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Expression of plasma phospholipid transfer protein mRNA in normal and emphysematous lungs and regulation by hypoxia.

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The lung is the major site expressing plasma phospholipid transfer protein (PLTP) mRNA in humans and mice, suggesting that this protein might have an important role in maintaining normal function of this organ. In the lung of human collagenase transgenic mice, an emphysematous animal model, PLTP

Influence of phospholipid long chain polyunsaturated fatty acid composition on neonatal rat cardiomyocyte function in physiological conditions and during glucose-free hypoxia-reoxygenation.

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There is evidence that dietary polyunsaturated fatty acids (PUFA) may protect against cardiovascular diseases, but the involvement of the cardiac muscle cell in this beneficial action remain largely unknown. The present study compared the respective influence of n-3 and n-6 PUFA on the function of

Influence of phospholipid polyunsatured fatty acid composition on some metabolic disorders induced in rat cardiomyocytes by hypoxia and reoxygenation.

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The influence of membrane polyunsaturated fatty acid (PUFA) composition on lactate production, energy status, enzyme leakage and cell defences against oxygen free radical production was studied in cultured rat ventricular myocytes during hypoxia and reoxygenation. After 4 days in a conventional

[Effect of acute hypoxia on the phospholipid composition of the cell, microsomal and mitochondrial membranes of rat brain and liver].

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Tissue-dependent alterations in composition of phospholipids, studied by means of thin-layer chromatography, were detected in plasma, microsomal and mitochondrial membranes of rat brain and liver tissues after influence of acute hypoxia in the altitude chamber at a "height" of 12,000 m 3-9 min.

Chronic hypoxia alters fatty acid composition of phospholipids in right and left ventricular myocardium.

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Adult male Wistar rats were exposed to intermittent high altitude hypoxia of 7000 m simulated in a hypobaric chamber for 8 h/day, 5 days a week; the total number of exposures was 25. The concentration of individual phospholipids and their fatty acid (FA) profile was determined in right (RV) and left

[Phospholipid metabolism in the microsomes and cytosol of the brain tissue of normal rats and rats with hypoxic hypoxia].

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The content and the intensity of metabolism of various phospholipid groups (phosphatidylcholines, monophosphoinositides, aminophospholipids) was studied in the homogenate, microsomes, and cytozol of the rat brain under normal conditions and in hypoxic hypoxia (240 mm Hg). Phospholipid content per 1

[Phospholipid content of the rat lung and surfactant during the administration of hydrocortisone or insulin and in hypoxic hypoxia].

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After acute hypoxia (3 hrs, P-200 mm Hg) content of total phospholipids and of their fractions was not altered in rat lung parenchyma, but the phospholipid composition, changed due to preadministration of hydrocortisone or insulin, was normalized. After the hypoxia concentration of phospholipids in

Changes in phospholipids and free fatty acids in the brains of mice preconditioned by hypoxia.

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Changes in the composition and contents of phospholipids and free fatty acids were observed and compared in three groups: (A) unpreconditoned normal controls, (B) exposure to 1 run of hypoxia and (C) exposure to 4 runs of hypoxia. In group B, the content of phosphatidyl ethanolamine (PE),

Attenuation of postnatal hypoxia in the premature newborn rat by maternal treatment with dexamethasone: its relationship with lung phospholipid content.

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The effect of maternal treatment with dexamethasone on blood PO2, PCO2, pH and lactate concentrations and on lung phospholipid content in premature newborn rats during the early neonatal period was studied. The postnatal hypoxia shown by premature newborn rats was prevented by this treatment.

Phospholipid scramblase 1 is required for β2-glycoprotein I binding in hypoxia and reoxygenation-induced endothelial inflammation.

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Multiple pathologic conditions, including hemorrhage, tumor angiogenesis, and ischemia-reperfusion events, will result in hypoxia and subsequent reperfusion. Previous studies have analyzed the lipid changes within whole tissues and indicated that ischemia-reperfusion altered tissue and cellular

Endothelial cell phospholipid distribution and phospholipase activity during acute and chronic hypoxia.

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We have previously reported alterations in cyclooxygenase metabolism in cultured aortic and pulmonary arterial endothelial cells exposed to acute and chronic hypoxia. These alterations depended on the duration and degree of the hypoxic exposure, on the vascular bed from which the endothelial cells

Combined effect of hypoxia and cold on the phospholipid composition of lung surfactant in rats.

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The phsopholipid composition of lung tissue and lung lavage in rats exposed to acute hypoxia, chronic hypoxia, and acute and chronic hypoxia associated with cold has been estimated and compared with controls. Different fractions of phospholipids were separated by thin layer chromatography. Results

Pulmonary vascular endothelial growth factor expression and disaturated phospholipid content in a chicken model of hypoxia-induced fetal growth restriction.

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BACKGROUND Prenatal hypoxia is an important cause of intrauterine growth retardation that affects fetal lung maturation, although previous studies have rendered conflicting results. The fetal chicken model allows the study of the isolated effects of hypoxia during development. OBJECTIVE We

[The effect of vaporization with thermal sulfurous water on phospholipids in the broncho-alveolar lavage solution following hypobaric hypoxia in the rat].

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We have studied, in the rat, the action of a vaporization with sulphurous water from Bagnères de Luchon on the surfactant modifications caused by hypoxia. The phospholipase activity, subordinate to hypoxia, decreased by 1/5 compared to its value without treatment and the phospholipid composition of

[Changes in phospholipids of the brain grey and white matter during in vitro autolysis in rats subjected to acute hypobaric hypoxic hypoxia].

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The development of autolysis in grey brain matter of albino rats was accompanied by desintegration of aminophospholipids with parallel increase of glycerophosphates (GLP) and phosphatidic acids (PA) on early stages of incubation and lysophospholipids (LPL) on later stages. Acute hypobaric hypoxic

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