Volume 16 Issue 4
Dec.  2003
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DUO LI, RAYMUNDO HABITO, GEORGE ANGELOS, ANDREW J.SINCLAIR, MADELEINE J.BALL. Diet Rich in Saturated Fat Decreases the Ratio of Thromboxane/prostacyclin in Healthy Men[J]. Biomedical and Environmental Sciences, 2003, 16(4): 333-339.
Citation: DUO LI, RAYMUNDO HABITO, GEORGE ANGELOS, ANDREW J.SINCLAIR, MADELEINE J.BALL. Diet Rich in Saturated Fat Decreases the Ratio of Thromboxane/prostacyclin in Healthy Men[J]. Biomedical and Environmental Sciences, 2003, 16(4): 333-339.

Diet Rich in Saturated Fat Decreases the Ratio of Thromboxane/prostacyclin in Healthy Men

Funds:  Department of Veterans Affairs, Australia
  • Objective To investigate the effect of dietary saturated fat (SFA) from animal sources on the urine excretion 11-dehydro thromboxane B2 (TXB2) and 6-keto prostaglandin F 1α (PGF 1α) in 27 healthy free-living male subjects aged 30 to 55 years. Methods It was a randomized crossover design. Each volunteer was randomly assigned to one of the two diets (high fat and low fat) for a period of 4 weeks, after which each subject resumed his usual diet for 2 weeks as a ‘wash-out period',before being assigned to the other diet for an additional 4 weeks. Results Serum proportion of 20:4n-6 was 5% lower in the high fat (6.2% of total fatty acid) than in the low fat diet (6.5% of total fatty acid), which was associated with a significantly decreased ratio of the urinary excretion 11-dehydro TXB2 to 6-keto PGF 1α (P<0.05). However, there was no significant fall in the absolute urinary excretion of 11-dehydro TXB2. Conclusions Diet rich in SFA from animal sources may influence TXA2 formation via effect on tissue proportion of 20:4n-6.
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Diet Rich in Saturated Fat Decreases the Ratio of Thromboxane/prostacyclin in Healthy Men

Funds:  Department of Veterans Affairs, Australia

Abstract: Objective To investigate the effect of dietary saturated fat (SFA) from animal sources on the urine excretion 11-dehydro thromboxane B2 (TXB2) and 6-keto prostaglandin F 1α (PGF 1α) in 27 healthy free-living male subjects aged 30 to 55 years. Methods It was a randomized crossover design. Each volunteer was randomly assigned to one of the two diets (high fat and low fat) for a period of 4 weeks, after which each subject resumed his usual diet for 2 weeks as a ‘wash-out period',before being assigned to the other diet for an additional 4 weeks. Results Serum proportion of 20:4n-6 was 5% lower in the high fat (6.2% of total fatty acid) than in the low fat diet (6.5% of total fatty acid), which was associated with a significantly decreased ratio of the urinary excretion 11-dehydro TXB2 to 6-keto PGF 1α (P<0.05). However, there was no significant fall in the absolute urinary excretion of 11-dehydro TXB2. Conclusions Diet rich in SFA from animal sources may influence TXA2 formation via effect on tissue proportion of 20:4n-6.

DUO LI, RAYMUNDO HABITO, GEORGE ANGELOS, ANDREW J.SINCLAIR, MADELEINE J.BALL. Diet Rich in Saturated Fat Decreases the Ratio of Thromboxane/prostacyclin in Healthy Men[J]. Biomedical and Environmental Sciences, 2003, 16(4): 333-339.
Citation: DUO LI, RAYMUNDO HABITO, GEORGE ANGELOS, ANDREW J.SINCLAIR, MADELEINE J.BALL. Diet Rich in Saturated Fat Decreases the Ratio of Thromboxane/prostacyclin in Healthy Men[J]. Biomedical and Environmental Sciences, 2003, 16(4): 333-339.

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