Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1995-12-12
pubmed:abstractText
The changes in low density lipoprotein (LDL) composition and immunoreactivity occurring after LDL-apheresis on dextran sulfate-cellulose columns (DSC) were investigated in 4 hypercholesterolemic patients. After apheretic treatment, serum levels of total cholesterol, triglycerides and apolipoprotein B (apo B) were decreased by 63, 80 and 65%, respectively, whereas the high density lipoprotein (HDL)-cholesterol remained unchanged. At the end of apheresis, LDL contained less triglycerides, more phospholipids and apo E and the ratio of LDL core lipid components, cholesteryl esters and triglycerides, to LDL surface lipid components, unesterified cholesterol and phospholipids was significantly lower. The post-apheretic LDL were characterized by the presence of subfractions slightly larger than those observed in the pre-apheretic LDL. The modifications of the composition and size of LDL after apheresis were accompanied by a relative increase in the immunoreactivity of 4G3 epitope, an apo B epitope located near the LDL-receptor binding site, with no change in the affinity of 1D1, an apo B epitope located in the amino-terminal region of the molecule. The changes in LDL composition, size and immunoreactivity following apheresis, suggest that postapheresis LDL could contain newly synthesized LDL, different from mature LDL. Thus, LDL-apheresis treatment could provide the opportunity to study the structural change of LDL during intravascular metabolism.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
T
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0955-3886
pubmed:author
pubmed:issnType
Print
pubmed:volume
15
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
289-97
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1994
pubmed:articleTitle
Composition and immunoreactivity of serum low density lipoproteins (LDL) before and after LDL-apheresis on dextran sulfate-cellulose columns.
pubmed:affiliation
Laboratoire de Biochimie des Lipoprotéines, Faculté de Médecine, Dijon, France.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't