TITLE

May Alcohol-Induced Increase of HDL Be Considered as Atheroprotective?

AUTHOR(S)
Králová Lesná, I.; Suchánek, P.; Stávek, P.; Poledne, R.
PUB. DATE
June 2010
SOURCE
Physiological Research;2010, Vol. 59 Issue 3, p407
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
It is well known that the consumption of moderate doses of alcohol leads to the increase of HDL-cholesterol (HDL-C). Atheroprotectivity of HDL particles is based primarily on their role in reverse cholesterol transport (RCT). In the study with a crossover design 13 male volunteers were studied in two different regimens: i) drinking of 36 g alcohol daily and ii) drinking only non-alcoholic beverages, to test whether alcohol-induced increase of HDL cholesterol can affect cholesterol efflux (CHE) from cell culture of labeled human macrophages. Alcohol consumption induced significant (p<0.05) increases of HDL cholesterol from 1.25±0.32 to 1.34±0.38 mmol/l and Apo A1 from 1.34±0.16 to 1.44±0.19 g/l. These changes were combined with a slight increase of cholesterol efflux from 13.8±2.15 to 14.9±1.85 % (p=0.059). There were significant correlations between individual changes of HDL-C and Apo A1 concentrations and individual changes of CHE (0.51 and 0.60, respectively). In conclusion, moderate alcohol consumption changes the capacity of plasma to induce CHE only at a border line significance.
ACCESSION #
52596724

 

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