Effect of moderate wine consumption on the activity of enzymes involved in platelet-activating factor metabolism and thrombotic biomarkers: a randomised, single-blind, parallel, clinical study in CHD men patients.
Elizabeth Fragopoulou, Chrysa Argyrou, Eleni Matalliotaki, Christos Pafilas, Maria Detopoulou, Smaragdi Antonopoulou, Genovefa Kolovou, Petros Kalogeropoulos
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引用次数: 0
Abstract
A randomised parallel intervention study was conducted with male patients diagnosed with CHD. Participants were assigned to three groups: Group A abstained from alcohol (n 20), Group B consumed red wine (n 21) and Group C (n 16) consumed an alcoholic beverage without wine micro-constituents. Biological samples were collected at baseline, 4 and 8 weeks. Enzyme activities of acetyl-CoA:lyso-platelet-activating factor (PAF) acetyltransferase, cytidine 5'-diphospho (CDP)-choline:1-alkyl-2-acetyl-sn-glycerol cholinephosphotransferase (PAF-cholinephosphotransferase), PAF-acetylhydrolase in leukocyte homogenates, serum lipoprotein-associated phospholipase-A2 and plasma markers of thrombosis were measured. PAF-, ADP- and collagen-induced platelet aggregation was measured in human platelet-rich plasma. Red wine consumption led to a 15·3 % reduction in LysoPAF-acetyltransferase activity at 4 weeks (P= 0·008) compared with baseline and Group A (P= 0·01). PAF-cholinephosphotransferase activity was reduced by 11·1 % at 8 weeks (P= 0·04) compared with baseline and by 24·9 % compared with Group C (P= 0·02). PAF-acetylhydrolase activity was reduced by 36·2 % at 8 weeks compared with baseline (P= 0·001) and compared with Group A (P< 0·000) and Group C (P= 0·009). Fibrinogen levels in Group B reduced by 6-9 % at 4 (P= 0·04) and 8 weeks (P= 0·01) compared with baseline while D-dimer in Group C increased by 16·1 % at 8 weeks (P= 0·005) compared with baseline. Platelet aggregation against PAF and collagen was reduced in Group B (82·6 and 35·4 %, respectively), and in Group C (158·4 and 37·1 %, respectively) compared with baseline and Group A (P< 0·05). In conclusion, moderate wine consumption improved the activity of PAF-metabolism enzymes regardless of ethanol and reduced platelet aggregation, probably through mechanisms different from those of ethanol.
期刊介绍：
British Journal of Nutrition is a leading international peer-reviewed journal covering research on human and clinical nutrition, animal nutrition and basic science as applied to nutrition. The Journal recognises the multidisciplinary nature of nutritional science and includes material from all of the specialities involved in nutrition research, including molecular and cell biology and nutritional genomics.
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