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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1985-7-24
pubmed:abstractText
Lipoprotein metabolism was studied in eleven patients with Type III hyperlipoproteinaemia, one with normolipidaemic dysbetalipoproteinaemia and eight controls. Apolipoprotein B kinetics in very low density, intermediate density and low density lipoproteins (VLDL, IDL and LDL) was investigated. Fractional catabolic rates (FCRs) of VLDL-apo B and IDL-apo B were lower (P less than 0.005 and P less than 0.001) in the patients: 0.064 +/- 0.018 and 0.059 +/- 0.006 h-1 respectively, (mean +/- SEM), compared with 0.219 +/- 0.035 and 0.243 +/- 0.028 h-1. Synthetic rates (SRs) of IDL-apo B varied widely from 1.5 mg kg-1 day-1 in the subject with normolipidaemic dysbetalipoproteinaemia to 2.8-25.2 mg kg-1 day-1 in Type III. The mean time for conversion of IDL-apo B to LDL-apo B was prolonged, 18.7 h compared with 3.8 h in the controls (P less than 0.001). LDL-apo B pool size and SR were lower in the patients (P less than 0.05 for both). Two patients treated with gemfibrozil showed reduced hyperlipidaemia and decreased SR of VLDL-apo B and IDL-apo B. Dysbetalipoproteinaemia is associated with pronounced impairment of IDL and VLDL-remnant catabolism, lipoprotein levels reflecting an interaction between this defect and SR of these lipoproteins.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
0014-2972
pubmed:author
pubmed:issnType
Print
pubmed:volume
15
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
100-12
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1985
pubmed:articleTitle
Plasma apolipoprotein B metabolism in familial type III dysbetalipoproteinaemia.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't