Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1984-2-15
pubmed:abstractText
The conditions for the separation of rat high density lipoproteins (HDL) in a single ultracentrifuge run are described. By this method six serum samples can be processed simultaneously. HDL is separated into two main fractions, one with apolipoprotein E and the other with apolipoprotein A-I as the major protein component. The apolipoprotein E-rich HDL contains a relatively high amount of phospholipid and unesterified cholesterol and therefore resembles HDL-1 or apolipoprotein E HDL as isolated by other methods. The other HDL fraction resembles HDL-2. The two HDL fractions appeared to be heterogeneous with respect to apolipoprotein composition. The HDL-1 consisted of particles with and without a low percentage of apolipoprotein A-I. The HDL-2 consisted of particles with a variable amount of apolipoprotein E and A-IV. During incubation of rat serum for 5 h at 37 degrees C in the presence of dithiobis(2-nitrobenzoic acid) (DTNB) a small shift of the HDL-2 peak to lower densities occurred. Incubation of the serum without DTNB led to a loss of cholesterol from the 'light' HDL-1 fractions and an increase in cholesterol ester in fractions at densities intermediate between those of HDL-1 and HDL-2 and in fractions at the densest part of the gradient.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
0006-3002
pubmed:author
pubmed:issnType
Print
pubmed:day
20
pubmed:volume
754
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
271-8
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1983
pubmed:articleTitle
Separation of rat plasma HDL subfractions by density gradient centrifugation and the effect of incubation on these fractions.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't