Document Detail


Acute and delayed effects of prolonged exercise on serum lipoproteins. II. Concentration and composition of low-density lipoprotein subfractions and very low-density lipoproteins.
MedLine Citation:
PMID:  8354253     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To investigate the effects of a single period of prolonged exercise on lipoprotein concentration and composition, 13 healthy endurance-trained men were examined before and after (1 h, 20 h) a cross-country run [30 km, time: 130 (SD 7.4) min]. The data show that following acute exercise, serum triglyceride (TG) concentration were reduced (36%) as a consequence of a reduced number (31%) of very low density lipoprotein (VLDL) particles. Changes in composition of VLDL were present but less evident. In contrast to this, acute exercise did not induce significant changes in the average concentration of individual low-density lipoprotein (LDL) subfractions. However, changes in dense LDL [density (d) > 1.044 g.ml-1] concentration were significantly correlated to changes in serum TG: a reduction of dense LDL occurred in subjects with large reductions in serum TG. In addition, LDL composition changed significantly. Immediately (1 h) after exercise the TG content of all LDL subfractions was reduced. These reductions were significant in large (d = 1.006-1.037 g.ml-1) and small LDL (1.044-1.063 g.ml-1). It can be concluded therefore from our study that acute exercise primarily altered the composition of LDL subfractions while their concentration remained stable.
Authors:
M W Baumstark; I Frey; A Berg
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European journal of applied physiology and occupational physiology     Volume:  66     ISSN:  0301-5548     ISO Abbreviation:  Eur J Appl Physiol Occup Physiol     Publication Date:  1993  
Date Detail:
Created Date:  1993-09-23     Completed Date:  1993-09-23     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0410266     Medline TA:  Eur J Appl Physiol Occup Physiol     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  526-30     Citation Subset:  IM    
Affiliation:
Department of Physical Performance Medicine, University of Freiburg, Germany.
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MeSH Terms
Descriptor/Qualifier:
Adult
Apolipoproteins / blood
Exercise / physiology*
Humans
Kinetics
Lipids / blood
Lipoproteins / blood*
Lipoproteins, LDL / blood,  classification
Lipoproteins, VLDL / blood
Male
Physical Education and Training
Physical Endurance / physiology
Triglycerides / blood
Chemical
Reg. No./Substance:
0/Apolipoproteins; 0/Lipids; 0/Lipoproteins; 0/Lipoproteins, LDL; 0/Lipoproteins, VLDL; 0/Triglycerides

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