Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
Zechner, R; Kostner, GM; Dieplinger, H; Degovics, G; Laggner, P.
In vitro modification of the chemical composition of human plasma low density lipoproteins: effects of morphology and thermal properties.
Chem Phys Lipids. 1984; 36(2):111-119
Doi: 10.1016/0009-3084(84)90064-1
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- Co-Autor*innen der Med Uni Graz
- Kostner Gerhard
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- Abstract:
- The effects of enzymatic action on human low density lipoproteins (LDL) occurring during in vitro incubation of plasma have been studied by chemical analysis, analytical ultracentrifugation, negative stain electron microscopy and X-ray small angle scattering. Chemically, the action of cholesteryl ester exchange and transfer proteins(s) (CEPT) leads to a relative increase in trigylcerides at the expense of cholesteryl esters. Morphologically, the particles maintain their characteristic features detectable by X-ray small angel scattering. Additional action of lecithin/cholesterol acyl transferase (LCAT) causes mainly a decrease in polar lipid contents and a reduction in particle size. The associated changes in the thermotropic transition were found to be strongly correlated to the triglyceride/cholesteryl ester ratio.
- Find related publications in this database (using NLM MeSH Indexing)
- Carrier Proteins - metabolism
- Cholesterol Ester Transfer Proteins - metabolism
- Glycoproteins - metabolism
- Humans - metabolism
- Lipoproteins, LDL - blood
- Microscopy, Electron - blood
- Phosphatidylcholine-Sterol O-Acyltransferase - metabolism
- Scattering, Radiation - metabolism
- Triglycerides - blood
- Ultracentrifugation - blood