Document Detail


Lipoprotein(a) stimulates the proliferation of cultured human arterial smooth muscle cells through two pathways.
MedLine Citation:
PMID:  8549783     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We investigated the effect of lipoprotein(a) (Lp(a)) on proliferation of human arterial smooth muscle cells (SMCs) and its mechanisms of action. Low density lipoprotein (LDL), Lp(a) and apolipoprotein(a) (apo(a)) significantly stimulated the proliferation of SMCs. Lp(a) and apo(a) reduced the amount of active transforming growth factor-beta (TGF-beta) with the mink lung epithelial cell bioassay, however LDL had no effect. Lp(a), but not apo(a), significantly stimulated the proliferation of SMCs even in the presence of a neutralizing antibody for TGF-beta. Our results suggest that Lp(a) stimulates the proliferation of SMCs via apo(a)-induced inhibition of TGF-beta activation and stimulation of SMCs by the LDL-particle of Lp(a).
Authors:
M Miyata; S Biro; H Kaieda; H Tanaka
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  FEBS letters     Volume:  377     ISSN:  0014-5793     ISO Abbreviation:  FEBS Lett.     Publication Date:  1995 Dec 
Date Detail:
Created Date:  1996-02-21     Completed Date:  1996-02-21     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0155157     Medline TA:  FEBS Lett     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  493-6     Citation Subset:  IM    
Affiliation:
First Department of Internal Medicine, Faculty of Medicine, Kagoshima University, Japan.
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MeSH Terms
Descriptor/Qualifier:
Apolipoproteins A / pharmacology
Arteries / cytology*
Cell Division
Cells, Cultured
Dose-Response Relationship, Drug
Humans
Lipoprotein(a) / pharmacology*
Lipoproteins, LDL / pharmacology
Muscle Development
Muscle, Smooth, Vascular / drug effects*,  growth & development
Transforming Growth Factor beta / metabolism*
Chemical
Reg. No./Substance:
0/Apolipoproteins A; 0/Lipoprotein(a); 0/Lipoproteins, LDL; 0/Transforming Growth Factor beta

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


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