mufa/hypoxia

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Mga2p processing by hypoxia and unsaturated fatty acids in Saccharomyces cerevisiae: impact on LORE-dependent gene expression.

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In Saccharomyces cerevisiae, OLE1 encodes a delta9 fatty acid desaturase, an enzyme that plays a critical role in maintaining the correct ratio of saturated to monounsaturated fatty acids in the cell membrane. Previous studies have demonstrated that (i) OLE1 expression is repressed by unsaturated

Intermittent hypoxia exacerbates pancreatic β-cell dysfunction in a mouse model of diabetes mellitus.

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OBJECTIVE The effects of intermittent hypoxia (IH) on pancreatic function in the presence of diabetes and the underlying mechanisms are unclear. We hypothesized that IH would exacerbate pancreatic β-cell dysfunction and alter the fatty acids in the male Tallyho/JngJ (TH) mouse, a rodent model of

Positive feedback loop and synergistic effects between hypoxia-inducible factor-2α and stearoyl-CoA desaturase-1 promote tumorigenesis in clear cell renal cell carcinoma.

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Adapting to hypoxic stress is pivotal in tumor progression and determining tumor malignancy. The transcriptional factor hypoxia-inducible factor (HIF) is crucial in modulating tumorous hypoxic responses through altering cell energy metabolism, which includes the modification of glucose and lipid

Intermittent hypoxia induces hyperlipidemia in lean mice.

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Obstructive sleep apnea, a syndrome leading to recurrent intermittent hypoxia (IH), has been associated previously with hypercholesterolemia, independent of underlying obesity. We examined the effects of experimentally induced IH on serum lipid levels and pathways of lipid metabolism in the absence

Interaction between oxygen and cell membranes: modification of membrane lipids to enhance pulmonary artery endothelial cell tolerance to hypoxia.

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Because high partial pressures of oxygen (O2) can cause peroxidative cleavage of membrane lipids, it is plausible to hypothesize that hyperoxia alters the physical state and composition of lipids in the membranes of pulmonary endothelial cells and that manipulation of the lipid profile may modify

Autosomal dominant inheritance of brain cardiolipin fatty acid abnormality in VM/DK mice: association with hypoxic-induced cognitive insensitivity.

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Cardiolipin is a complex polyglycerol phospholipid found almost exclusively in the inner mitochondrial membrane and regulates numerous enzyme activities especially those related to oxidative phosphorylation and coupled respiration. Abnormalities in cardiolipin can impair mitochondrial function and

Dietary n-3 long-chain polyunsaturated fatty acid deprivation, tissue lipid composition, ex vivo prostaglandin production, and stress tolerance in juvenile Dover sole (Solea solea L.).

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Larval Dover sole fed an Artemia diet supplemented with n-3 long-chain (C20 + C22) polyunsaturated fatty acids (PUFA) are known to be more resistant to low-temperature injury. Here we explore the relationship between tissue fatty acid composition and tolerance of stressful environmental conditions

Innate immune mechanisms linking non-esterified fatty acids and respiratory disease.

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Local airway inflammation in chronic respiratory disease is well described. Recently it has been recognised that chronic obstructive respiratory disease, asthma and obstructive sleep apnoea, all involve a systemic inflammatory component. Overspill of airway inflammation, as well as direct metabolic

Vascular effects of the Mediterranean diet part I: anti-hypertensive and anti-thrombotic effects.

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This review summarizes available evidence on the beneficial effects of inorganic nitrates and the monounsaturated fatty acid (MUFA) oleic acid, largely contained in Mediterranean diet, on blood pressure and coagulation activity. Inorganic nitrate. Normal vascular function requires NO production from

Genome-wide association study identifies novel loci associated with concentrations of four plasma phospholipid fatty acids in the de novo lipogenesis pathway: results from the Cohorts for Heart and Aging Research in Genomic Epidemiology (CHARGE) consortium.

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BACKGROUND- Palmitic acid (16:0), stearic acid (18:0), palmitoleic acid (16:1n-7), and oleic acid (18:1n-9) are major saturated and monounsaturated fatty acids that affect cellular signaling and metabolic pathways. They are synthesized via de novo lipogenesis and are the main saturated and

Potent block of inactivation-deficient Na+ channels by n-3 polyunsaturated fatty acids.

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A voltage-gated, small, persistent Na(+) current (I(Na)) has been shown in mammalian cardiomyocytes. Hypoxia potentiates the persistent I(Na) that may cause arrhythmias. In the present study, we investigated the effects of n-3 polyunsaturated fatty acids (PUFAs) on I(Na) in HEK-293t cells

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