Ceramides of pig epidermis: structure determination
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چکیده
منابع مشابه
Acylglucosylceramides of pig epidermis: structure determination.
The acylglucosylceramides of pig epidermis comprise 56% of the total glucosylceramides and 3.3% of the total epidermal lipid by weight. Contrary to an earlier report on this lipid, the amide-linked fatty acid is not a dihydroxypentatriacontadienoic acid; rather, the fatty acids are a series of long chain omega-hydroxy acids consisting of 58% saturates, 35% monoenes, and 7% dienes, with predomin...
متن کاملGlucosylceramides of pig epidermis: structure determination.
Six series of glucosylceramides from pig epidermis have been identified, and their structures have been determined. The structural types identified are: 1, N-acylglucosylsphingosines (33%); 2, N-acylglucosylphytosphingosines (13%); 3, N-(omega-hydroxyacyl)-glucosylsphingosines (3%); 4, N-(alpha-hydroxyacyl)-glucosylphingosines (15%); 5, N-(alpha-hydroxyacyl)-glucosylsphingosines (16%); 6, N-(al...
متن کاملLinoleate-rich acylglucosylceramides of pig epidermis: structure determination by proton magnetic resonance.
The structure of the linoleate-rich acylglycosylceramides isolated from pig epidermis has been reinvestigated. Gas-liquid chromatographic analysis of the alditol acetates produced from the sugar component indicated that 90% of the hexose is glucose while the remaining 10% is galactose. The predominance of the beta-D-glucosyl group was confirmed by 360 MHz proton magnetic resonance spectroscopy....
متن کاملCeramides and Cell Signaling Molecules in Psoriatic Epidermis: Reduced Levels of Ceramides, PKC-α, and JNK
Ceramides are the main lipids in the stratum corneum and are generated during cellular stress and apoptosis by de novo synthesis or by the action of sphingomyelinase. In addition, they are lipid second messengers produced by sphingolipid metabolism and trigger important cell responses, including protein kinase C-alpha (PKC-alpha) activation and the stimulation of signal transduction pathways wi...
متن کاملIsolation and characterization of plasma-membrane glycoproteins from pig epidermis.
1. Non-desmosomal plasma membranes enriched in plasma-membrane marker enzymes and in metabolically labelled glycoproteins were isolated on a large scale from up to 500g of pig ear skin slices. Sodium dodecyl sulphate/polyacrylamide-gel electrophoresis and periodic acid/Schiff staining revealed the presence of four major glycosylated components in the apparent molecular-weight range 150000-80000...
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ژورنال
عنوان ژورنال: Journal of Lipid Research
سال: 1983
ISSN: 0022-2275
DOI: 10.1016/s0022-2275(20)37950-5