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Dietary Supplementation with Highly Purified Eicosapentaenoic Acid and Docosahexaenoic Acid Does Not Influence PAI-1 Activity

Impaired fibrinolysis due to elevated levels of plasminogen activator inhibitor type 1 (PAI-1) is a risk factor for atherothrombotic disease. Many studies have reported a positive correlation between serum triglycerides and PAI-1 activity. Dietary intervention with very long n-3 fatty acids from mar...

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Published in:Thrombosis research 2000-04, Vol.98 (2), p.123-132
Main Authors: Hansen, John-Bjarne, Grimsgaard, Sameline, Nordøy, Arne, Bønaa, Kaare H.
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description Impaired fibrinolysis due to elevated levels of plasminogen activator inhibitor type 1 (PAI-1) is a risk factor for atherothrombotic disease. Many studies have reported a positive correlation between serum triglycerides and PAI-1 activity. Dietary intervention with very long n-3 fatty acids from marine sources is known to decrease serum triglycerides, but an adverse increase in PAI-1 activity has been reported in some studies. A double blind, placebo controlled study was conducted among 224 middle-aged (ages 36–56), healthy, non-smoking men in which the participants were randomly assigned to daily supplementation with 3.8 g eicosapentaenoic acid/d, 3.6 g docosahexaenoic acid/d, or 4.0 g corn oil/d (placebo) for 7 weeks. PAI-1 activity increased by 2.35±6.24 U/ml (28%), 1.15±6.74 U/ml (14%), and 1.33±5.64 U/ml (22%) during dietary supplementation with eicosapentaenoic acid, docosahexaenoic acid, and corn oil, respectively, but the changes were not significantly different between groups p=0.43 . There was no relationship between change in concentrations of serum triglycerides or phospholipid n-3 fatty acids and change in PAI-1 activity. At baseline, analysis was performed to investigate the influence of dietary lipids, blood lipids, and serum fatty acids on plasma concentrations of PAI-1 activity. Dietary intake of saturated fat correlated directly with PAI-1 both in crude analysis r=0,14, p
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Many studies have reported a positive correlation between serum triglycerides and PAI-1 activity. Dietary intervention with very long n-3 fatty acids from marine sources is known to decrease serum triglycerides, but an adverse increase in PAI-1 activity has been reported in some studies. A double blind, placebo controlled study was conducted among 224 middle-aged (ages 36–56), healthy, non-smoking men in which the participants were randomly assigned to daily supplementation with 3.8 g eicosapentaenoic acid/d, 3.6 g docosahexaenoic acid/d, or 4.0 g corn oil/d (placebo) for 7 weeks. PAI-1 activity increased by 2.35±6.24 U/ml (28%), 1.15±6.74 U/ml (14%), and 1.33±5.64 U/ml (22%) during dietary supplementation with eicosapentaenoic acid, docosahexaenoic acid, and corn oil, respectively, but the changes were not significantly different between groups p=0.43 . There was no relationship between change in concentrations of serum triglycerides or phospholipid n-3 fatty acids and change in PAI-1 activity. At baseline, analysis was performed to investigate the influence of dietary lipids, blood lipids, and serum fatty acids on plasma concentrations of PAI-1 activity. Dietary intake of saturated fat correlated directly with PAI-1 both in crude analysis r=0,14, p<0.05 and after adjustment for age and body mass index (kg/m 2) r=0.20, p<0.01 . Furthermore, PAI-1 was associated with body mass index r=0.32, p<0.001 , apo-B100 r=0.27, p<0.001 , serum triglycerides r=0.31, p<0.001 , and the concentration of n-6 polyunsaturated fatty acids r=0.22, p<0.01 in serum. In a multiple regression analysis, 21% of the variation in PAI-1 activity could be explained by these variables. Plasma PAI-1 activity did not correlate with dietary intake or serum concentrations of n-3 polyunsaturated fatty acids. In a review of 17 trials, including 935 subjects that assessed the effect of n-3 fatty acids on PAI-1 activity, an overall 17.7% increase in PAI-1 activity was estimated by n-3 supplementation. However, only two studies were able to demonstrate a significant increase in PAI-1 attributable to n-3 fatty acid supplementation. 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Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. 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Many studies have reported a positive correlation between serum triglycerides and PAI-1 activity. Dietary intervention with very long n-3 fatty acids from marine sources is known to decrease serum triglycerides, but an adverse increase in PAI-1 activity has been reported in some studies. A double blind, placebo controlled study was conducted among 224 middle-aged (ages 36–56), healthy, non-smoking men in which the participants were randomly assigned to daily supplementation with 3.8 g eicosapentaenoic acid/d, 3.6 g docosahexaenoic acid/d, or 4.0 g corn oil/d (placebo) for 7 weeks. PAI-1 activity increased by 2.35±6.24 U/ml (28%), 1.15±6.74 U/ml (14%), and 1.33±5.64 U/ml (22%) during dietary supplementation with eicosapentaenoic acid, docosahexaenoic acid, and corn oil, respectively, but the changes were not significantly different between groups p=0.43 . There was no relationship between change in concentrations of serum triglycerides or phospholipid n-3 fatty acids and change in PAI-1 activity. At baseline, analysis was performed to investigate the influence of dietary lipids, blood lipids, and serum fatty acids on plasma concentrations of PAI-1 activity. Dietary intake of saturated fat correlated directly with PAI-1 both in crude analysis r=0,14, p<0.05 and after adjustment for age and body mass index (kg/m 2) r=0.20, p<0.01 . Furthermore, PAI-1 was associated with body mass index r=0.32, p<0.001 , apo-B100 r=0.27, p<0.001 , serum triglycerides r=0.31, p<0.001 , and the concentration of n-6 polyunsaturated fatty acids r=0.22, p<0.01 in serum. In a multiple regression analysis, 21% of the variation in PAI-1 activity could be explained by these variables. Plasma PAI-1 activity did not correlate with dietary intake or serum concentrations of n-3 polyunsaturated fatty acids. In a review of 17 trials, including 935 subjects that assessed the effect of n-3 fatty acids on PAI-1 activity, an overall 17.7% increase in PAI-1 activity was estimated by n-3 supplementation. However, only two studies were able to demonstrate a significant increase in PAI-1 attributable to n-3 fatty acid supplementation. We conclude that there is no strong evidence for an unfavourable, clinically relevant effect of n-3 fatty acids on PAI-1 activity in plasma.]]></description><subject>Adult</subject><subject>Arteriosclerosis - blood</subject><subject>Arteriosclerosis - etiology</subject><subject>Arteriosclerosis - prevention &amp; control</subject><subject>Biological and medical sciences</subject><subject>Dietary Fats, Unsaturated - administration &amp; dosage</subject><subject>Dietary Fats, Unsaturated - adverse effects</subject><subject>Diseases of the cardiovascular system</subject><subject>Docosahexaenoic acid</subject><subject>Docosahexaenoic Acids - administration &amp; dosage</subject><subject>Docosahexaenoic Acids - adverse effects</subject><subject>Double-Blind Method</subject><subject>Eicosapentaenoic acid</subject><subject>Eicosapentaenoic Acid - administration &amp; dosage</subject><subject>Eicosapentaenoic Acid - adverse effects</subject><subject>Female</subject><subject>Fibrinolysis</subject><subject>Humans</subject><subject>Lipids - blood</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>n-3 fatty acids</subject><subject>PAI-1 activity</subject><subject>Plasminogen Activator Inhibitor 1 - blood</subject><subject>Radiotherapy. 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Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)</topic><topic>Serum lipids</topic><topic>Thrombosis - blood</topic><topic>Thrombosis - etiology</topic><topic>Thrombosis - prevention &amp; control</topic><topic>Triglycerides - blood</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hansen, John-Bjarne</creatorcontrib><creatorcontrib>Grimsgaard, Sameline</creatorcontrib><creatorcontrib>Nordøy, Arne</creatorcontrib><creatorcontrib>Bønaa, Kaare H.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Thrombosis research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hansen, John-Bjarne</au><au>Grimsgaard, Sameline</au><au>Nordøy, Arne</au><au>Bønaa, Kaare H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dietary Supplementation with Highly Purified Eicosapentaenoic Acid and Docosahexaenoic Acid Does Not Influence PAI-1 Activity</atitle><jtitle>Thrombosis research</jtitle><addtitle>Thromb Res</addtitle><date>2000-04-15</date><risdate>2000</risdate><volume>98</volume><issue>2</issue><spage>123</spage><epage>132</epage><pages>123-132</pages><issn>0049-3848</issn><eissn>1879-2472</eissn><coden>THBRAA</coden><abstract><![CDATA[Impaired fibrinolysis due to elevated levels of plasminogen activator inhibitor type 1 (PAI-1) is a risk factor for atherothrombotic disease. Many studies have reported a positive correlation between serum triglycerides and PAI-1 activity. Dietary intervention with very long n-3 fatty acids from marine sources is known to decrease serum triglycerides, but an adverse increase in PAI-1 activity has been reported in some studies. A double blind, placebo controlled study was conducted among 224 middle-aged (ages 36–56), healthy, non-smoking men in which the participants were randomly assigned to daily supplementation with 3.8 g eicosapentaenoic acid/d, 3.6 g docosahexaenoic acid/d, or 4.0 g corn oil/d (placebo) for 7 weeks. PAI-1 activity increased by 2.35±6.24 U/ml (28%), 1.15±6.74 U/ml (14%), and 1.33±5.64 U/ml (22%) during dietary supplementation with eicosapentaenoic acid, docosahexaenoic acid, and corn oil, respectively, but the changes were not significantly different between groups p=0.43 . There was no relationship between change in concentrations of serum triglycerides or phospholipid n-3 fatty acids and change in PAI-1 activity. At baseline, analysis was performed to investigate the influence of dietary lipids, blood lipids, and serum fatty acids on plasma concentrations of PAI-1 activity. Dietary intake of saturated fat correlated directly with PAI-1 both in crude analysis r=0,14, p<0.05 and after adjustment for age and body mass index (kg/m 2) r=0.20, p<0.01 . Furthermore, PAI-1 was associated with body mass index r=0.32, p<0.001 , apo-B100 r=0.27, p<0.001 , serum triglycerides r=0.31, p<0.001 , and the concentration of n-6 polyunsaturated fatty acids r=0.22, p<0.01 in serum. In a multiple regression analysis, 21% of the variation in PAI-1 activity could be explained by these variables. Plasma PAI-1 activity did not correlate with dietary intake or serum concentrations of n-3 polyunsaturated fatty acids. In a review of 17 trials, including 935 subjects that assessed the effect of n-3 fatty acids on PAI-1 activity, an overall 17.7% increase in PAI-1 activity was estimated by n-3 supplementation. However, only two studies were able to demonstrate a significant increase in PAI-1 attributable to n-3 fatty acid supplementation. We conclude that there is no strong evidence for an unfavourable, clinically relevant effect of n-3 fatty acids on PAI-1 activity in plasma.]]></abstract><cop>New York, NY</cop><pub>Elsevier Ltd</pub><pmid>10713313</pmid><doi>10.1016/S0049-3848(99)00223-6</doi><tpages>10</tpages></addata></record>
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subjects Adult
Arteriosclerosis - blood
Arteriosclerosis - etiology
Arteriosclerosis - prevention & control
Biological and medical sciences
Dietary Fats, Unsaturated - administration & dosage
Dietary Fats, Unsaturated - adverse effects
Diseases of the cardiovascular system
Docosahexaenoic acid
Docosahexaenoic Acids - administration & dosage
Docosahexaenoic Acids - adverse effects
Double-Blind Method
Eicosapentaenoic acid
Eicosapentaenoic Acid - administration & dosage
Eicosapentaenoic Acid - adverse effects
Female
Fibrinolysis
Humans
Lipids - blood
Male
Medical sciences
Middle Aged
n-3 fatty acids
PAI-1 activity
Plasminogen Activator Inhibitor 1 - blood
Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)
Serum lipids
Thrombosis - blood
Thrombosis - etiology
Thrombosis - prevention & control
Triglycerides - blood
title Dietary Supplementation with Highly Purified Eicosapentaenoic Acid and Docosahexaenoic Acid Does Not Influence PAI-1 Activity
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