Document Detail


Effects of simvastatin on the number and composition of apoproteinB-containing lipoproteins in hypercholesterolemia: analysis of apoproteinB in each lipoprotein fraction by highly sensitive latex method.
MedLine Citation:
PMID:  8980885     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We investigated the effects of simvastatin on the number and composition of apoproteinB (apoB)-containing lipoproteins in thirteen patients with hypercholesterolemia type IIa or IIb by measuring apoB by a highly sensitive latex method. Patients received simvastatin 5-10 mg (7.7 +/- 0.7 mg, mean +/- SEM) daily for 83-218 days (131 +/- 13 days). In both types of patients, treatment with simvastatin significantly reduced plasma cholesterol levels (mean +/- SEM mg/dl: in type IIa from 234.4 +/- 5.4 to 171.4 +/- 7.8, in type IIb from 242.4 +/- 11.6 to 178.8 +/- 9.6), low density lipoprotein (LDL) cholesterol levels (from 122.6 +/- 5.2 to 68.5 +/- 4.6, and from 115.6 +/- 14.0 to 70.4 +/- 11.6 in the two types, respectively) and LDL apoB levels (from 94.5 +/- 6.6 to 60.6 +/- 7.0, and from 85.0 +/- 8.4 to 56.6 +/- 6.2, respectively). There was no significant change in cholesterol, triglyceride (TG) or apoB in very low density lipoprotein (VLDL). High density lipoprotein (HDL) cholesterol did not change in this study. With respect to lipoprotein composition, the ratio of either cholesterol or TG to apoB in VLDL, intermediate density lipoprotein (IDL) and LDL did not change significantly, but that of TG to apoB in the IDL fraction increased in type IIa. Simvastatin promotes more effective reduction in cholesterol and apoB in LDL than in VLDL, probably by increasing the hepatic LDL receptor which preferentially binds LDL.
Authors:
K Ikeda Ryomoto; M Suzuki; M Tsushima; A Yamamoto; Y Harano
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Endocrine journal     Volume:  43     ISSN:  0918-8959     ISO Abbreviation:  Endocr. J.     Publication Date:  1996 Oct 
Date Detail:
Created Date:  1997-04-01     Completed Date:  1997-04-01     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9313485     Medline TA:  Endocr J     Country:  JAPAN    
Other Details:
Languages:  eng     Pagination:  469-75     Citation Subset:  IM    
Affiliation:
Department of Atherosclerosis, National Cardiovascular Center, Osaka, Japan.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Antilipemic Agents / pharmacology*,  therapeutic use
Apolipoproteins B / blood*,  drug effects
Cholesterol / blood
Female
Humans
Hydroxymethylglutaryl-CoA Reductase Inhibitors / pharmacology*,  therapeutic use
Hypercholesterolemia / blood*,  drug therapy
Latex Fixation Tests
Lipoproteins / blood,  chemistry*,  classification,  drug effects
Lovastatin / analogs & derivatives*,  pharmacology,  therapeutic use
Male
Middle Aged
Sensitivity and Specificity
Simvastatin
Triglycerides / blood
Ultracentrifugation
Chemical
Reg. No./Substance:
0/Antilipemic Agents; 0/Apolipoproteins B; 0/Hydroxymethylglutaryl-CoA Reductase Inhibitors; 0/Lipoproteins; 0/Triglycerides; 57-88-5/Cholesterol; 75330-75-5/Lovastatin; 79902-63-9/Simvastatin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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