary DHA supplement or a placebo. The results were compared with the oxidation of linoleic acid. METHODS Breast-feeding mothers received a dietary supplement (DHASCO; 200 mg DHA/day, n = 5) or a placebo (n = 5) for 14 days. Six weeks post partum all 10 mothers rece...
Hidden blood loss typically occurs following total hip arthroplasty (THA) and total knee arthroplasty (TKA) and is thought to be related to free fatty acid (FFA). To study the effect of linoleic acid on red blood cells and to examine the pathogenesis of hidden blood loss in vivo, we generated an animal model by injecting linoleic acid into the tail veins of rats. We collected blood samples and ...
Cystic fibrosis (CF) is associated with fatty acid alterations characterized by low linoleic and docosahexaenoic acid. It is not clear whether these fatty acid alterations are directly linked to cystic fibrosis transmembrane conductance regulator (CFTR) dysfunction or result from nutrient malabsorption. We hypothesized that if fatty acid alterations are a result of CFTR dysfunction, those alter...
We report fatty acid composition in perirenal and buttock adipose tissue in 714 deceased black and white men aged 25-44 yr in New Orleans. Percent saturated fatty acids were higher (p less than 0.001) whereas percent monounsaturated fatty acids were lower (p less than 0.001) in perirenal than in buttock fat. Percent linoleic acid was similar in both races. We conclude that dietary intake of lin...
Polyunsaturated fatty acids (PUFAs) have anti-inflammatory effects at low concentrations; however increased dietary consumption may conversely increase susceptibility to oxidation by free radicals. The objective of this study was to determine the effects of PUFAs on selective oxidative injury and inflammatory biomarkers in canine urine and serum. Dogs (n = 54) consumed a diet supplemented with ...
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