Inhibition of dehydration-induced fusion between liposomal membranes by carbohydrates as measured by fluorescence energy transfer
| Autor: | Christopher Z. Womersley, John H. Crowe, Alan S. Rudolph, Paul S. Uster |
|---|---|
| Rok vydání: | 1986 |
| Předmět: |
Liposome
Phosphatidylethanolamines Vesicle Phospholipid Fluorescence spectrometry Lipid bilayer fusion Biological membrane General Medicine Maltose Models Biological Trehalose General Biochemistry Genetics and Molecular Biology Microscopy Electron chemistry.chemical_compound Freeze Drying Spectrometry Fluorescence Energy Transfer chemistry Biochemistry Liposomes General Agricultural and Biological Sciences Fluorescent Dyes |
| Zdroj: | Cryobiology. 23:245-255 |
| ISSN: | 0011-2240 |
| DOI: | 10.1016/0011-2240(86)90050-7 |
| Popis: | The relative abilities of a number of naturally occurring carbohydrates to inhibit dehydration-induced fusion between palmitoyloleoylphosphatidylcholine:phosphatidylserine (85:15) large unilamellar vesicles have been studied. Fusion events were quantified using a fluorescence resonance energy transfer technique. Trehalose was most effective at inhibiting fusion (0.4 g/trehalose/g lipid showed 30% probe intermixing), followed by maltose (60% intermixing), fructose (60%), sucrose (70%), glucose (80%), cellobiose, glycerol, raffinose, and myo-inositol (90%). The relative abilities of these carbohydrates to inhibit fusion correlate directly with their abilities to interact with phospholipids, maintain bilayer fluidity, and preserve biological membranes. The results are discussed in relation to the crystalline structure of the carbohydrates and their possible influence on level of interaction with phosphate head groups. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|