sphingomyelin/edema

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Compositional changes in lipid microdomains of air-blood barrier plasma membranes in pulmonary interstitial edema.

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We evaluated in anesthetized rabbits the compositional changes of plasmalemmal lipid microdomains from lung tissue samples after inducing pulmonary interstitial edema (0.5 ml/kg for 3 h, leading to approximately 5% increase in extravascular water). Lipid microdomains (lipid rafts and caveolae) were

Lipid composition of rat brain myelin in triethyl tin-induced edema.

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Chronic triethyl tin intoxication was induced in young adult rats by oral feeding of triethyl tin sulfate. Progressively severe brain edema developed during the 3-month experimental period. The yield of myelin from the brains of the experimental animals decreased to almost half normal per brain, but

Sphingomyelin synthase 2 (SMS2) deficiency attenuates LPS-induced lung injury.

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Sphingomyelin synthase (SMS) catalyzes the synthesis of sphingomyelin (SM) and is required for maintenance of plasma membrane microdomain fluidity. Of the two isoforms of mammalian SMS, SMS1 is mostly present in the trans-Golgi apparatus, whereas SMS2 is predominantly found at the plasma membrane.

Surfactant alterations in severe pneumonia, acute respiratory distress syndrome, and cardiogenic lung edema.

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Bronchoalveolar lavage fluids (BALF) were analyzed for surfactant abnormalities in 153 patients with acute respiratory failure necessitating mechanical ventilation. Diagnoses were acute respiratory distress syndrome (ARDS) in the absence of lung infection (n = 16), severe pneumonia (PNEU; n = 88),

The lecithin/sphingomyelin ratio in cases associated with fetomaternal disease.

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The efficacy of correlating the L/S ratio in the amniotic fluid with fetal lung maturity has been substantiated in normal pregnancies. In gestations complicated by fetomaternal diseases, however, the assay is less reliable. This study involves 555 pregnancies in which there was a significant

A simple desalting method for direct MALDI mass spectrometry profiling of tissue lipids.

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Direct MALDI-mass spectrometry (MALDI-MS) profiling of tissue lipids often observes isobaric phosphatidylcholine (PC) species caused by the endogenous alkali metal ions that bias the relative abundance of tissue lipids. Fresh rat brain cryosections were washed with 70% ethanol (EtOH), water (H₂O),

Corynebacterium pseudotuberculosis exotoxin: fatal hemolytic anemia induced in gnotobiotic neonatal small ruminants by parenteral administration of preparations containing exotoxin.

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Inoculation of live Corynebacterium pseudotuberculosis, culture supernatant, ammonium sulfate-fractionated crude exotoxin, or chromatographically purified exotoxin preparations into gnotobiotic small ruminants (n = 13) caused death of the ruminants within 48 hours. Characteristic changes observed in

Endobronchial surface active phospholipids in various pulmonary diseases.

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In the present study we investigated the phospholipid composition of small-volume (up to 20 ml) in vivo bronchoalveolar lavage and that of quantitative ex vivo bronchoalveolar lavage. Furthermore, the accuracy of the small-volume lavage in predicting lung disease was evaluated. There was a positive

Phospholipid pool, lipid peroxidation, and superoxide dismutase activity under various types of oxidative stress of the brain and the effect of low-energy infrared laser irradiation.

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The effect of low-energy infrared laser irradiation on the phospholipid pool, lipid peroxidation, and superoxide dismutase activity in the brain of white rats was studied in experimental ischemia, reperfusion, and acute edema. These models are characterized by oxidative stress; the contents of tri-

[Treatment of severe Rhesus erythroblastosis].

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Report about the management of cases of severe Rhesus erythroblastosis. One case is specially discussed because of it's actuality. This was a patient with severe Rh-sensitization (OOD at 450 mm from the beginning of the 30th week of gestation in zone III according to Liley). Because of the

Surfactant alterations following acute bleomycin and hyperoxia-induced lung damage.

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Hamsters treated with 0.5 U/kg intratracheal bleomycin and exposed for 24 h to 80% O2 develop acute respiratory failure 72 h after treatment. To examine indirectly the lung epithelial type II cell changes, alterations in pulmonary surfactant was measured. Presence and amount of dipalmitoyl

Inhibition of ceramide biosynthesis ameliorates pathological consequences of spinal cord injury.

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Ceramide is a sphingolipid signaling molecule with powerful proinflammatory and proapoptotic properties. The aim of this study was to investigate the role of altered ceramide metabolism in spinal cord injury. Spinal cord injury was induced by application of vascular clips (force of 24 g) to the dura

Plasma cross-gestational sphingolipidomic analyses reveal potential first trimester biomarkers of preeclampsia.

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BACKGROUND Preeclampsia (PE) is a gestational disorder, manifested in the second half of pregnancy by maternal hypertension, proteinuria and generalized edema. PE is a major cause of maternal and fetal morbidity and mortality, accounting for nearly 40% of all premature births worldwide. Bioactive

Description of the sphingolipid content and subspecies in the diabetic cornea.

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OBJECTIVE Diabetes mellitus (DM) is characterized by high blood sugar levels over a prolonged period. Long term complications include but not limited heart disease, stroke, kidney failure, and ocular damage. An estimated 382 million people are diagnosed with Type 2 DM accounting for 90% of the

The effect of 3-methylindole on the uptake and incorporation of 14C-choline into phospholipids in lung tissue slices.

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3-Methylindole (3MI) is the causative agent in the development of acute bovine pulmonary edema. Microscopic studies revealed a structural disruption in the lamellar bodies of type II cells, indicating an abnormal metabolism of phospholipid in the lung of 3MI treated animals. In the present study,

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