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RSS FeedsLamellar Phases Composed of Phospholipid, Cholesterol and Ceramide, as Studied by 2H NMR (Biophysical Journal)

 
 

19 june 2019 12:00:58

 
Lamellar Phases Composed of Phospholipid, Cholesterol and Ceramide, as Studied by 2H NMR (Biophysical Journal)
 


Sphingolipids constitute a significant fraction of cellular plasma membrane lipid content. Among sphingolipids, ceramide levels are usually very low. However, in some cell processes like apoptosis, cell membrane ceramide levels increase markedly due to activation of enzymes like acid sphingomyelinase. This increase can change the physical state of the membrane by promoting molecular order and inducing solid ordered (So) phase domains. This effect has been observed in a previous 2H NMR study on membranes consisting of palmitoyl sphingomyelin (PSM) and palmitoyl ceramide (PCer).


 
75 viewsCategory: Biophysics
 
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